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This Interactive, annotated edition compliments of starpath.com
U.S. Chart No. 1 Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts
Prepared Jointly by
Department of Commerce National Oceanic and Atmospheric Administration Department of Defense National Geospatial-Intelligence Agency
1
New in Edition 12: ECDIS Symbols and Other ECDIS Information ECDIS
Symbology for displaying Electronic Navigational Charts (ENCs) on an Electronic Chart Display and Information System (ECDIS) has been added to U.S. Chart No. 1. See the Preface and Introduction sections for more details. In addition to the ECDIS symbols shown in the traditional lettered sections of U.S. Chart No. 1, there are now several special pages devoted exclusively to providing important details about ECDIS. These pages are distinguished by the ECDIS icon, as shown in the top left corner of this page. The ECDIS pages are also listed in the table of contents in italic type.
One major difference in the use of paper charts and ENCs is the ability of ECDIS to display the same feature differently depending on user settings and other conditions, such as a ship’s draft. An important example is that ECDIS displays wrecks, rocks and other obstructions with their traditional “paper chart” symbols if they are at or deeper than the depth of the safety contour set for the ship. Dangers that are shoaler are portrayed with the unique ECDIS “isolated danger” symbol shown at left. (See the ECDIS Portrayal of Depths page for more information about the ECDIS safety contour.)
Another advantage that ECDIS provides over paper charts is enabling users to obtain more information about a feature through a “cursor pick.” Some feature attribute values that can be obtained by cursor pick are noted throughout U.S. Chart No. 1. This is especially true if a particular value, such as height, vertical clearance or the like is included in the INT symbol description. The cursor pick icon, shown at left, is used to indicate when a reference to a cursor pick is made. 7KHUHDUHPDQ\RWKHUDWWULEXWHYDOXHVWKDWXVHUVPD\REWDLQWKURXJKDFXUVRUSLFNWKDWDUHQRWVSHFL¿FDOO\QRWHG7KHVHLQFOXGHEXWDUHQRW limited to, the purpose, seasonality, periodicity, status, color, height, type of structure and the visual or radar conspicuousness of features; shape, color or color pattern of buoys; characteristics of lights; category of obstructions and wrecks; radar wave length, radio frequency, communication channel and call signs; the presence of AIS transmitted signals; information regarding pilotage services and many more.
No man is an island and no single reference document stands on its own. U.S. Chart No. 1 is a handy guide for ECDIS users, but it is no substitute for mandated ECDIS training. The ECDIS user and developer communities are invited to help improve the presentation of ECDIS symbology and information in U.S. Chart No. 1. We want to know what you think works well, which parts are a little rocky, and what additional information you would like to have included in the next edition of U.S. Chart No. 1.
Please send any recommendations or corrections to:
[email protected] or National Ocean Service, NOAA (N/CS2) Attention: U.S. Chart No. 1 1315 East West Highway Silver Spring, MD 20912-3282
For an online interactive index to all ENC layer explanations see www.s-57.com
See online article on Naming and Boundary Conventions on ENC eCharts 2
SYMBOLS, ABBREVIATIONS AND TERMS Contents
Document Sections and ECDIS Pages
Symbol Sections
Preface
5
GENERAL
Introduction
5
A
Chart Number, Title, Marginal Notes
Schematic Layout
8
B
Positions, Distances, Directions, Compass
Day, Dusk and Night Color Palettes
9
Conspicuous and Non-Conspicuous Features
26
ECDIS Portrayal of Depths
45
Examples of Routing Measures in ECDIS
66
6LPSOL¿HGDQG7UDGLWLRQDO³3DSHU&KDUW´6\PEROV
86
Index of Abbreviations
106
Index
112
Appendix 1, IALA Maritime Buoyage System
124
TOPOGRAPHY C
Natural Features
D
Cultural Features
E
Landmarks
F
Ports
G
(Not currently used)
HYDROGRAPHY H
Tides, Currents
I
Depths
J
Nature of the Seabed
K
Rocks, Wrecks, Obstructions, Aquaculture
L
Offshore Installations
M
Tracks, Routes
N
Areas, Limits
O
(Not currently used)
NAVIGATION AIDS AND SERVICES P
Lights
Q
Buoys, Beacons
R
Fog Signals
S
Radar, Radio, Satellite Navigation Systems
T
Services
U
Small Craft (Leisure) Facilities
3
4
PREFACE
INTRODUCTION
Presentation of Two Symbology Sets
New Column Headers
This edition of U.S. Chart No. 1 has a new name and a new look. Its title is now SymEROV$EEUHYLDWLRQVDQG7HUPVXVHGRQ3DSHUDQG(OHFWURQLF1DYLJDWLRQDO&KDUWV. For WKH¿UVWWLPH86&KDUW1RSUHVHQWVERWKRIWKHPDMRUV\PERORJ\VHWVXVHGIRU marine navigation.
The orientation of this edition of U.S. Chart No. 1 has been rotated 90° into a landscape format to allow two additional columns to be added to the right side of the page. These columns hold the ECDIS symbols corresponding to the paper chart symbols shown on the left side.
As in previous editions, the symbols used on paper nautical charts produced by the National Oceanic and Atmospheric Administration (NOAA) and the National GeospatialIntelligence Agency (NGA) and digital raster representations of those charts, such as NOAA Raster Nautical Charts (NOAA RNCs®), are presented in lettered sections organized in categories, such as Landmarks, Depths, and Lights. New in this edition is the inclusion of the corresponding symbols used to portray Electronic Navigational Chart (ENC) data on Electronic Chart Display and Information Systems (ECDIS) as VSHFL¿HGE\WKH,QWHUQDWLRQDO+\GURJUDSKLF2UJDQL]DWLRQ ,+2
³,17 ´ V\PEROV DV VSHFL¿HG LQ WKH 5HJXODWLRQV RI WKH ,+2 IRU ,QWHUQDWLRQDO ,17 &KDUWV DQG &KDUW 6SHFL¿FDWLRQV RI WKH ,+2 appear in the second column from the left, after the symbol number. Any variations from INT 1 symbology that are used on charts produced by NOAA or NGA are shown in the NOAA, NGA and the “Other NGA” columns (columns 4a, 4b, and 5 respectively).
Other Non-ECDIS Digital Displays May Portray Data Differently 1DYLJDWLRQV\VWHPVFHUWL¿HGWRPHHWWKHH[DFWLQJSHUIRUPDQFHVWDQGDUGVHVWDEOLVKHG by the International Maritime Organization (IMO) are said to be ECDIS “type approved.” The symbology used to display ENCs or other non-ENC nautical navigational data on non-ECDIS systems, such as geographic information systems, recreational GPS and RWKHUFKDUWGLVSOD\V\VWHPVFDQGLIIHUVLJQL¿FDQWO\IURPWKHV\PERORJ\VSHFL¿HGIRU ECDIS type approved systems. U.S. Chart No. 1 RQO\VKRZVWKHV\PERORJ\XVHGRQ ECDIS.
ECDIS symbols and their descriptions are shown in columns 6 and 7 respectively. The ECDIS description usually provides the generic symbol name given in the IHO 6SHFL¿FDWLRQVIRU&KDUW&RQWHQWDQG'LVSOD\$VSHFWVRI(&',6 although sometimes other clarifying terms are also provided in column 7. The ECDIS symbols shown use the day color palette (see page 9). When columns 4a and 4b are combined, this indicates that NOAA and NGA both use the same non-INT 1 symbol for that particular feature. When any of columns 4a, 4b, or 5 are blank, then the INT 1 symbol has been adopted for use by the organization for which that column applies. The schematic layout following this introduction shows a typical symbol table page. It provides details about the table headers and the types of information presented in each of the columns. Sample Chart Layouts Section A presents two schematics showing typical layouts of the major elements of NOAA and NGA charts.
INFORMATION ON SELECTED CHART FEATURES Soundings The sounding datum reference is stated in the chart title. Soundings on NOAA and NGA charts may be shown in fathoms, feet, fathoms and feet, fathoms and fractions, or meters and decimeters. In all cases the unit of depth used is shown in the chart title and outside the border of the chart in bold type (see item b in Section A). For ECDIS, the sounding datum is part of the ENC metadata, which can be retrieved through a cursor inquiry. Heights Heights of lights, landmarks, structures, etc. refer to the shoreline plane of reference. The unit of height is shown in the chart title. When the elevations of islets or bare rocks are offset into the adjacent water, they are shown in parentheses. For ECDIS, the unit of height is meters. Drying Heights For rocks and banks that cover and uncover, elevations are underlined and are referenced to the sounding datum as stated in the chart title (or in the ENC metadata). When the heights of rocks that cover and uncover are offset into the adjacent water, they are shown in parentheses.
5
Shoreline
Light Range (Visibility)
Shoreline shown on charts represents the line of contact between the land and a VHOHFWHGZDWHUHOHYDWLRQ,QDUHDVDIIHFWHGE\WLGDOÀXFWXDWLRQWKLVOLQHRIFRQWDFWLV XVXDOO\WKHPHDQKLJKZDWHUOLQH,QFRQ¿QHGFRDVWDOZDWHUVRIGLPLQLVKHGWLGDOLQÀXence, a mean water level may be used. The shoreline of interior waters (rivers, lakes) LVXVXDOO\DOLQHUHSUHVHQWLQJDVSHFL¿HGHOHYDWLRQDERYHDVHOHFWHGGDWXP6KRUHOLQH is symbolized by a heavy line (symbol C 1). Apparent shoreline is used on charts to show the outer edge of marine vegetation where the limit would be expected to appear as the shoreline to the mariner or where it prevents the shoreline from being clearly GH¿QHG$SSDUHQWVKRUHOLQHLVV\PEROL]HGE\DOLJKWOLQH V\PEROV&&&S C q and C r).
A light’s range or visibility is given in nautical miles, except on the Great Lakes and adjacent waterways, where light ranges are given in statute miles. For lights having more than one color, NOAA charts give only the shortest range of all the colors. On NGA charts, multiple ranges may be shown using the following convention. For lights ZLWKWZRFRORUVWKH¿UVWQXPEHULQGLFDWHVWKHUDQJHRIWKH¿UVWFRORUDQGWKHVHFRQG number indicates the range of the second color. For example, Fl WG 12/8M means the range of the white light is 12 nautical miles and the range of green light is 8 nautical miles. For lights with three colors, only the longest and shortest ranges are given and the middle range is indicated by a dash. For example, Fl WRG 12-8M means that the range of the white light is 12 nautical miles, the range of green light is 8 nautical miles and the range of the red light is between 8 to 12 nautical miles. The dash can appear in any of the three positions.
Landmarks A structure or a conspicuous feature on a structure may be shown by a landmark symbol with a descriptive label (see Section E). Prominent buildings that could assist the mariner may be shown by actual shape as viewed from above (see Sections D and E). On NGA charts, landmark legends shown in capital letters indicate that a landmark is conspicuous; the landmark may also be labeled “CONSPICUOUS” or “CONSPIC.” On NOAA charts, all landmarks are considered to be conspicuous, and landmark legends shown in all capital letters indicate a landmark has been positioned accurately; legends using both upper and lower case letters indicate an approximate position. ECDIS portrays conspicuous features with black symbols and non-conspicuous features with brown symbols. Only the conspicuous version is shown in the lettered sections of U.S. Chart No. 1. See the ECDIS “Conspicuous and Non-Conspicuous Features” page in front of Section E for more information. IALA Buoyage System The International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) Maritime Buoyage System is followed by most of the world’s maritime nations; however, systems used in some foreign waters may be different. IALA buoyage is divided into two regions: Region A and Region B. All navigable waters of the United States follow IALA Region B rules, except U.S. possessions west of the International Date Line and south of 10° north latitude, which follow IALA Region A rules. The major difference between the two buoyage regions is the color of the lateral marks. Region A uses red to port and Region B uses red to starboard (red-rightreturning). The shapes of the lateral marks are the same in both regions, can to port and cone (nun) to starboard, when entering from seaward. Cardinal and other marks, such as those for isolated dangers, safe water and special marks are also the same in both regions. Section Q and Appendix 1 illustrate the IALA buoyage system for both Regions A and B. U.S. Lateral Marks Most of U.S. waters are in IALA Region B. In the U.S. system, on entering a channel from seaward, buoys and beacon dayboards on the starboard side are red with even numbers and have red lights, if lit. Buoys and beacon dayboards on the port side are green with odd numbers and have green lights, if lit. Preferred channel buoys have red and green horizontal bands with the top band color indicating the preferred side of passage. 6
Aids to Navigation Positioning 7KH¿[HGDQGÀRDWLQJDLGVWRQDYLJDWLRQGHSLFWHGRQFKDUWVKDYHYDU\LQJGHJUHHVRI reliability. Floating aids are moored to sinkers by varying lengths of chain and may shift due to sea conditions and other causes. Buoys may also be carried away, capsized or sunk. Lighted buoys may be extinguished and sound signals may not function, because of ice or other causes. Therefore, prudent mariners will not rely solely on any VLQJOHDLGWRQDYLJDWLRQSDUWLFXODUO\RQÀRDWLQJDLGVEXWZLOODOVRXVHEHDULQJVIURP ¿[HGREMHFWVDQGDLGVWRQDYLJDWLRQRQVKRUH Colors Color conveys the nature and importance of features found on nautical charts. Chart HOHPHQWVVLJQL¿FDQWWRPDULQHQDYLJDWLRQVXFKDVOLJKWVFRPSDVVURVHVDQGUHJXlated areas, are emphasized with magenta. Lateral marks on NOAA charts are shown ZLWKDUHGRUJUHHQ¿OO6KDGHVRIEOXHGHSLFWSRWHQWLDOKD]DUGVWRQDYLJDWLRQW\SLFDOO\ shallow water and submerged obstructions. Areas of deeper water believed to be clear of obstructions are shown as white. Land, and other features that are always dry, are depicted with buff on NOAA charts and gray on NGA charts. Foreshore and other intertidal features are portrayed with a green tint. Other colors may be used to provide additional information, such as protected areas, which are outlined in blue or green and mineral lease blocks, which are outlined in red. 7UDI¿F6HSDUDWLRQ6FKHPHV 7UDI¿FVHSDUDWLRQVFKHPHVVKRZUHFRPPHQGHGODQHVWRLQFUHDVHVDIHW\RIQDYLJDtion, particularly in areas of high density shipping. These schemes are described in the International Maritime Organization (IMO) publication, Ships Routeing.7UDI¿FVHSDUDtion schemes are generally shown on nautical charts at scales of 1:600,000 and larger. :KHQSRVVLEOHWUDI¿FVHSDUDWLRQVFKHPHVDUHSORWWHGWRVFDOHDQGVKRZQDVGHSLFWHG in Section M. Conversion Scales Depth conversion scales are provided on all charts to enable the user to work in meters, fathoms or feet. Correction Date The date of each new chart edition is shown below the lower left border of the chart. The date of the latest NGA issued U.S. Notice to Mariners applied to the chart is
shown after the edition date. NOAA charts also show the date of the latest U.S. Coast Guard Local Notice to Mariners applied to the chart.
ADDITIONAL RESOURCES Information on the use of nautical charts, aids to navigation, sounding datums and the practice of navigation in general is in 7KH$PHULFDQ3UDFWLFDO1DYLJDWRU(Bowditch), available through the “Publications” link on the NGA Maritime Safety Information portal at msi.nga.mil/NGAPortal/MSI.portal. Tide and current data over U.S. waters is available from the NOAA Center for Operational Oceanographic Products and Services at tidesandcurrents.noaa.gov. 'HWDLOHGLQIRUPDWLRQDERXWVSHFL¿FOLJKWVEXR\VDQGEHDFRQVDQGJHQHUDOLQIRUPDWLRQ about the U.S. Aids to Navigation System and the Uniform State Waterway Marking Systems is in the U.S. Coast Guard Light List, at navcen.uscg.gov/?pageName=lightLists. Information about aids to navigation in foreign waters is in the NGA List of Lights, available through the “Publications” link on the NGA Maritime Safety Information portal at msi.nga.mil/NGAPortal/MSI.portal. Other important information that cannot be shown conveniently on nautical charts can be found in the NOAA U.S. Coast Pilot®, at www.nauticalcharts.noaa.gov/staff/ chartspubs.html and NGA Sailing Directions, available through the “Publications” link on the NGA Maritime Safety Information portal at msi.nga.mil/NGAPortal/MSI.portal. U.S. Nautical Chart Catalogs and Indexes NGA catalogs are available through the “Product Catalog” link on the NGA Maritime Safety Information portal at msi.nga.mil/NGAPortal/MSI.portal. NOAA catalogs are available at www.nauticalcharts.noaa.gov/mcd/ccatalogs.htm. A list of the dates of the latest editions of NOAA charts is at www.nauticalcharts.noaa.gov/mcd/dole.htm.
CORRECTIONS AND COMMENTS Corrections to U.S. Chart No. 1 will appear in the weekly U.S. Notice to Mariners, available through the “Notice to Mariners” link on the NGA Maritime Safety Information portal at msi.nga.mil/NGAPortal/MSI.portal. Users may send corrections or comments to
[email protected] or by mail to: National Ocean Service, NOAA (N/CS2) Attention: U.S. Chart No. 1 1315 East West Highway Silver Spring, MD 20910-3282
7
Schematic Layout of U.S. Chart No. 1:
A
K
Rocks, Wrecks, Obstructions
B '
C
Rocks
E
3ODQHRI5HIHUHQFHIRU+HLJKWVĺ+3ODQHRI5HIHUHQFHIRU'HSWKVĺ+ No.
Supplementary national symbol: a INT
'HVFULSWLRQ
NOAA
NGA
(&',6
Other NGA
rock which covers and uncovers or is awash at low water Rock which covers and uncovers, height above chart datum
11
( 2)
(06) Uncov 1m ( 2)
underwater hazard which covers and uncovers with drying height
4
(06) Uncov 1m
isolated danger of depth less than the safety contour
1
2
3
4a
4b
5
6
7
A
Section designation
B
Section
C
Sub-section
D
Reference to “Supplementary national symbols” at the end of each section
E
Cross-reference to terms in other sections
1
&ROXPQ 1XPEHULQJV\VWHPIROORZLQJWKH³&KDUW6SHFL¿FDWLRQRIWKH,+2´$OHWWHULQWKLVFROXPQLQGLFDWHVDVXSSOHPHQWDU\QDWLRQDOV\PERORUDEEUHYLDWLRQIRUZKLFKWKHUHLVQRLQWHUQDWLRQDOHTXLYDOHQW
2
&ROXPQ 5HSUHVHQWDWLRQWKDWIROORZVWKH³&KDUW6SHFL¿FDWLRQVRIWKH,+2´ ,17V\PERO
3
Column 3: Description of symbol, term, or abbreviation
4a * 4b
*
Column 4a: Representation used on charts produced by the National Oceanic and Atmospheric Administration (NOAA) Column 4b: Representation used on charts produced by the National Geospatial-Intelligence Agency (NGA)
5
Column 5: Representation of symbols that may appear on NGA reproductions of foreign charts
6 **
Column 6: Representation used to portray ENC data on ECDIS
7 **
Column 7: Description of ECDIS symbols
*
When columns 4a and 4b are combined then NOAA and NGA both use the same symbol. When either column 4a or 4b is blank then the respective agency uses the INT 1 symbol shown in column 2.
**
:KHQFROXPQVDQGKDYHVHYHUDOURZVIRUWKHVDPHV\PEROQXPEHUWKHQ(&',6SRUWUD\VWKLVIHDWXUHGLIIHUHQWO\GHSHQGLQJRQWKHVKLS¶VGUDIWDQGRWKHUFRQGLWLRQVDVGH¿QHGLQ(&',6E\WKHPDULQHU DVLVWKH case for K 11). When columns 6 and 7 combine rows to span across several symbol numbers then ECDIS portrays all of the grouped symbol numbers the same way (see C 5–C 7).
†
6LJQL¿HVWKDWWKLVUHSUHVHQWDWLRQLVREVROHWHEXWLWPD\DSSHDURQROGHUFKDUWV 6LJQL¿HVWKDWDIHDWXUHDWWULEXWHYDOXHVXFKDVDKHLJKWGLVWDQFHRUQDPHPD\EHREWDLQHGWKURXJKDQ(&',6FXUVRUSLFNUHSRUW7KHUHDUHPDQ\DWWULEXWHYDOXHVWKDWPD\EHREWDLQHGLQWKLVPDQQHUEXWWKHFXUVRU SLFNLFRQLVRQO\XVHGWRQRWHYDOXHVWKDWDUHVSHFL¿FDOO\UHIHUUHGWRLQWKHGHVFULSWLRQRIV\PEROVFROXPQDQGWKDW(&',6GRHVQRWGLVSOD\QH[WWRWKHV\PERO+HLJKWRIWUHHVLQ&LVDQH[DPSOH
8
Day, Dusk and Night Color Palettes ECDIS
ECDIS allows the mariner to change the color palette that is used to display an ENC. Three different color tables have been designed to provide the maximum clarity and contrast between features on the display under three different lighting conditions on the bridge, namely Day, Dusk and Night. Each symbol is rendered in a different color appropriate for the lighting condition that the color table is meant for. This design provides maximum contrast for the display on a sunny day, as well as preserving night vision on a dimly lit bridge in the evening. This allows the mariner to look back and forth between the chart on the ECDIS display and out to sea through the bridge window without the mariner’s eyes needing to readjust to a difference in light intensity. DAY
7KH'D\&RORU7DEOHPHDQWWREHXVHGLQEULJKWVXQOLJKWXVHVDZKLWHEDFNground for deep water and looks the most like a traditional paper chart.
7KH 'XVN &RORU 7DEOH XVHV D EODFN EDFNJURXQG IRU GHHS ZDWHU DQG colors are subdued, but slightly brighter than those used in the Night Color Table.
7KH1LJKW&RORU7DEOHPHDQWWREHXVHGLQWKHGDUNHVWFRQGLWLRQVXVHVD black background for deep water and muted color shades for other features.
The images on the right show each of the three color palettes. DUSK The symbols shown in the remainder of this document use the day color palette.
NIGHT
9
A
Schematic Layout of a NOAA Chart (reduced in size)
Chart Number, Title, Marginal Notes
Note: this is an example only and not to be used for navigation
12 0DJQHWLF)HDWXUHVĺ% 7LGDO'DWDĺ+
13
Mercator Projection 6FDOH DW/DW ƍ North American Datum of 1983 (World Geodetic System 1984)
3
1
Chart number in national chart series
2
Chart number in international (INT) series (if any)
3
Reference ellipsoid of the chart
4
Publication note (imprint)
5
Copyright note
6
Date of current edition
7
Notice to Mariners corrections
8
Dimensions of inner borders
9
Corner coordinates
ƍƎN
ƍƎW
Unimak Pass
13
ƍƎ:
ƍƎ:
1:15000 Nautical Miles 0.1
0 0
500
14
1.0
Yards
500
1000
1500
Meters 500
0
500
1000
1500
ƍƎ1
ƍƎ1
Published at Washington, D.C. U.S. DEPARTMENT OF COMMERCE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION NATIONAL OCEAN SERVICE COAST SURVEY
4 10
10
Chart title
11
Explanatory notes on chart construction, etc. To be read before using chart.
12
Seal(s)
13
Scale of chart. Some charts have scale at a stated latitude.
14
Linear scale on large scale charts
A Linear border scale on large scale charts. On smaller scales use latitude borders for sea miles.
16
Cautionary notes (if any). Information on particular features, to be read before using chart.
17
Source Diagram (if any). Navigators should be cautious where surveys are inadequate.
18
Reference to a larger scale chart
19
Reference to an adjoining chart of similar scale
a
Conversion scales
b
Reference to the units used for depth measurement
c
Compass rose
d
Bar code and stock number
e
Glossary: Translation of words on chart that are not in English
f
,GHQWL¿FDWLRQRIDODWWLFHGFKDUW LIDQ\
g
Tidal and Tidal Stream information within the chart coverage
Chart Number, Title, Marginal Notes
15
11
B No.
Positions, Distances, Directions, Compass INT
Description
NOAA
NGA
Other NGA
ECDIS
Geographical Positions 1
Lat
2
Long
Latitude Longitude International Meridian (Greenwich)
3 4
°
Degree(s)
5
ƍ
Minute(s) of arc
6
Ǝ
Second(s) of arc Position approximate
7
3$
Position approximate (not accurately determined or does QRWUHPDLQ¿[HG
PA
(PA)
Point feature or area of low accuracy
Sounding of low accuracy
Point feature or area of low accuracy
8
PD
Position doubtful (reported in various positions)
PD
(PD) Sounding of low accuracy
12
9
N
North
10
E
East
11
S
South
12
W
West
13
NE
Northeast
14
SE
Southeast
15
NW
Northwest
16
SW
Southwest
Positions, Distances, Directions, Compass No.
INT
Description
NOAA
NGA
Other NGA
B
ECDIS
Control Points 20
22 23
Obs Spot
Observation spot
†
Position of an elevation or control point
Fixed point †
24
Benchmark
BM
Boundary mark
Bdy Mon
25.1
Distance along waterway, no visible marker
25.2
Distance along waterway with visible marker
St M 32
21
Triangulation point
7
Canal and distance point with no mark
7
Y Bn (46)
Canal and distance point
Note: ECDIS uses a magenta “km” symbol to represent distance marks. However, the distances shown along waterways on NOAA-produced ENCs are displayed in statute miles.
Symbolized Positions (Examples) 30
Symbols in plan: position is center of primary symbol
31
6\PEROVLQSUR¿OH SRVLWLRQLVDW bottom of symbol
32
Point symbols: accurate positions
MAST
Point symbol: approximate position
Mast
33
†
ECDIS follows the paper chart convention for the SRVLWLRQRIV\PEROVH[FHSWIRUVLPSOL¿HGV\PEROVIRU buoys and beacons (see Q 1).
ECDIS indicates approximate position only for wrecks, obstructions, islets and shoreline features.
Units
Supplementary national symbols: a–m
40
km
Kilometer(s)
41
m
Meter(s)
42
dm
Decimeter(s)
43
cm
Centimeter(s)
44
mm
Millimeter(s)
45
M
46
Position of a point feature
International nautical mile(s) (1852m), sea mile(s) Cable(s) (0.1M)
Mi
NMi
NM
cbl
13
B
Positions, Distances, Directions, Compass
No.
INT
47
ft
NOAA
NGA
Other NGA
ECDIS
Foot/Feet
48 49
Description
h
Fathom(s)
fm
Hour(s)
hr
50
m
min
Minute(s) of time
51
s
sec
Second(s) of time
52
kn
53
t
54
cd
Knot(s) Ton(s), Tonnage (weight) Candela(s)
Magnetic Compass
Supplementary national symbols: n
60
Variation
61
Magnetic
mag
62
Bearing
brg
63
True
64
Decreasing
65
Increasing
66
Annual change
67
Deviation
var
VAR
Varn
Magnetic variation
T
dev Cursor pick site for magnetic variation at a point
68.1
68.2
14
Note of magnetic variation, in position
Note of magnetic variation, out of position
Cursor pick site for magnetic variation over an area
Positions, Distances, Directions, Compass No.
B
ECDIS
NOAA / NGA Compass rose, normal pattern (smaller patterns of compass rose may be used) Magnetic variation (example): VAR 4°15’W (2011) means magnetic variation was 4°15’W in 2011 ANNUAL DECREASE 8’ means annual change is 8’E or decreasing 8’ annually For 2012 the magnetic variation is 4°7’W
340
0
350
10
20
30
330 0
32
40
0 30
0 31
50
330
300
60
MAGNE TIC
Cursor pick site for magnetic variation at a point
V
AR
4 15'W ( 2011 )
80
280
300
70
290
60
70
A L DE C R E A
SE
100
NU
8'
270
90
270
90
260
AN
240
120
0 24
110
120
250
0
210
0
130
15
23
14
0
0
180
22
210
150 200
190
180
170
160
Isogonic lines, Isogonals
71
Varn - 3
Cursor pick site for magnetic variation along a line
15
B No.
Positions, Distances, Directions, Compass INT
Description
NOAA
NGA
Other NGA
ECDIS
Local magnetic anomaly:
Local magnetic anomaly:
82.2
Cursor pick site for magnetic anomaly along a line or over an area
Within the enclosed area the magnetic variation may deviate from the normal by the value shown
82.1
Local Magnetic Anomaly (see Note)
Where the area affected cannot EHHDVLO\GH¿QHGDOHJHQGRQO\ is shown at the position
LOCAL MAGNETIC ANOMALY (see note)
LOCAL MAGNETIC DISTURBANCE (see note)
Supplementary National Symbols
16
a
Square meter(s)
m2
b
Cubic meter(s)
m3
c
Inch(es)
in
d
Yard(s)
yd
e
Statute mile(s)
St M
St Mi
f
Microsecond(s)
μsec
μs
g
Hertz
Hz
h
Kilohertz
kHz
i
Megahertz
MHz
j
Cycles/second
k
Kilocycle(s)
kc
l
Megacycle(s)
Mc
m
Ton(s) (U.S. short ton) (2,000lbs)
T
n
Degree(s)
deg
cps
c/s
LOCAL MAGNETIC DISTURBANCE (see note)
Cursor pick site for magnetic anomaly at a point
Natural Features No.
INT
Description
NOAA
NGA
Coastline
Other NGA
C
ECDIS
Supplementary national symbols: a–e
)RUHVKRUHĺ,-
1
Coastline, surveyed
Coastline
2
Coastline, unsurveyed
Coastline or shoreline construction of low accuracy in position
high
3
Cliffs, Steep coast †
low
Presence of cliffs coincident with coastline is obtained by cursor pick Sloping ground crest line distant from coastline, radar or visually conspicuous
Cliff as an area †
4
Conspicuous hill or mountain top
Hillocks †
5
Flat coast
6
Sandy shore †
7
Nature of coastline is obtained by cursor pick
Stony shore, Shingly shore †
8
Conspicuous hill or mountain top
Sandhills, Dunes †
17
C No.
Natural Features INT
Description
NOAA
NGA
Relief
Other NGA
ECDIS
Supplementary national symbols: e–g
3ODQHRIUHIHUHQFHIRUKHLJKWVĺ+
10
Contour lines with values and spot height
109 m
Elevation contour with spot height, contour value is obtained by cursor pick
11
Spot heights
119 m
Position of an elevation or control point
12
Approximate contour lines with values and approximate height
109 m
13
Form lines with spot height
14
Approximate height of top of trees (above height datum)
135 TT
Elevation contour with spot height, contour value is obtained by cursor pick
Approximate height of trees is obtained by cursor pick
Water Features, Lava
20
River, Stream
River
21
18
Intermittent river
Natural Features No.
INT
Description
NOAA
NGA
Other NGA
C
ECDIS Rapids
22
Waterfall
Rapids, Waterfalls
Waterfall, visually conspicuous
23
Lakes
24
Salt pans
25
Glacier
26
/DYDÀRZ
Lake
Continuous pattern for an ice area (glacier, etc.)
†
Vegetation
Supplementary national symbols: i–t Line of trees
30
Woods in general
Wooded
Wooded area †
19
C
Natural Features
No.
INT
Description
31
Prominent trees (isolated or in groups)
31.1
Deciduous tree
31.2
Evergreen (except conifer)
31.3
Conifer
31.4
Palm
31.5
Nipa Palm
31.6
Casuarina
31.7
Filao
31.8
Eucalypt
NOAA
NGA
Other NGA
ECDIS
Tree
Vegetation, line of trees
Wooded area
32 0
33
Mangrove
Mangrove with coastline or shoreline construction of low accuracy in position
Marsh, Swamp, Reed beds
Marsh with coastline or shoreline construction of low accuracy in position
0
Supplementary National Symbols a
Chart sounding datum line (surveyed)
b
Approximate sounding datum line (inadequately surveyed)
c
Foreshore; Strand (in general); Stones; Shingle; Gravel; Mud; Sand
d
Breakers along a shore
Uncovers
Mud
Br
Br
ea
ea
ke
rs
ke
rs
(if extensive)
20
Natural Features No.
e
INT
Description
NOAA
NGA
Other NGA
C
ECDIS
Rubble †
f
Hachures †
g
Shading †
i
Deciduous woodland
j
Coniferous woodland
k
Tree plantation
l
&XOWLYDWHG¿HOGV
m
*UDVV¿HOGV
n
3DGG\ ULFH ¿HOGV
o
Bushes
p
Apparent shoreline
q
Vegetation or topographic (Feature Area Limit-in general)
r
Cypress
s
Grass
t
Eelgrass
†
†
†
†
†
†
† Marsh
Cypress
Grass
Eelgrass
21
D No.
Cultural Features INT
Description
NOAA
NGA
Other NGA
ECDIS
Settlements, Buildings +HLJKWRIREMHFWVĺ(/DQGPDUNVĺ(
1
Urban area
2
Settlement with scattered buildings
3
Settlement (on medium and small scale charts)
4
Village
5
Buildings
Conspicuous single building
6
Important building in built-up area
Conspicuous single building in built-up area
7
Street name, Road name
8
Ruin, Ruined landmark
Built-up area
Name
5RDGV5DLOZD\V$LU¿HOGV
22
Built-up area as a point
Vil
Street name is obtained by cursor pick
Ruins
Ru
Status of ruins is obtained by cursor pick
Supplementary National Symbols: a–c
10
Motorway, highway
11
Road (hard surfaced)
12
Track, Path (loose or unsurfaced)
Road, track or path as a line
Road as an area
Cultural Features No.
INT
Description
NOAA
NGA
Other NGA
D
ECDIS
13
Railway, with station
Railway, with station
14
Cutting
Cutting
Embankment
15
Embankment Embankment, visually or radar conspicuous Tunnel
16
Tunnel
Tunnel with depth below the seabed encoded Airport as a point
Runway as a line
17
Airport
$LUSRUW$LU¿HOG
Airport area, with runway area and visually conspicuous runway area
Other Cultural Features 20
Supplementary National Symbols: d–i
Vertical clearance above high water
VERT CL 6 M
clr 20.0 clr cl 20.0
6
clr op 20.0
Open clearance
sf clr 20.0
Safe clearance
FIXED BRIDGE HOR CL 25 FT VERT CL 20 FT
21
Horizontal clearance
HOR CL 8 M 8
Vertical clearance Closed clearance
Horizontal clearance is obtained by cursor pick
clr 20.0
22
Fixed bridge with vertical clearance
clr 20.0
Bridge
23
D No.
23.1
Cultural Features INT
Description
NOAA
NGA
Other NGA
ECDIS
Opening bridge (in general) with vertical clearance clr cl 8.2 clr op 20.0
23.2
Swing bridge with vertical clearance
23.3
Lifting bridge with vertical clearance (closed and open)
23.4
Bascule bridge with vertical clearance
23.5
Pontoon bridge
clr cl 8.2 clr op 20.0
Opening bridge
clr 20.0 clr 20.0
Bridge
clr cl 8.2 clr op 20.0
23.6
Draw bridge with vertical clearance
clr cl 8.2 clr op 20.0
Opening bridge
clr 20.0
24
Transporter bridge with vertical FOHDUDQFHEHORZ¿[HGVWUXFWXUH
clr 20.0
Bridge
clr 20.0 Aerial cableway
25
26
Overhead transporter, Aerial cableway with vertical clearance
Overhead power cable with pylons and safe vertical clearance
clr 20.0
OVERHEAD POWER CABLE AUTHORIZED CL 140 FT
sf clr 20.0
sf clr 20.0 TOWER
TOWER
Aerial cableway, radar conspicuous
Transmission line
Transmission line, radar conspicuous
1RWH 7KHVDIHYHUWLFDOFOHDUDQFHDERYHWKHKHLJKWGDWXPDVGH¿QHGE\WKHUHVSRQVLEOHDXWKRULW\LVJLYHQLQPDJHQWDZKHUHNQRZQ RWKHUZLVHWKHSK\VLFDOYHUWLFDOFOHDUDQFHLVVKRZQLQEODFNDVLQ' DOVRVHH diagram at H 20). 24
Cultural Features No.
INT
Description
NOAA
NGA
Other NGA
ECDIS clr 20.0
27
Overhead cable, Telephone line, Telegraph line with vertical clearance
D
Overhead cable
Tel
clr 20.0
Overhead cable, radar conspicuous
clr 20.0 Overhead pipeline
28
29
Overhead pipe with vertical clearance
OVHD PIPE VERT CL 6FT
clr 20.0
Overhead pipeline, radar conspicuous Oil, gas pipeline, submerged or on land
Pipeline on land
Supplementary National Symbols a
Highway markers
b
Railway (Ry) (single or double track) Railroad (RR)
Same grade Ry above Ry below
c
Abandoned railroad
d
Bridge under construction
e
Footbridge
f
Viaduct
g
Fence
h
Power transmission line
i
Approximate vertical clearance
Viaduct
abt 21
25
Conspicuous and Non-Conspicuous Features ECDIS
There are 25 features for which ECDIS displays either a black symbol, if the feature is visually conspicuous, or a brown symbol if is not. Only conspicuous landmarks are depicted on NOAA paper charts and ENCs. Therefore, only the conspicuous symbol versions are shown in the symbol tables of U.S. Chart No. 1. Both versions of the symbols for these features are shown on this page.
Silo Single building Tank
Cairn Tank farm Chimney Tower Dish aerial Water tower Dome Windmill Flare stack Windmotor )RUWL¿HGVWUXFWXUH Wind generator farm Hill or mountain top
Mast
The seven symbols shown below represent features that only have a brown symbol. There is no corresponding black, conspicuous symbol. The brown symbol is displayed regardless of the conspicuousness of the feature.
Monument Cranes Mosque or minaret )ODJVWDIIÀDJSROH Position of a point feature Mangrove Radar scanner Mine, quarry Radio, television tower Quarry 5H¿QHU\
Timber yard
Religious building, Christian
Tree
Religious building, non-Christian
26
Landmarks No.
INT
Description
NOAA
NGA
Other NGA
E
ECDIS
3ODQHRI5HIHUHQFHIRU+HLJKWĺ+/LJKWKRXVHVĺ3%HDFRQVĺ4
General Non-conspicuous point feature
1
Examples of landmarks
TANK
MONUMENT
Tr
Non-conspicuous building Non-conspicuous water tower
2
Examples of conspicuous landmarks (On NOAA charts, a large circle with dot and capitals indicates that position is accurate; a small circle with lowercase indicates that position is approximate.)
3.1
Pictorial sketches (in true position)
3.2
Pictorial sketches (out of position)
Conspicuous point feature
EMPIRE STATE BUILDING
SPIRE
RADAR MAST
CHIMNEY
Conspicuous building Conspicuous water tower The information symbol is displayed if a supplemental image is available, which may be accessed by cursor pick
4
Height of top of a structure above height datum
(30)
5
Height of structure above ground level
(30)
Height is obtained by cursor pick
Landmarks Church as a point
10.1
Church
Ch Church as an area
10.2
Church tower
10.3
Church spire
SPIRE
Spire
10.4
Church cupola
CUPOLA
Cup
11
Chapel
Church tower, spire, or dome
Ch
Chapel
27
E No.
Landmarks INT
Description
12
Cross, Calvary
13
Temple
14
Pagoda
15
Shinto shrine, Joss house
16
Buddhist temple or shrine
17
Mosque, Minaret
NOAA
NGA
Other NGA
ECDIS Position of a point feature
Religious building, non-Christian
Mosque or minaret
18
Marabout
19
Cemetery
20
Tower
Landmark area, type is obtained by cursor pick
Cem
TOWER
Tr
Tower
Tr
Water tower, Water tank on a tower
21
STANDPIPE
WTR TR
S’pipe
Wtr Tr
Water tower CHIMNEY
22
Chimney
CHY (208)
(202)
Chimney
Chy
23
Flare stack (on land)
FLARE
Flare
Flare stack
24
Monument (including column, pillar, obelisk, statue)
MONUMENT
Mon
Monument
25.1
Windmill
WINDMILL
Windmill
25.2
Windmill (without sails)
26.1
26.2
27
28
†
Windmill, status of ruins is obtained by cursor pick
Wind turbine, Windmotor
WINDMOTOR
Windmotor
Wind motor
Wind farm
WIND FARM
Wind Farm
Wind generator farm
FS
FS
FP
FP
Flagstaff, Flagpole
)ODJVWDIIÀDJSROH
Landmarks No.
INT
Description
28
Radio mast, Television mast
29
Radio tower, Television tower
NOAA
NGA
R MAST
R Mast
TV MAST
TV Mast
Other NGA
E
ECDIS
Mast
R TR
R Tr
TV TR
TV Tr
Radio, television tower
30.1
Radar mast
RADAR MAST
Radar Mast
Mast
30.2
Radar tower
RADAR TR
Radar Tr
Radar tower
30.3
Radar scanner
30.4
Radome
Radar scanner DOME (RADAR)
RADOME
Dome (Radar)
Radome
Dome ANT (RADAR)
31
Dish aerial
Dish aerial Ant (Radar)
Tank
32
Tanks
Tk
TANK
Tank farm
33
SILO
Silo
ELEVATOR
Elevator
Silo
Silo
34.1
)RUWL¿HGVWUXFWXUH RQODUJHVFDOH charts)
34.2
Castle, Fort, Blockhouse (on small scale charts)
34.3
Battery, Small fort (on small scale charts)
35.1
Quarry (on large scale charts)
Quarry area
35.2
Quarry (on small scale charts)
Quarry
)RUWL¿HGVWUXFWXUH
)RUWL¿HGVWUXFWXUH
36
Mine
29
E No.
Landmarks INT
Description
37.1
Recreational vehicle site
37.2
Camping site (including recreational vehicles)
NOAA
NGA
Supplementary National Symbols
30
a
Muslim shrine
†
b
Tomb
†
c
Watermill
†
d
Factory
e
Well
f
School
g
Hospital
h
University
i
Gable
k
Telegraph 7HOHJUDSKRI¿FH
Tel Off
l
Magazine
Magz
Facty
Well
Sch
Sch
Hosp
Univ
Univ
GAB
Gab
Tel
m
Government house
n
Institute
o
Courthouse
p
Pavilion
q
Telephone
r
Limited
Ltd
s
Apartment
Apt
t
Capitol
Cap
u
Company
Co
v
Corporation
Govt Ho Inst Ct Ho Pav T
Corp
Other NGA
ECDIS
Ports No.
INT
Description
NOAA
NGA
Protective Structures
Other NGA
F
ECDIS
Supplementary national symbols: a–c Dike as a line
1
Dike as a line, conspicuous
Dike, Levee, Berm
Dike as an area
2.1
Seawall (on large scale charts) Seawall
2.2
Seawall (on small scale charts)
Causeway as a line Causeway, covers and uncovers as a line
3
Causeway
Cswy
Causeway as an area Causeway, covers and uncovers as an area
Bkw
4.1
Breakwater (in general)
4.2
Breakwater (loose boulders, tetrapods, etc.)
4.3
Breakwater (slope of concrete or masonry)
5
Training wall (partly submerged at high water)
Breakwater as a line
Breakwater as an area
Training wall
31
F
Ports
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
6.1
Groin (always dry)
Groin
Groin (always dry)
6.2
Groin (intertidal)
Groin
Groin (intertidal)
6.3
Groin (always under water)
Groin
Groin (submerged)
Harbor Installations 'HSWKVĺ,$QFKRUDJHV/LPLWVĺ1%HDFRQVDQGRWKHU¿[HGPDUNVĺ40DULQDĺ8
10
Fishing harbor
Fishing harbor
11.1
Boat harbor, Marina
Yacht harbor, marina
11.2
Yacht berths without facilities
11.3
Yacht club, Sailing club Mole as a line
12
Mole (with berthing facility) Mole as an area
13
Quay, Wharf
14
Pier, Jetty
Whf
Wharf (quay)
Pier Pier (jetty), promenade pier
15
Promenade pier
Pontoon as a line
16
Pontoon Pontoon as an area
17
32
Landing for boats
Ldg
Lndg
Landing
Ports No.
INT
Description
18
Steps, Landing stairs
19.1
Designation of berth
19.2
Visitors’ berth
NOAA
NGA
Other NGA
ECDIS
Steps
3
A
3
F
Landing steps
Berth number Nr 3 Yacht harbor, marina
Dn
20
Dol
Dolphin †
Mooring dolphin
Dol (Great Lakes) Dol
Deviation mooring dolphin
21
Deviation dolphin
22
Minor post or pile
23
Slipway, Patent slip, Ramp
24
Gridiron, Scrubbing grid
Gridiron
25
Dry dock, Graving dock
Dry dock
26
Floating dock
Pile
Pile or bollard
Pile (Great Lakes)
Slipway, ramp 0
†
Floating dock as a line Floating dock as an area
27
Non-tidal basin, Wet dock
Wet dock and gate
Dock
28
Tidal basin, Tidal harbor Dock, under construction or ruined
33
F No.
Ports INT
Description
NOAA
NGA
Other NGA
ECDIS Floating hazard Boom
29.1
Floating oil barrier, oil retention (high pressure pipe)
Floating barrier, e.g. oil barrier, security barrier
B ar rie r F lo at in g
%RRPÀRDWLQJ obstruction Oil retention barrier (high pressure pipe)
29.2 30
31
32
2011
2011
2011 2011
Works at sea, Area under reclamation, with year date
Works under construction, with year date
33.2
Ruined pier, partly submerged at high water
Hulk
r
nst
Under construction (2011)
r co
de Un
Ruin or works under construction Year and condition of under construction or ruin is obtained by cursor pick
Under constr (2011)
Ruins
Pier 0
Ruin
34
Floating oil barrier, oil retention (high pressure pipe)
Works on land, with year date
33.1
34
Floating Barrier
Hk
Hk
Pier, ruined and partly submerged
Hulk
Ports No.
INT
Description
NOAA
NGA
Other NGA
Canals, Barrages
F
ECDIS
Supplementary national symbol: d
&OHDUDQFHVĺ'6LJQDO6WDWLRQVĺ7&XOWXUDO)HDWXUHVĺ% Canal Canal
Ditch
1
ck Lo
er
St a Lo ck
Lock (on large scale charts)
St
Co
nt
ro l Ce
Tid e
41.1
Lock gate as a line
a
e
d Ti
nt
Canal
2
40
41.2
Canal
Lock
Ditch
Sluice
Lock (on small scale charts)
Lock gate as an area
Navigable lock gate (Tidegate, Floodgate)
Non-navigable lock gate
42
Caisson, Gate
Caisson as a line
Caisson as an area
Non-navigable lock gate
43
Flood barrage
Flood barrage as a line
Flood barrage as an area
Dam as a line
44
'DP:HLU GLUHFWLRQRIÀRZ shown is left to right) Dam as an area
35
F
Ports
No.
INT
Description
NOAA
NGA
Transhipment Facilities
Other NGA
ECDIS
Supplementary national symbols: e–f
5RDGVĺ'5DLOZD\Vĺ'7DQNVĺ(
50
Roll-on, Roll-off (RoRo), Ferry Terminal
RoRo terminal
51
Transit shed, Warehouse (with designation)
Conspicuous single building, designation is obtained by cursor pick Timber yard as a point
52
Timber yard
† Timber yard as an area
Lifting capacity is obtained by cursor pick
53.1
Crane with lifting capacity, Traveling crane (on railway)
Crane as a point
Container crane (with lifting capacity)
†
Crane
53.2
Cra
ne
Crane as an area
Crane, visually conspicuous as an area
53.3
Sheerlegs (conspicuous)
Public Buildings 60
Supplementary national symbol: g +DUERUPDVWHU¶VRI¿FH
Hbr Mr
Conspicuous single building Conspicuous single building
61
&XVWRPRI¿FH
Cus Ho
Customs
62.1
+HDOWKRI¿FH4XDUDQWLQH building
62.2
Hospital
Hosp
3RVWRI¿FH
PO
63 36
†
Health Office
Conspicuous single building
Ports No.
INT
Description
NOAA
NGA
Other NGA
F
ECDIS
Supplementary National Symbols a
Jetty (partly below MHW)
b
Submerged jetty
Subm Jetty
Submerged Jetty
c
Jetty (on small scale charts)
d
Pump-out facilities
e
4XDUDQWLQHRI¿FH
f
Mooring Canal
P
†
Quar
M
oo
rin
1
g
Ca
na
l
g
Conveyor
Conveyor
37
H
Tides, Currents
Terms Relating to Tidal Levels INT Terms
Supplementary National Terms (see l–t for other terms and symbols)
No.
Term
1
CD
2
No.
Term
Chart Datum, Datum for sounding reduction
a
HW
LAT
Lowest Astronomical Tide
b
HHW
3
HAT
Highest Astronomical Tide
c
LW
4
MLW
Mean Low Water
d
LWD
Low Water Datum
5
MHW
Mean High Water
e
LLW
Lower Low Water
6
MSL
Mean Sea Level
f
MTL
Mean Tide Level
Height datum, Land survey datum
g
ISLW
Indian Spring Low Water
7
38
Description
Description High Water Higher High Water Low Water
8
MLWS
Mean Low Water Springs
h
HWF&C
High Water Full and Change (Vulgar establishment of the port)
9
MHWS
Mean High Water Springs
i
LWF&C
Low Water Full and Change
10
MLWN
Mean Low Water Neaps
j
CRD
11
MHWN
Mean High Water Neaps
k
GCLWD
12
MLLW
Mean Lower Low Water
13
MHHW
Mean Higher High Water
14
MHLW
Mean Higher Low Water
15
MLHW
Mean Lower High Water
16
Sp
Spring tide
17
Np
Neap tide
Columbia River Datum Gulf Coast Low Water Datum
H
Tides, Currents No.
Tidal Levels and Charted Data 7LGH*DXJHĺ7 Planes of reference are not exactly as shown below for all charts. They are usually defined in notes under chart titles.
Spot height
Overhead power cable
100
Safe vertical clearance (magenta) Charted vertical clearance
128
Elevation of light source Topographic contours
Charted vertical clearance
MHHW
(7) Islet height Charted HW (coast) line
MHW
20
MSL Sea surface at any time Height of tide
Observed depth
(12) Drying height
MLW
Charted LW (drying) line
MLLW (Chart datum) Charted depth (sounding)
Notes: 1) The numbers and (12), shown above, are examples of how spot heights, topographic contour labels, islet heights and drying heights appear on NOAA paper charts. The numbers are enclosed in (parentheses) if the value is offset into the water to more clearly show the islet or rock. 2) On NOAA charts, except for lake charts, the HW (coast) line is equal to the MHW line.
Tide Tables No.
INT
Description
NOAA 7,'$/,1)250$7,21 3/$&(
30
+HLJKWUHIHUUHGWRGDWXPRIVRXQGLQJV 0//: 0HDQ+LJKHU High Water
0HDQ High Water
0HDQ /RZ:DWHU
feet
feet
feet
1.7
1.4
0.2
1 :
1.4
1.2
0.2
:DVKLQJWRQ'&:DVKLQJWRQ&KDQQHO 1 :
3.2
2.9
0.1
Tabular statement of semi-diurnal or diurnal tides
1$0(
Note: The order of the columns of levels will be the same as that used in national tables of tidal predictions.
%DOWLPRUH)W0F+HQU\
1 :
Annapolis, U.S. Naval Academy
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'DVKHV ORFDWHGLQGDWXPFROXPQVLQGLFDWHXQDYDLODEOHGDWXPYDOXHVIRUDWLGHVWDWLRQ5HDOWLPHZDWHU levels, tide predictions, and tidal current predictions are available on the Internet from KWWS WLGHVDQGFXUUHQWVQRDDJRY 1RY
39
H
Tides, Currents
No.
ECDIS
Point or area for which a tidal stream table is available
31
Tidal stream table
Boundary of an area for which there is tidal information
Tidal Streams and Currents
Supplementary national symbols: m–t
%UHDNHUVĺ.7LGH*DXJHĺ7 No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
2.5 kn
40
3.0 kn
Flood stream, rate at spring tides Current or tidal stream whose direction is not known
Flood tide stream with rate
Boundary of an area for which there is tidal information
2.5 kn
41
2.8 kn
Ebb tide stream
Ebb stream, rate at spring tides Current or tidal stream whose direction is not known
Boundary of an area for which there is tidal information
40
Tides, Currents No.
INT
Description
42
Current in restricted waters
43
Ocean current with rates and seasons
NOAA
NGA
Other NGA
H
ECDIS
2.5 kn
Non-tidal current
(see Note)
Tide rips
44
Overfalls, tide rips, races symbol used only in small areas
Overfalls, tide rips; eddies; breakers as point, line, and area
45
Eddies
Eddies
symbol used only in small areas
46
Position of tabulated tidal stream data with designation
47
Offshore position for which tidal levels are tabulated
Point for which a tidal stream table is available
Supplementary National Symbols (Supplementary national terms relating to tidal levels are listed after H 17) l
Stream
Str
m
Current, general, with rate
2 kn
n
Velocity, Rate
vel
o
Knots
kn
p
Height
ht
q
Flood
À
r
New moon
s
Full moon
9
t
Current diagram
Gulf Stream Limits
0
1
8
2 7
u
10 11
6
5
4
3
Approximate location of Axis of Gulf Stream
41
I
Depths No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
General 1
ED
Existence doubtful
Sounding of low accuracy
Sounding of low accuracy
2
SD
Sounding of doubtful depth
Underwater hazard with depth greater than 20 meters Isolated danger of depth less than the safety contour Sounding of low accuracy
3.1
Rep
5HSRUWHGEXWQRWFRQ¿UPHG Point feature or area of low accuracy
3.2
5HS
Reported (with year of report), EXWQRWFRQ¿UPHG
Low accuracy line demarking area wreck or obstruction Low accuracy line demarking foul area Obstruction, depth not stated Sounding of low accuracy
4
5HSRUWHGEXWQRWFRQ¿UPHG sounding or danger (on small scale charts only)
Underwater hazard with depth of 20 meters or less Underwater hazard with depth greater than 20 meters Isolated danger of depth less than the safety contour Point feature or area of low accuracy
42
Depths No.
INT
Description
NOAA
NGA
Soundings
Other NGA
I
ECDIS
Supplementary national symbols: a–c
3ODQHRI5HIHUHQFHIRU'HSWKVĺ+3ODQHRI5HIHUHQFHIRU+HLJKWVĺ+
10
11
Sounding shoaler than or equal to safety depth
Sounding in true position (NOAA shows fathoms and feet with vertical numbers and meters with sloping numbers)
Sounding out of position
6
3
4
6
3 4
Sounding deeper than safety depth (23) 3375
Depths are always shown in their true position in ECDIS (47 )
12
Least depth in narrow channel
13
No bottom found at depth shown
Status of no bottom found is obtained by cursor pick
14
Soundings which are unreliable or taken from a smaller scale source (NOAA shows unreliable soundings in fathoms and feet with sloping numbers and in meters with vertical numbers)
Sounding of low accuracy
15
Drying heights and contours above chart datum
16
Natural watercourse (in intertidal area), tidal gully, tideway
6
Drying height, less than or equal to safety depth
Tideway
43
I
Depths INT
No.
Description
NOAA
NGA
Depths in Fairways and Areas
Other NGA
ECDIS
Supplementary national symbols: a, b
3ODQHRI5HIHUHQFHIRU'HSWKVĺ+
20
Limit of dredged area
21
Dredged channel or area with depth of dredging in meters and decimeters
Dredged area 30 FEET APR 2011
Dredged channel or area with depth and year of the latest control survey
22
23
Dredged channel or area with maintained depth
24
Area swept by wire drag. The depth is shown at chart datum. (The latest date of sweeping is shown in parentheses.)
Depth, date of latest survey and other information is obtained by cursor pick
30 FEET APR 2011
3
8
29 23
18 7
76
22 30
(1930)
swept to 9.6
Swept area
21
0
0
Unsurveyed (see note)
10
Incompletely surveyed area
10
Depths (see ZOC diagram)
Unsurveyed or inadequately surveyed area; area with inadequate depth information
25
Unsurveyed 13
Inadequately surveyed (see note)
11
12 10
17
13 Unsurveyed
44
rky 22
20
Unsurveyed area
ECDIS Portrayal of Depths
ECDIS
ECDIS depth related symbols closely resemble their paper chart counterparts; however, ECDIS provides valuable additional information to mariners that paper charts cannot. Soundings ECDIS enables mariners to set their own-ship “safety depth.” If no depth is set, ECDIS sets the value to 30m. Soundings equal to or shoaler than the safety depth are shown in black; deeper soundings are displayed in a less conspicuous gray. Fractional values are shown with subscript numbers of the same size. Depth Contours & Depth Areas Depth contours in ECDIS are portrayed with a thin gray line. Each pair of adjacent depth contours is used to create depth area features. These are used by ECDIS to tint different depth levels and to initiate alarms when a ship is headed into unsafe water. Depth Contour Labels ECDIS depth contour labels are not centered and oriented along isolines as they appear on paper charts. They are displayed upright and may appear either on or next to the contour lines that they describe. The labels are black and the same size as soundings, but the labels have a light “halo” to set them apart. The graphic to the left shows depth labels and soundings both deeper and shoaler than the safety depth. Note that depths on NOAA paper charts and ENCs are usually compiled in fathoms and feet. Because ECDIS displays depths in meters, soundings and contour lines often show fractional meter values. The “own-ship safety contour” (described below) is always displayed, but mariners may choose to have all other depth contours turned off.
Portrayal of Depth Areas with 2 Color Settings 6RPH(&',6HQDEOHPDULQHUVWRGH¿QHWZRDGGLWLRQDOGHSWKDUHDVIRUPHGLXP deep water and medium-shallow water by setting a “deep contour” value and a “shallow contour” value. If this option is used, the safety contour is displayed between the medium deep and medium shallow contours.
Safety Contour ECDIS uses a “safety contour” value to show an extra thick line for the depth contour that separates “safe water” from shoaler areas. If the mariner does not set an own-ship safety contour value, ECDIS sets the value to 30m. If the ENC being displayed does not have a contour line equal to the safety contour depth value set by the mariner, then ECDIS sets the next deeper contour as the safety contour. Depending on the contour intervals used on individual ENCs, ECDIS may set different safety contours as a ship transits from one ENC to another. ECDIS will initiate an alarm if the ship’s future track will cross the safety contour ZLWKLQDVSHFL¿HGWLPHVHWE\WKHPDULQHU
Portrayal of Depth Areas with 4 Color Setting
Two or Four Tints for Shading Depth Areas ECDIS tints all depth areas beyond the (green tinted) foreshore in either one of two or one of four shades of blue. This is similar to the convention used for paper charts, but the depths used to change from one tint to another are based on the safety contour and thus “customized” for each ship. If the mariner chooses two shades to be displayed, water deeper than the safety contour is shown in an off-white color, water shoaler than the safety contour is tinted blue.
Some ECDIS also provide the mariner with the option of displaying a cross-hatch “shallow water” pattern over all depth areas shoaler than the safety contour.
45
I
Depths No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
Depth Contours Two Shades
Drying contour
Four Shades
Low water line foreshore
foreshore
Blue tint, in one or more shades, or tint ribbons are shown to different limits according to the scale and purpose of the chart and the nature of the bathymetry.
very shallow depth
On some charts, contours and values are printed in blue.
shallow depth
shallow water contour
medium shallow depth
30
safety contour
medium deep depth deep water contour
deep depth
all deeper contours
Approximate depth contour Approximate safety depth contour
20
31
Approximate depth contours
50
a
Swept channel
6
b
Swept area, not adequately sounded (shown by purple or green tint)
15
Supplementary National Symbols
c 46
Stream
89 102 119
10
2ft
deep depth
5
6
Nature of the Seabed No.
INT
Description
NOAA
NGA
Types of Seabed
Other NGA
J
ECDIS
Supplementary national abbreviations: a–ag
5RFNVĺ.
1
S
Sand
S
Sand
2
M
Mud
M
Mud
3
Cy
Clay
Cy
Clay
4
Si
Silt
Si
Silt
5
St
Stones
St
Stones
6
G
Gravel
G
Gravel
7
P
Pebbles
P
Pebbles
8
&E
Cobbles
Cb
Cobbles
9.1
R
Rock; Rocky
Rk; rky
R
Rock
9.2
Bo
Boulder(s)
Blds
R
Boulder
R
Lava
10
Co
Coral, Coralline algae
Co
Coral
11
Sh
Shells (skeletal remains)
Sh
Shells
12.1
S/M
Two layers, e.g. sand over mud
fS M Sh
The main constituent is given ¿UVWIRUPL[WXUHVHJ¿QHVDQG with mud and shells
12.2
13.1
13.2
fS.M.Sh
Wd
f S M Sh
Weed, kelp
Weed (including kelp)
Kelp, Weed
Kelp
Weed, kelp as an area
47
J
Nature of the Seabed
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS Sand waves as a point
Sand waves as a line
14
Sandwaves
Sandwaves
Sand waves as an area
15
Spring
Spring in seabed
Spring
Types of Seabed, Intertidal Areas
20
Area with stones and gravel
21
Rocky area, which covers and uncovers
gravel stone
Areas of gravel and stone
Rocky ledges or coral reef Coral reef, which covers and uncovers
22 Qualifying Terms
48
Supplementary national symbols: ah–bf
30
f
Fine
31
m
Medium
32
c
Coarse
33
EN
Broken
only used in relation to sand
34
sy
Sticky
35
so
Soft
36
sf
Stiff
37
Y
Volcanic
YRO
38
ca
Calcareous
Ca
39
h
Hard
Rocky ledges or coral reef
Nature of the Seabed No.
INT
Description
NOAA
NGA
Other NGA
J
ECDIS
Supplementary National Abbreviations a
Ground
Grd
b
Ooze
Oz
c
Marl
Ml
d
Shingle
Sn
f
Chalk
Ck
g
Quartz
Qz
h
Schist
i
Coral head
Co Hd
j
Madrepores
Mds
k
Volcanic ash
9RO$VK
l
Lava
La
m
Pumice
Pm
n
Tufa
7
o
Scoriae
Sc
p
Cinders
Cn
q
Manganese
Mn
r
Oysters
Oys
s
Mussels
Ms Spg
Sch
t
Sponge
u
Kelp
v
Grass
Grs
w
Sea-tangle
Stg
x
Spicules
Spi
y
Foraminifera
Fr
z
Globigerina
Gl
aa
Diatoms
Di
ab
Radiolaria
Rd
ac
Pteropods
Pt
ad
Polyzoa
Po
ae
Cirripedia
Cir
af
Fucus
Fu
K
49
J No.
50
Nature of the Seabed INT
Description
NOAA
NGA
ag
Mattes
Ma
ah
Small
sml
ai
Large
lrg
aj
Rotten
rt
ak
Streaky
str
al
Speckled
spk
am
Gritty
gty
an
Decayed
dec
ao
Flinty
ap
Glacial
glac
aq
Tenacious
ten
ar
White
wh
as
Black
EO EN
À\
at
Violet
YL
au
Blue
EX
av
Green
gn
aw
Yellow
yl
ax
Orange
or
ay
Red
rd
az
Brown
EU
ba
Chocolate
ch
bb
Gray
gy
bc
Light
lt
bd
Dark
dk
be
Varied
YDUG
bf
Uneven
XQHY
Other NGA
ECDIS
Rocks, Wrecks, Obstructions, Aquaculture No.
INT
Description
NOAA
NGA
Other NGA
K
ECDIS
General Obstruction, depth not stated Obstruction which covers and uncovers
1
Danger line: A danger line draws attention to a danger which would not stand out clearly enough if represented solely by its symbol (e.g. isolated rock) or delimits an area containing numerous dangers, through which it is unsafe to navigate
Underwater hazard with depth of 20 meters or less Isolated danger of depth less than the safety contour Foul area, not safe for navigation
21 Rk
2
35 Rk
Swept by wire drag or diver 46 Wk
3
Depth unknown, but estimated to have a safe clearance to the depth shown
46 Wk
46 Wk (1937) 35 Rk
Swept sounding, less than or equal to safety depth
46 Obstn (157)
Swept sounding, greater than safety depth ECDIS displays safe clearance depths in the same manner as known depths.
46 Obstn
Rocks 3ODQHRI5HIHUHQFHIRU+HLJKWVĺ+3ODQHRI5HIHUHQFHIRU'HSWKVĺ+ Land as a point at small scale
10
11
Rock (islet) which does not cover, height above height datum
Rock which covers and uncovers, height above chart datum
25
(21)
(4 m)
8m
( 2)
(06) Uncov 1m ( 2)
4
(06) Uncov 1m
Land as an area, with an elevation or control point Rock which covers and uncovers or is awash at low water Underwater hazard which covers and uncovers with drying height Isolated danger of depth less than the safety contour Rock which covers and uncovers or is awash at low water
12
Rock awash at the level of chart datum
Underwater hazard which covers and uncovers Isolated danger of depth less than the safety contour 51
K No.
13
14.1
Rocks, Wrecks, Obstructions, Aquaculture INT
Description
NOAA
NGA
Other NGA
ECDIS Dangerous underwater rock of uncertain depth
Underwater rock of unknown depth, dangerous to surface navigation
Underwater rock of known depth; inside the corresponding depth area
Isolated danger of depth less than the safety contour Underwater hazard with a depth of 20 meters or less
27 Rk 21 R
12 Rk
Underwater hazard with depth greater than 20 meters
14.2
15
Underwater rock of known depth; outside the corresponding depth area, dangerous to surface navigation
42 Rk 5 Rk 5
Underwater rock of known depth, not dangerous to surface navigation
Isolated danger of depth less than the safety contour
R
35 R.
35Rk
Underwater hazard with a depth of 20 meters or less
Underwater hazard with depth greater than 20 meters Dangerous underwater rock of uncertain depth Obstruction, depth not stated Isolated danger of depth less than the safety contour
16
Coral reef which is always covered
Co 31
Br
17
52
Breakers
Safe clearance shoaler than safety contour
Reef line
eak er s
Br
West Breaker PA
128
Safe clearance deeper than safety contour
256
Safe clearance deeper than 20 meters
Overfalls, tide rips; eddies; breakwaters as point, line, and area
Rocks, Wrecks, Obstructions, Aquaculture INT
No.
Description
NOAA
NGA
Other NGA
K
ECDIS
Wrecks and Fouls 3ODQHRI5HIHUHQFHIRU'HSWKVĺ+ Mast (1.2)
20
Wk
Wreck, hull never covers, on large scale charts
Hk
Hk
Wk Mast (12 )
21
Wk
1.2 m
Wreck, always dry, with height shown
Wreck, covers and uncovers
Wk
Wreck, covers and uncovers, on large scale charts
Hk
Wk Wk
Distributed remains of wreck
Submerged wreck with depth of 20 meters or less
22
52
65
Submerged wreck, depth known, on large scale charts
Submerged wreck with depth greater than 20 meters
9 Wk
Distributed remains of wreck
Wk
23
Submerged wreck, depth unknown, on large scale charts
Hk
Wk Wk
Submerged wreck with depth less than the safety contour or depth unknown
Wk
24
Wreck showing any portion of hull or superstructure at level of chart datum
Wk Wk Wk
25
Wreck of which the mast(s) only are visible at chart datum
Masts
Wreck showing any portion of hull or superstructure at level of chart datum
Mast (10ft) Funnel
Underwater hazard with depth of 20 meters or less
26
Wreck, least depth known by sounding only
512 Wk
(11)
Underwater hazard with depth greater than 20 meters Isolated danger of depth less than the safety contour 53
K No.
Rocks, Wrecks, Obstructions, Aquaculture INT
Description
NOAA
NGA
Other NGA
ECDIS Swept sounding for underwater hazard less than safety depth
Wreck, least depth known, swept by wire drag or diver
27
Swept sounding for underwater hazard greater than or equal to safety depth
25
Isolated danger of depth less than the safety contour
28
Dangerous wreck, depth unknown
29
Sunken wreck, not dangerous to surface navigation
Dangerous wreck, depth unknown Isolated danger of depth less than the safety contour Non-dangerous wreck, depth unknown Underwater hazard with safe clearance of 20 meters or less
Wreck, least depth unknown, but considered to have a safe clearance to the depth shown
30
4
Underwater hazard with safe clearance greater than 20 meters Isolated danger of depth less than the safety contour
31.1
Foul area of seabed safe for navigation but not for anchoring
(25)
Foul ground, not dangerous to surface navigation, but to be avoided by vessels anchoring, trawling, etc. (e.g. remains of wreck, cleared platform)
31.2
Foul ground
Distributed remains of wreck
Obstructions and Aquaculture 3ODQHRI5HIHUHQFHIRU'HSWKVĺ+.HOS6HDZHHGĺ-8QGHUZDWHU,QVWDOODWLRQVĺ/ Obstruction, depth not stated
40
Obstruction, depth unknown
Isolated danger of depth less than the safety contour Safe clearance shoaler than safety contour
54
Rocks, Wrecks, Obstructions, Aquaculture No.
INT
Description
NOAA
NGA
Other NGA
K
ECDIS Underwater hazard with depth of 20 meters or less
41
Underwater hazard with depth greater than 20 meters
Obstruction, least depth known by sounding only
Isolated danger of depth less than the safety contour Less than or equal to safety depth swept depth
Greater than safety depth Method of depth measurement is obtained by cursor pick
42
Obstruction, least depth known, swept by wire drag or diver
known by diver or other means
Underwater hazard with depth of 20 meters or less Underwater hazard with depth greater than 20 meters Isolated danger of depth less than the safety contour
43.1
43.2
Stumps of posts or piles, wholly submerged
Submerged pile, stake, snag, or stump (with exact position)
Piles
Subm piles Subm piles
Well
Stakes
Deadhead
Snags
Stump
Obstruction, depth not stated Underwater hazard with depth of 20 meters or less Isolated danger of depth less than the safety contour Fish stakes as a point
44.1
Fsh stks
Fishing stakes
Fish stakes as an area
44.2
Fish trap, Fish weir, Tunny nets
45
Fish trap area, Tunny nets area
Fish trap
)LVKWUDS¿VKZHLU tunny net as a point
)LVKWUDS¿VKZHLUWXQQ\ net as an area
55
K No.
46.1
Rocks, Wrecks, Obstructions, Aquaculture INT
Description
Fish haven
NOAA
Obstn Fish Haven
NGA
Other NGA
ECDIS Isolated danger of depth less than the safety contour
(actual shape)
Safe clearance shoaler than safety contour Underwater hazard with depth of 20 meters or less Underwater hazard with depth greater than 20 meters
46.2
Fish haven with minimum depth
Isolated danger of depth less than the safety contour
Obstn Fish Haven (auth min 42ft)
Safe clearance shoaler than safety contour
47
6KHOO¿VKEHGV
Safe clearance deeper than safety contour
256
Safe clearance deeper than 20 meters
Oys
Marine farm as a point
48.1
Marine farm (on large scale charts)
48.2
Marine farm (on small scale charts)
Marine Farm
Obstn (Marine Farm)
56
128
Marine Farm
Marine farm as an area
Rocks, Wrecks, Obstructions, Aquaculture No.
INT
Description
NOAA
NGA
Other NGA
K
ECDIS
Supplementary National Symbols a
Rock awash (height unknown)
b
Shoal sounding on isolated rock or rocks
c
Sunken wreck covered 20 to 30 meters
d
Submarine volcano
Sub vol
e
Discolored water
Discol water
f
Sunken danger with depth cleared (swept) by wire drag
g
Reef of unknown extent
h
Coral reef, detached (uncovers at sounding datum)
i
Submerged crib
j
Crib, duck blind (above water)
k
Submerged duck blind
l
Submerged platform
m
Coral reef which covers and uncovers
n
Sinkers
o
Foul area, foul with rocks or wreckage, dangerous to navigation
21
5 Rk
Rks
46
21 Rk
35 Rk
46 Obstn
Reef
Co
Subm Crib
Crib Duck Blind
Crib
Duck Blind Subm platform
Platform
Foul
p
Unexploded ordnance
q
Float
r
Stumps of posts or piles, which cover and uncover
Wks Wreckage
Unexploded Ordnance Float
Subm piles
57
L
Offshore Installations INT
No.
Description
NOAA
NGA
Other NGA
ECDIS
General $UHDV/LPLWVĺ1 Well 348
1
Ekofisk Oilfield
1DPHRIRLO¿HOGRUJDV¿HOG
Area to be navigated with caution, name is obtained by cursor pick
Well 346
CORRIB GAS FIELD
Well 334
334 Well
Offshore platform, name is obtained by cursor pick
2
Platform with designation/name
3
Limit of safety zone around offshore installation
Area where entry is prohibited or restricted or to be avoided, with other cautions
4
Limit of development area
Cautionary area, navigate with caution
5.1
:LQGWXUELQHÀRDWLQJZLQG turbine, vertical clearance under blade
“Name”
Fl.Y
Wind motor visually conspicuous
Offshore wind farm
5.2
Wind farm (offshore) 2IIVKRUHZLQGIDUP ÀRDWLQJ
6
Wave farm
Wave farm
10
Production platform, Platform, Oil derrick
Offshore platform
11
Flare stack (at sea)
&RQVSLFXRXVÀDUHVWDFN on offshore platform
Platforms and Moorings 0RRULQJ%XR\Vĺ4
58
Offshore Installations INT
No.
Description
12
Single Point Mooring (SPM), including Single Anchor Leg Mooring (SALM), Articulated Loading Column (ALC)
13
Observation/research platform (with name)
14
Ru
Z-44 (ru)
NOAA
NGA
$UWL¿FLDOLVODQG
16
Single Buoy Mooring (SBM), Oil or gas installation buoy including Catenary Anchor Leg Mooring (CALM)
17
Moored storage tanker
18
Mooring ground tackle
ECDIS
“Name”
“Name”
“Name”
Disused platform with superstructure removed
15
Other NGA
L
“Name”
Offshore platform, name and status of disused is obtained by cursor pick
(disused)
“Name”
Artificial Island (Mukluk)
Installation buoy and PRRULQJEXR\VLPSOL¿HG Installation buoy, paper chart Tanker
Offshore platform
Ground tackle
Underwater Installations
Supplementary national symbol: a
3ODQHRI5HIHUHQFHIRU'HSWKVĺ+2EVWUXFWLRQVĺ. Underwater hazard with depth of 20 meters or less
Well (cov 21ft)
20
Submerged production well
Well (cov 83ft)
15 Prod Well Well Prod Well
Underwater hazard with depth greater than 20 meters Isolated danger of depth less than the safety contour
21.1
21.2
21.3
Suspended well, depth over wellhead unknown
Suspended well, with depth over wellhead
Wellhead with height above the VHDÀRRU
Isolated danger of depth less than the safety contour
Pipe
Underwater hazard with depth of 20 meters or less
Pipe (cov 24ft)
Underwater hazard with depth greater than 20 meters
Pipe (cov 92ft)
Isolated danger of depth less than the safety contour Well (5.7)
Isolated danger of depth less than the safety contour 59
L
Offshore Installations
No.
INT
Description
22
NOAA
NGA
Other NGA
Foul area of seabed safe for navigation but not for anchoring
Site of cleared platform
Pipe (1 8 )
23
24
ECDIS
Above-water wellhead (lit or unlit)
Pipe
Pipe (24)
Obstruction in the water which is always above water level
Underwater turbine Underwater turbine or subsurface ODAS
25
ODAS
Subsurface Ocean(ographic) Data Acquisition System (ODAS)
Submarine Cables 30.1
Submarine cable
30.2
Submarine cable area
31.1
Submarine power cable
31.2
Submarine power cable area
Submarine cable †
Cable Area
Submarine cable area
Disused submarine cable
Status of disused is obtained by cursor pick
40.1
6XSSO\SLSHOLQH XQVSHFL¿HGRLO gas, chemicals, water
Oil, gas pipeline, submerged or on land
40.2
Supply pipeline area: unspeci¿HGRLOJDVFKHPLFDOVZDWHU
32 Submarine Pipelines
60
†
Pipeline Area
Submarine pipeline area with potentially dangerous contents
Offshore Installations No.
INT
Description
NOAA
NGA
Other NGA
L
ECDIS
41.1
2XWIDOODQGLQWDNH XQVSHFL¿HG water, sewer, outfall, intake
41.2
Outfall and intake area: unspeci¿HGZDWHUVHZHURXWIDOOLQWDNH
Submarine pipeline area with generally non-dangerous contents
42.1
Buried pipeline/pipe (with nominal depth to which buried)
Nominal depth of buried pipeline is obtained by cursor pick
42.2
Pipeline tunnel
Pipeline tunnel
Water pipeline, sewer, etc.
Pipeline Area
Underwater hazard with depth of 20 meters or less
43
Diffuser, Crib
44
Disused pipeline/pipe
Isolated danger of depth less than the safety contour Status of disused is obtained by cursor pick
Supplementary National Symbols a
Submerged well (buoyed)
b
Potable water intake
Well
Well
Well
PWI Depth over Crib 17 ft
Crib
61
M No.
Tracks, Routes INT
Description
NOAA
NGA
Other NGA
Tracks
ECDIS
Supplementary national symbols: a–c
7UDFNV0DUNHGE\/LJKWVĺ3/HDGLQJ%HDFRQVĺ4 Leading line bearing a non-regulated, recommended track
1
Leading line (solid line is the track to be followed, ‡ means “in line”)
Direction not encoded Lights in line 090°
270 deg 270 deg
2
Transit (other than leading line), clearing line
Beacons in line 090°
Bns in line 270.5°
270 deg
One-way Two-way
Clearing line; transit line
Non-regulated, recommended track EDVHGRQ¿[HGPDUNV
3
Recommended track based on a V\VWHPRI¿[HGPDUNV
Direction not encoded Lights in line 090°
90 deg 270 deg
One-way Two-way
Non-regulated, recommended track QRWEDVHGRQ¿[HGPDUNV
4
Direction not encoded
Recommended track not based RQDV\VWHPRI¿[HGPDUNV
90 deg 270 deg
One-way Two-way
%DVHGRQ¿[HGPDUNVRQHZD\
5.1
One-way track and DW track EDVHGRQDV\VWHPRI¿[HG marks
90 deg
Non-regulated recommended track Deep water route
1RWEDVHGRQ¿[HGPDUNVRQHZD\
5.2
6 62
One-way track and DW track QRWEDVHGRQDV\VWHPRI¿[HG marks
Recommended track with maximum authorized (or recommended) draft stated
90 deg
Non-regulated recommended track Deep water route centerline
7m 73 m
If encoded, the shoalest depth range value along the track is obtained by cursor pick
Tracks, Routes No.
INT
Description
NOAA
NGA
Routing Measures
Other NGA
M
ECDIS
Supplementary national symbols: d–e
Basic Symbols
10
Established (mandatory) GLUHFWLRQRIWUDI¿FÀRZ
7UDI¿FGLUHFWLRQLQD RQHZD\ODQHRIDWUDI¿F separation scheme
11
5HFRPPHQGHGGLUHFWLRQRIWUDI¿F ÀRZ
6LQJOHWUDI¿FGLUHFWLRQ in a two-way route part RIDWUDI¿FVHSDUDWLRQ scheme
12
Separation line (large scale, small scale)
7UDI¿FVHSDUDWLRQOLQH
13
Separation zone
7UDI¿FVHSDUDWLRQ]RQH
14
Limit of restricted routing PHDVXUH HJ,QVKRUH7UDI¿F Zone (ITZ), Area to be Avoided (ATBA))
15
Limit of routing measure
RESTRICTED AREA
7UDI¿FVHSDUDWLRQ scheme boundary
7UDI¿FSUHFDXWLRQDU\ area as a point
16
Precautionary area 7UDI¿FSUHFDXWLRQDU\ area as an area
Archipelagic Sea Lane (ASL); axis line and limit beyond which vessels shall not navigate
17
7.3m
Fairway designated by regulatory authority with minimum depth
<7.3m>
Fairway designated by regulatory authority with maximum authorized draft
18
Axis and boundary of archipelagic sea lane
SAFETY FAIRWAY 166.200 (see note A)
Fairway, depth is obtained by cursor pick
63
M
Tracks, Routes
Examples of Routing Measures on Paper/Raster Charts
25.1
(201 1)
20.1
Inshore Traffic Zone
FAIR WAY 10
.5m
Inshore Traffic Zone 25.1 Precautionary Area
23
21 20.1
20.1
18
24 RW
28.1 27.1
DW
29.1 Area to be Avoided (see Note)
RW
26.1
20.2
DW
DW
27.3 RW
29.2
26.1
DW
26.2
5m
22.
28.2 22
27.2
20.3 Inshore traffic zone 25.2 DW
DW
64
20.1
DW
27.3 27.3
27.3
Tracks, Routes
M
No.
Examples of Routing Measures 18
Safety fairway
20.1
7UDI¿F6HSDUDWLRQ6FKHPH 766 WUDI¿FVHSDUDWHGE\VHSDUDWLRQ]RQH
20.2
7UDI¿F6HSDUDWLRQ6FKHPHWUDI¿FVHSDUDWHGE\QDWXUDOREVWUXFWLRQV
20.3
7UDI¿F6HSDUDWLRQ6FKHPHZLWKRXWHUVHSDUDWLRQ]RQHVHSDUDWLQJWUDI¿FXVLQJVFKHPHIURPWUDI¿FQRWXVLQJLW
21
7UDI¿F6HSDUDWLRQ6FKHPHURXQGDERXWZLWKVHSDUDWLRQ]RQH
22
7UDI¿F6HSDUDWLRQ6FKHPHZLWK³FURVVLQJJDWHV´
23
7UDI¿F6HSDUDWLRQ6FKHPHFURVVLQJZLWKRXWGHVLJQDWHGSUHFDXWLRQDU\DUHD
24
Precautionary area
25.1
,QVKRUH7UDI¿F=RQH ,7= ZLWKGH¿QHGHQGOLPLWV
25.2
,QVKRUH7UDI¿F=RQHZLWKRXWGH¿QHGHQGOLPLWV
26.1
5HFRPPHQGHGGLUHFWLRQRIWUDI¿FÀRZEHWZHHQWUDI¿FVHSDUDWLRQVFKHPHV
26.2
5HFRPPHQGHGGLUHFWLRQRIWUDI¿FÀRZIRUVKLSVQRWQHHGLQJDGHHSZDWHUURXWH
27.1
'HHSZDWHUURXWH ': DVSDUWRIRQHZD\WUDI¿FODQH
27.2
Two-way deep water route, with minimum depth stated
27.3
Deep water route, centerline as recommended one-way or two-way track
28.1
Recommended route, one-way and two-way (often marked by centerline buoys)
28.2
Two-way route, with one-way sections
29.1
Area to be Avoided (ATBA), around navigational aid
29.2
Area to be Avoided, e.g. because of danger of stranding
65
M
Tracks, Routes
Examples of Routing Measures in ECDIS
20.1 25.1 25.1
29.1
18 23 21 20.1
20.1
24
28.1
27.1
26.1
20.2
27.3
26.1
29.2
28.2 22
26.2
27.2
20.3
25.2
27.3
66
20.1
27.3
27.3
Tracks, Routes No.
INT
Description
NOAA
NGA
Other NGA
M
ECDIS
Radar Surveillance Systems 30
Radar surveillance station
31
Radar range
32.1
Radar reference line
Radar station
Ra
Radar range
Ra
Ra
270 deg
Radar line
Non-regulated recommended track EDVHGRQ¿[HGPDUNV Direction not encoded Radar reference line coinciding with a leading line
32.2
90 deg 270 deg
One-way Two-way
Radio Reporting Points
40.1 VHF 80
Radio reporting (calling-in or way) points showing direction(s) of vessel movement with designation (if any) and VHF-channel
Nr 13 ch s74
Radio calling-in point for WUDI¿FLQRQHGLUHFWLRQ only
Nr 13 ch s74
Radio calling-in point for WUDI¿FLQERWKGLUHFWLRQV
Nr 13 Radio calling-in point, ch s74 direction not encoded Nr 13 ch s74
Nr 13 ch s74
40.2
Radio reporting line
Radio calling-in point for WUDI¿FLQRQHGLUHFWLRQ only
Radio calling-in point for WUDI¿FLQERWKGLUHFWLRQV
Nr 13 ch s74 Radio calling-in point, direction not encoded
67
M No.
Tracks, Routes INT
Description
NOAA
NGA
Other NGA
ECDIS
Ferries Ferry
Ferry
50
Ferry
51
Cable Ferry
Ferry route
Cable ferry route
Cable Ferry
Supplementary National Symbols
68
a
Recommended track for deep GUDIWYHVVHOV WUDFNQRWGH¿QHG E\¿[HGPDUNV
b
Depth is shown where it has been obtained by the cognizant authority
c
Alternate course
DW
ft
DW 83ft
DW
76
Areas, Limits INT
No.
Description
NOAA
NGA
Other NGA
N
ECDIS
General * 'UHGJHGDQG6ZHSW$UHDVĺ,6XEPDULQH&DEOHV6XEPDULQH3LSHOLQHVĺ/7UDFNV5RXWHVĺ0
1.1
Maritime limit in general, usually implying permanent physical obstructions (tint band for emphasis)
1.2
Maritime limit in general, usually implying no permanent physical obstructions (tint band for emphasis)
&DXWLRQDUHDDVSHFL¿F caution note applies
Limit of restricted area
2.1
Area where entry is prohibited or restricted or to be avoided
RESTRICTED AREA
Limit of restricted area, with tint band for emphasis
Area where entry is prohibited or restricted or to be avoided, with other cautions
PROHIBITED AREA
Limit of area into which entry is prohibited
2.2
Area where entry is prohibited or restricted or to be avoided, with other information
PROHIBITED AREA
†
Anchorages, Anchorage Areas 10
Anchorage area as a point at small scale, or anchor points of mooring trot at large scale
5HSRUWHGDQFKRUDJH QRGH¿QHG limits)
11.1
Anchor berths
11.2
Anchor berths with swinging circle
14
6
3 D17
No 1
Nr 6
Anchor berth
Radius of swing circle is obtained by cursor pick
* ECDIS represents many types of area limits with just a few different symbols. Information about the type of area and its associated restrictions or prohibitions may be obtained by cursor pick.
69
N No.
Areas, Limits INT
12.1
Description
NOAA
NGA
Other NGA
ECDIS
Anchorage area in general Anchorage
Numbered anchorage area
Anchorage No. 1
Named anchorage area
Neufeld Anchorage
12.4
Deep water anchorage area, Anchorage area for deep draft vessels
DW Anchorage
12.5
Tanker anchorage area
Tanker Anchorage
12.6
Anchorage area for periods up to 24 hours
12.7
Explosives anchorage area
12.2
12.3
Name
EXPLOSIVES ANCHORAGE
QUAR ANCH
12.8
Quarantine Anchorage
Quarantine anchorage area QUARANTINE ANCHORAGE
12.9
Type of anchorage area is obtained by cursor pick
Reserved anchorage area
Note: Anchors as part of the limit symbol are not shown for small areas. Other types of anchorage areas may be shown.
70
13
Seaplane operating area
14
Anchorage for seaplanes
SEAPLANE LANDING AREA
Seaplane landing area
Type of anchorage area is obtained by cursor pick
Areas, Limits No.
INT
Description
NOAA
NGA
Restricted Areas
Other NGA
N
ECDIS
Supplementary national symbols: d, e, g
Area where anchoring is prohibited or restricted
ANCH PROHIBITED
20
ANCH PROHIB
Anchoring prohibited
Area where anchoring is prohibited or restricted, with other cautions
Area where anchoring is prohibited or restricted, with other information
$UHDZKHUH¿VKLQJRU trawling is prohibited or restricted
FISH PROHIB
21.1
Fishing prohibited
FISH PROHIBITED
$UHDZKHUH¿VKLQJRU trawling is prohibited or restricted, with other cautions
$UHDZKHUH¿VKLQJRU trawling is prohibited or restricted, with other information
71
N No.
Areas, Limits INT
Description
21.2
Diving prohibited
22.1
Bird sanctuary
NOAA
NGA
Other NGA
ECDIS
Area where diving is prohibited
Environmentally Sensitive Sea Area (ESSA)
22.2
Seal sanctuary
Area with minor restrictions or information notices
22.3
1RQVSHFL¿FQDWXUHUHVHUYH National parks, Marine Reserves (MR)
22.4
Particularly Sensitive Sea Area (PSSA)
72
PSSA
Areas, Limits INT
No.
Description
Explosives Dumping Ground
NOAA
Explosives dumping ground, individual mine or explosive
EXPLOSIVES DUMPING AREA
Explosives dumping ground (disused), Foul (explosives)
EXPLOSIVES DUMPING AREA DISUSED
24
Dumping ground for chemical waste
Dump Site
25
Degaussing range (DG range)
27
Maximum speed
23.1
23.2
DEGAUSSING RANGE
NGA
Other NGA
N
ECDIS Explosives or chemical dumping ground as a point
Explosives or chemical dumping ground as an area Dumping Ground
DEGAUSSING RANGE
Degaussing area
If a speed restriction exists, the speed limit is obtained by cursor pick
Military Practice Areas
30
Firing practice area
Entry Prohibited
31
Military restricted area, entry prohibited
Restricted area
PROHIBITED AREA
Area where entry is prohibited or restricted or to be avoided, with other cautions
Prohibited Area
†
32
Mine-laying (and countermeasures) practice area
33
Submarine transit lane and exercise area
Restricted area
34
Minefield (see note)
0LQH¿HOG
International Boundaries and National Limits
SUBMARINE EXERCISE AREA
0LQH¿HOG
Supplementary national symbols: a, f, h
CANADA
40
International boundary on land
Jurisdiction boundary
UNITED STATES
73
N
Areas, Limits
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
CANADA
41
International maritime boundary
Jurisdiction boundary
42
Straight territorial sea baseline with base point
Straight territorial sea baseline
43
Seaward limit of territorial sea
44
Seaward limit of contiguous zone
Contiguous zone
45
/LPLWVRI¿VKHU\]RQHV
/LPLWVRI¿VKHU\]RQH
Limit of continental shelf
Continental shelf area
47
Limit of Exclusive Economic Zone (EEZ)
Exclusive economic zone
48
Customs limit
Custom regulations zone
46
49
UNITED STATES
Continental Shelf
Harbor Limit
TERRITORIAL SEA
Harbor limit
Harbor Limit
Various Limits
Territorial sea
Harbor area, symbolized
Supplementary national symbols: a, b
60.1
(2012)
Limit of fast ice, Ice front (with date)
60.2
(2012)
Limit of sea ice (pack ice) seasonal (with date)
Continuous pattern for an ice area (glacier, etc.)
Floating hazard
61
Floating barrier, including log ponds, security barriers, ice booms, shark nets
Log boom
Boom, ice boom
%RRPLFHERRPÀRDWLQJ obstruction, log pond
62.1
Spoil ground
Spoil Area
HO information note
62.2
74
Spoil ground (disused)
Spoil Area Discontinued
Areas, Limits INT
No.
63
Extraction Area
64
Description
NOAA
NGA
Extraction (dredging) area
Other NGA
N
ECDIS
Dredging area
Cargo transhipment area HO information note
65
Incineration area †
Supplementary National Symbols a
COLREGS demarcation line
b
/LPLWRI¿VKLQJDUHD ¿VKWUDS areas)
c
Dumping ground
d
Dumping area (Dump site)
f
Reservation line (Options)
g
Dump site
h
Three Nautical Mile Line
i
No Discharge Zone
Dumping Ground Disposal Area 92 Depths from survey of 2010 85
Dump Site
THREE NAUTICAL MILE LINE
NO-DISCHARGE ZONE
75
P No.
Lights INT
Description
NOAA
NGA
Other NGA
ECDIS
Light Structures and Major Floating Lights 0LQRU/LJKW)ORDWVĺ4
1
Lt
LtHo
Light, lighthouse, paper chart
Major light, minor light, light, lighthouse
2
Lighted offshore platform
3
Lighted beacon tower
4
Lighted beacon
5
Articulated light, buoyant beacon, resilient beacon
6
0DMRUÀRDWLQJOLJKW OLJKWYHVVHO PDMRUOLJKWÀRDW/$1%<
PLATFORM (lighted)
Marker (lighted)
76
Navigational lights on landmarks or other structures
8
Important light off chart limits
Lighted beacon tower, paper chart
Lighted beacon, paper chart Art
1RWH 0LQRUOLJKWV¿[HGDQGÀRDWLQJXVXDOO\FRQIRUPWR,$/$0DULWLPH%XR\DJH6\VWHPFKDUDFWHULVWLFV
7
Lighted offshore platform, paper chart
Light vessel, paper chart
Lights No.
Abbreviation INT
Class of light
NOAA
Illustration
Period shown
P
ECDIS
Light Characters /LJKW&KDUDFWHUVRQ/LJKW%XR\Vĺ4
10.1
F
F
Fixed
F
Occulting (total duration of light longer than total duration of darkness)
10.2
Oc
Oc
Single-occulting
Oc(2) Example
Oc (2)
Group-occulting
Oc(2+3) Example
Oc (2+3)
Composite group-occulting
Oc
Oc (2) Oc (2+3)
Isophase (duration of light and darkness equal)
10.3
Iso
Iso
Isophase
Iso
Flashing (total duration of light shorter than total duration of darkness)
10.4
10.5
Fl
Fl
6LQJOHÀDVKLQJ
Fl(3) Example
Fl (3)
*URXSÀDVKLQJ
Fl(2+1) Example
Fl (2+1)
LFl
L Fl
Fl Fl (3) Fl (2+1)
&RPSRVLWHJURXSÀDVKLQJ /RQJÀDVKLQJ ÀDVKVRUORQJHU
L FL
When text for lights is displayed, ECDIS uses INT abbreviations.
4XLFN UHSHWLWLRQUDWHRIWR XVXDOO\HLWKHURUÀDVKHVSHUPLQXWH
10.6
Q
Q
Q(3) Example
Q (3)
IQ
IQ
Continuous quick Group quick Interrupted quick
Q Q(3) IQ
9HU\TXLFN UHSHWLWLRQUDWHRIWR XVXDOO\HLWKHURUÀDVKHVSHUPLQXWH
10.7
VQ
VQ
VQ(3) Example
VQ (3)
IVQ
IVQ
Continuous very quick Group very quick
VQ VQ(3)
Interrupted very quick
8OWUDTXLFN UHSHWLWLRQUDWHRIRUPRUHXVXDOO\WRÀDVKHVSHUPLQXWH
10.8
UQ
UQ
Continuous ultra quick
IUQ
IUQ
Interrupted ultra quick
77
P No.
Lights Abbreviation INT
NOAA
10.9
Mo(K) Example
Mo (K)
10.10
FFl
F Fl
10.11
Al.WR
AlWR
No.
INT
11.1
W
Class of light
Period shown
Illustration
ECDIS Mo (K)
Morse Code
F Fl
When text for lights is displayed, ECDIS uses INT abbreviations.
Other NGA
ECDIS
)L[HGDQGÀDVKLQJ W
Alternating
Description
R
W
NOAA
White (only on sector and alternating lights)
R
W
R
NGA
Al WR
Colors of lights shown Default light symbol if no color is encoded or color is other than red, green, white, yellow, amber, or orange
on standard charts
11.2
R
Red
11.3
G
Green
11.4
Bu
Blue
11.5
Vi
Violet
11.6
Y
Yellow
11.7
Y
Or
Orange
11.8
Y
Am
Amber
2.5s
90s
Period in seconds and tenths of a second
on multicolored charts
Red Green White, yellow, amber or orange
on multicolored charts at sector lights
Sector lights
Period 12 Elevation 3ODQHRIUHIHUHQFHIRU+HLJKWVĺ+7LGDO/HYHOVĺ+
13
12m
Elevation of light given in meters or feet
15M
Light with single range
36ft
When text for lights is displayed, ECDIS uses INT abbreviations.
Range
14
15/10M
Light with two different ranges
15-7M
Light with three or more ranges
Note: Charted ranges are nominal ranges given in Nautical Miles. 78
10M only lesser of two ranges is charted 7M only least of three ranges is charted
15/10M
Lights INT
No.
Description
NOAA
NGA
Other NGA
P
ECDIS
Disposition
15 ( )
(hor)
Horizontally disposed
(vert)
Vertically disposed ( )
Disposition of light is obtained by cursor pick
3 lights disposed in the shape of a triangle
Example of a Full Light Description INT Example
NOAA Example
NGA Example
FlR15s21m11M
ft
16
Fl(3)
&ODVVRIOLJKW JURXSÀDVKLQJUHSHDWLQJDJURXSRI WKUHHÀDVKHV
Fl(3)
&ODVVRIOLJKW JURXSÀDVKLQJUHSHDWLQJDJURXSRI WKUHHÀDVKHV
WRG
Colors: white, red, green, exhibiting the different FRORUVLQGH¿QHGVHFWLRQV
WRG
Colors: white, red, green, exhibiting the different FRORUVLQGH¿QHGVHFWLRQV
15s
Period: the time taken to exhibit one full sequence of WKUHHÀDVKHVDQGHFOLSVHV VHFRQGV
15s
Period: the time taken to exhibit one full sequence of WKUHHÀDVKHVDQGHFOLSVHV VHFRQGV
21m
Elevation of focal plane above datum: 21 meters
15-11M
Nominal range: white 15M, green 11M, red between 15 and 11M
The descriptions of non-sector lights are shown in ECDIS when the display of text is turned on, as shown above. (The aid to navigation or other strucWXUHWKDWLVDOZD\VVKRZQDWWDFKHGWRDOLJKWÀDUHLQ ECDIS is not depicted here.) Sector lights (as described in the INT, NOAA and NGA examples at left) are depicted graphically in ECDIS, as shown below and in P40.
Elevation of light: 21ft
21 feet
21m
21 meters
The description of a sector light or any other type of light may always be obtained by cursor pick.
Nominal range: 11M
shortest range of all the lights is 11M
15-11M
white 15M, green 11M, red between 15 and 11M
79
P No.
Lights INT
Description
NOAA
NGA
Other NGA
ECDIS
Lights Marking Fairways Leading Lights and Lights in Line
Leading lights with leading line (solid line is the track to be followed) and arcs of visibility
20.1
22
5.
3
de
g
Leading lights with sectors
Lts in line 270°
Bearing given in degrees and tenths of a degree
/HDGLQJOLJKWV PHDQVOLJKWV in line)
20.2
Oc OcR
Leading lights
Leading lights on small scale charts
20.3
FlG Lights in line, marking the sides of a channel
21
80
270 deg
Bearing given in degrees and tenths of a degree
22
Rear Lt or Upper Lt
Rear or upper light
23
Front Lt or Lower Lt
Front or lower light
FlG
2FlR
270 deg
270 deg
Lights in line, marking the sides of a channel
Lights No.
INT
Description
NOAA
NGA
Other NGA
P
ECDIS
Direction Lights
269 deg
GREE N
30.1
RED
Directional light with sector Direction light with narrow sector and course to be followed, ÀDQNHGE\GDUNQHVVRU XQLQWHQVL¿HGOLJKW
209 deg
Directional light without sector
Direction light with course to be followed, sector(s) uncharted
16
30.2
5.5 g
de
Fl(2)5s11M
30.3
Oc12s6M
Direction light with narrow IDLUZD\VHFWRUÀDQNHGE\OLJKW sectors of different character on standard charts Light, directional
30.4
Direction light with narrow IDLUZD\VHFWRUÀDQNHGE\OLJKW sectors of different character on multicolored charts
31
Moiré effect light (day and night), arrows show when course alteration needed
FY
270 deg
Category of light as moiré effect is obtained by cursor pick
Note: Quoted bearings are always from seaward.
81
P
Lights
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
Sector Lights
40.1
Sector light on standard charts
Light, sector
40.2
Sector light on multicolored charts
41.1
Sector lights on standard charts, the white sector limits marking the sides of the fairway
41.2
Sector lights on multicolored charts, the white sector limits marking the sides of the fairway
82
Lights No.
INT
Description
NOAA
NGA
Other NGA
P
ECDIS Light, danger
Main light visible all-round with red subsidiary light seen over danger
RED
42
Light, obscured
All-round light with obscured sector
44
Light with arc of visibility deliberately restricted
Light, restricted
45
Light with faint sector
Light, faint
OBSC
43
83
P
Lights INT
No.
Description
NOAA
NGA
Other NGA
ECDIS ,QWHQVL¿HGOLJKWYLVLELOLW\LVREWDLQHGE\ cursor pick
46
/LJKWZLWKLQWHQVL¿HGVHFWRU /LJKWLQWHQVL¿HG 9
Lights with Limited Times of Exhibition 50
Lights exhibited only when speFLDOO\QHHGHG IRU¿VKLQJYHVVHOV ferries) and some private lights
51
Daytime light (charted only where the character shown by day differs from that shown at night)
52
Fog light (exhibited only in fog, or character changes in fog)
53
Occas
F R (occas)
F Bu 9m 6M (F by day)
Status and condition of light is obtained by cursor pick
Unwatched (unmanned) light with no standby or emergency arrangements
†
54
(temp)
Temporary
55
(exting)
Extinguished
Special Lights )ODUH6WDFN DVVHD ĺ/)ODUH6WDFN RQODQG ĺ(6LJQDO6WDWLRQVĺ7
60
Aero light (may be unreliable)
Air obstruction light of high intensity (e.g. on radio mast)
61.1 †
Air obstruction light of low intensity (e.g. on radio mast)
61.2 62 63
84
Fog Det Lt (Illuminated)
Fog detector light )ORRGOLWÀRRGOLJKWLQJRID structure
AERO
AERO Al WG 7.5s 108m 13M
AERO F R 77m 11M
AeroAlFlWG7.5s11M Light AERO
AeroFR313m11M
Conspicuous mast with light
TR (RLts) Category of light is obtained by cursor pick Floodlight
Lights No.
INT
64
Description
NOAA
NGA
Other NGA
Strip light
65
(priv)
Private light other than one exhibited occasionally
66
(sync)
Synchronized light
P
ECDIS
Strip light
Priv
F R (priv)
Priv maintd
Status of private is obtained by cursor pick
Supplementary National Symbols a
Riprap surrounding light
b
Short-Long Flashing
c
Group-Short Flashing
d
Fixed and Group Flashing
F Gp Fl
e
8QPDQQHGOLJKWYHVVHO OLJKWÀRDW
FLOAT
f
LANBY, superbuoy as navigational aid
S-L Fl
G-S Fl
85
6LPSOL¿HGDQG7UDGLWLRQDO³3DSHU&KDUW´6\PEROV ECDIS ECDIS can be set to display aids to navigation with either traditional “paper chart” or VLPSOL¿HGV\PEROV7KHWZRV\PEROVHWVDUHVKRZQEHORZ6RPH(&',6FRORU¿OOWKH SDSHUFKDUWEXR\VKDSHVEXWWKLVLVQRWUHTXLUHGE\,+2(&',6SRUWUD\DOVSHFL¿FDtions.
Fixed Marks Paper Chart
6LPSOL¿HG
6LPSOL¿HG6\PERO1DPH
*
Cardinal beacon, north
6LPSOL¿HG6\PERO1DPH
*
Cardinal beacon, east
*
Cardinal buoy, north
*
Cardinal beacon, south
*
Cardinal buoy, east
*
Cardinal beacon, west
*
Cardinal buoy, south
*
Cardinal buoy, west
Floating Marks Paper Chart
6LPSOL¿HG
'HIDXOWV\PEROIRUDEHDFRQ XVHGZKHQQRGH¿QLQJ attributes have been encoded in the ENC) Isolated danger beacon Major lateral beacon, red
'HIDXOWV\PEROIRUEXR\ XVHGZKHQQRGH¿QLQJDWWULEXWHV have been encoded in the ENC)
Major lateral beacon, green
Isolated danger buoy
*
Conical lateral buoy, green
Minor lateral beacon, green
Conical lateral buoy, red
Major safe water beacon
Can shape lateral buoy, green
Minor safe water beacon
Can shape lateral buoy, red
Major special purpose beacon Minor special purpose beacon
Installation buoy and mooring buoy
* Paper chart symbols display various buoy or beacon shape symbols in conjunction with the topmark. 6LPSOL¿HGSRUWUD\DORQO\GLVSOD\VWKHWRSPDUN
6HYHUDOGLIIHUHQWSDSHUFKDUWV\PEROVFRUUHVSRQGWRWKLVVLPSOL¿HGV\PERO
**
Safe water buoy Special purpose buoy, spherical or barrel shaped, or default symbol for special purpose buoy
Day Marks Paper Chart
6LPSOL¿HG
6LPSOL¿HG6\PERO1DPH
Special purpose TSS buoy marking the starboard side of the WUDI¿FODQH 6SHFLDOSXUSRVH766EXR\PDUNLQJWKHSRUWVLGHRIWKHWUDI¿F lane
Square or rectangular daymark
Special purpose ice buoy or spar or pillar shaped buoy
Triangular daymark, point up
Super-buoy ODAS & LANBY
Triangular daymark, point down
/LJKWÀRDW 5HWURUHÀHFWRU Light vessel
86
Buoys, Beacons INT
No.
Description
NOAA
NGA
Other NGA
Q
ECDIS
Buoys and Beacons ,$/$0DULWLPH%XR\DJH6\VWHPZKLFKLQFOXGHV%HDFRQVĺ4 Default symbol for buoy, paper chart
Default buoy symbol if no other GH¿QLQJDWWULEXWLRQLVSURYLGHG
Default symbol for buoy, VLPSOL¿HG Default symbol for a beacon, paper chart
Default beacon symbol if no RWKHUGH¿QLQJDWWULEXWLRQLV provided
1
Default symbol for a EHDFRQVLPSOL¿HG ECDIS shows the position of buoys and beacons with a circle at the bottom of paper chart symbols. )RUVLPSOL¿HGV\PEROVWKHSRVLWLRQRIWKHDLG corresponds with the center of the symbol.
Position of buoy or beacon
Colors of Buoys and Beacon Topmarks
Supplementary national symbols: p
$EEUHYLDWLRQVIRU&RORUVĺ3
2
*UHHQDQGEODFN V\PEROV¿OOHG black)
G
3
Single color other than green and black
R
4
Multiple colors in horizontal bands, the color sequence is from top to bottom
RG
5
Multiple colors in vertical or diagonal stripes, the darker color LVJLYHQ¿UVW
RW
5HWURUHÀHFWLQJPDWHULDO
6
5HWURUHÀHFWRU
1RWH 5HWURUHÀHFWLQJPDWHULDOPD\EH¿WWHGWRVRPHXQOLWPDUNV&KDUWVGRQRWXVXDOO\VKRZLW8QGHU,$/$5HFRPPHQGDWLRQVEODFNEDQGVZLOODSSHDUEOXHXQGHUDVSRWOLJKW
Lighted Marks 0DUNVZLWK)RJ6LJQDOVĺ5
7
Lighted marks on standard charts
8
Lighted marks on multicolored charts
Fl G
Fl R
Fl R R
87
Q No.
Buoys, Beacons INT
Description
NOAA
NGA
Other NGA
ECDIS
7RSPDUNVDQG5DGDU5HÀHFWRUV )RU$SSOLFDWLRQRI7RSPDUNVZLWKLQWKH,$/$6\VWHPĺ4)RURWKHUWRSPDUNV VSHFLDOSXUSRVHEXR\VDQGEHDFRQV ĺ4 Paper chart symbols for topmarks (on the left, below) are always displayed above a buoy or beacon shape symbol, as in Q 10 and Q 11. 6LPSOL¿HGV\PEROV RQWKHULJKWEHORZ IRUFDUGLQDO marks, isolated dangers and safe water consist of only the topmark without the buoy shape symbol. 6LPSOL¿HGV\PERORJ\IRUPDUNVZLWKDQ\RWKHUW\SH RIWRSPDUNZLOOGLVSOD\RQO\WKHVLPSOL¿HGEXR\RU beacon shape symbol without a topmark. 2 cones point upward 2 cones point downward 2 cones base to base 2 cones point to point 2 spheres
IALA System buoy topmarks (beacon topmarks shown upright)
9
Sphere Cone point up Cone point down Cylinder, square, vertical rectangle X-shape Flag or other shape Board, horizontal rectangle Cube point up Upright cross over a circle T-shape
10
No2
Beacon with topmark, color, radar UHÀHFWRUDQGGHVLJQDWLRQ
11
No3
Buoy with topmark, color, radar UHÀHFWRUDQGGHVLJQDWLRQ
G Ǝ3Ǝ Ra Ref
No 3
1RWH 5DGDUUHÀHFWRUVRQÀRDWLQJPDUNVXVXDOO\DUHQRWFKDUWHG(&',6GRHVQRWGLVSOD\UDGDUUHÀHFWRUVRQ¿[HGRUÀRDWLQJDLGV WKLVLQIRUPDWLRQLVREWDLQHGE\FXUVRUSLFN
88
bn No 2
Beacon in general with topmark, paper chart
by No 3
Conical buoy with topmark, paper chart
Buoys, Beacons INT
No.
Description
NOAA
NGA
Other NGA
Q
ECDIS
Buoys Shapes of Buoys )HDWXUHV&RPPRQWR%XR\VDQG%HDFRQVĺ4± Paper Chart
6LPSOL¿HG
20
Conical buoy, nun buoy, ogival buoy
N
Conical buoy
21
Can buoy or cylindrical buoy
C
Can buoy
22
Spherical buoy
SP
Spherical buoy
23
Pillar buoy
P
Pillar buoy
24
Spar buoy, spindle buoy
S
Spar buoy
25
Barrel buoy, tun buoy
Barrel buoy Super-buoy
26
Superbuoy
Lanby, super-buoy Super-buoy odas & lanby
Minor Light Floats 30
31
†
/LJKWÀRDWDVSDUWRI,$/$6\VWHP
/LJKWÀRDW
/LJKWÀRDWQRWSDUWRI,$/$ System
/LJKWÀRDW
89
Q
Buoys, Beacons
No.
INT
Description
NOAA
NGA
Other NGA
Mooring Buoys
ECDIS
Supplementary national symbols: m, n
2LORU*DV,QVWDOODWLRQ%XR\ĺ/ Mooring buoy, can shape, paper chart
40
Mooring buoy, barrel shape, paper chart
Mooring buoys
Installation buoy and PRRULQJEXR\VLPSOL¿HG
41
Lighted mooring buoy (example)
42
Trot, mooring buoys with ground tackle and berth numbers
Nr 1
Tel
Tel
T
T T = telephonic
44
45
90
Numerous moorings (example)
V
Visitors’ mooring
Trot, mooring buoys with ground tackle and berth numbers
Mooring buoy, can shape, paper chart
Tel = telegraphic
Mooring buoy with telegraphic or telephonic communication
43
Mooring buoy with light ÀDUHEDUUHOVKDSHSDSHU chart
Fl Y 2s
Numerous mooring buoys
Mooring buoy, barrel shape, paper chart Installation buoy and PRRULQJEXR\VLPSOL¿HG
(5 buoys)
Moorings
Small craft mooring area
Availability of visitor moorings at marina is obtained by cursor pick
Buoys, Beacons INT
No.
Description
NOAA
NGA
Other NGA
Q
ECDIS
Special Purpose Buoys Note: Shapes of buoys are variable. Lateral or Cardinal buoys may be used in some situations. Purpose of buoy and other information is obtained by cursor pick
50
Firing danger area (Danger Zone) buoy
51
Target
52
Marker Ship
53
Barge
54
DG
Degaussing Range buoy
55
Cable
Cable buoy
56
Spoil ground buoy
57
Buoy marking outfall
Conical buoy with topmark, paper chart
Special purpose buoy, spherical or barrel shaped, or default symbol for special SXUSRVHEXR\VLPSOL¿HG
7HO
Super-buoy, paper chart
ODAS buoy (Ocean Data Acquisition System), data collecting buoy
58
ODAS
ODAS
Super-buoy odas & ODQE\VLPSOL¿HG Spherical buoy, paper chart Spherical buoy, simpli¿HG Conical buoy with topmark, paper chart
59
Buoy marking wave recorder or current meter
60
Seaplane anchorage buoy
61
%XR\PDUNLQJWUDI¿FVHSDUDWLRQ scheme
62
Buoy marking recreation zone
63
BuY
BuY
Al.Oc.BuY.3s
Special purpose buoy, spherical or barrel shaped, or default symbol for special SXUSRVHEXR\VLPSOL¿HG AERO
Conical buoy, paper chart
Conical buoy with topmark, paper chart
Emergency wreck marking buoy (EWMB)
91
Q
Buoys, Beacons
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
Seasonal Buoys (occas)
70
71
Y
Buoy privately maintained (example)
3ULY (01.04.– Y 31.10.)
Status as private is obtained by cursor pick
Status as periodic and period start and stop dates are obtained by cursor pick
Seasonal buoy (example)
Beacons
Supplementary national symbols: o
/LJKWHG%HDFRQVĺ3)HDWXUHV&RPPRQWR%HDFRQVDQG%XR\Vĺ4± Default symbol for a beacon, paper chart
80
Beacon in general, characteristics unknown or chart scale too small to show
Bn
Bn
G
Bn R
Default symbol for a EHDFRQVLPSOL¿HG Beacon in general, paper chart
81
Beacon with color, no distinctive topmark
R G
RW Bn
Beacon color is obtained by cursor pick Beacon color is obtained by cursor pick See note at Q 9 for information about topmarks and (&',6VLPSOL¿HGV\PERORJ\ Beacon in general with topmark, paper chart Major red lateral beacon, VLPSOL¿HG
82
Beacons with colors and topmarks (examples)
Beacon in general with topmark, paper chart Cardinal beacon, north, VLPSOL¿HG Beacon in general with topmark, paper chart Isolated danger beacon, VLPSOL¿HG
83
Beacon on submerged rock with colors (topmark as appropriate)
Beacon in general with topmark, paper chart Isolated danger beacon, VLPSOL¿HG
92
Buoys, Beacons INT
No.
Description
NOAA
NGA
Other NGA
Q
ECDIS
Minor Impermanent Marks Usually in Drying Areas (Lateral Marks of Minor Channels) 0LQRU3LOHĺ)
90
†
Stake
Stake
†
Pole
Pole
Stake, pole Port Hand
R
Starboard Hand
91
Minor, stake or pole beacon, paper chart Minor, stake or pole beacon, paper chart
Perch, withy R
92
†
†
Minor red lateral beacon, VLPSOL¿HG Minor green lateral EHDFRQVLPSOL¿HG
Withy
Minor Marks, Usually on Land /DQGPDUNVĺ(
100
Cairn
Cairn
CAIRN
Conspicuous cairn Square or rectangular day mark, paper chart Square or rectangular GD\PDUNVLPSOL¿HG Triangular day mark, point up, paper chart
101
Colored or white mark Triangular day mark, SRLQWXSVLPSOL¿HG Triangular day mark, point down, paper chart Triangular day mark, SRLQWGRZQVLPSOL¿HG
102.1 102.2
†
Colored topmark (color known or unknown) with function of a beacon
†
Painted boards with function of leading beacons
93
Q
Buoys, Beacons
No.
INT
Description
NOAA
NGA
Other NGA
ECDIS
Beacon Towers Beacon tower, paper chart
110
Beacon towers without and with topmarks and colors (examples)
Beacon tower with topmarks, paper chart
RW Bn
Major red lateral beacon, VLPSOL¿HG Major green lateral EHDFRQVLPSOL¿HG
111
Lattice beacon, paper chart
Lattice beacon
Special Purpose Beacons /HDGLQJ/LQHV&OHDULQJ/LQHVĺ0 Note: Topmarks and colors shown where scale permits.
120
Leading beacons
Bns in line 270°
270 deg
121
Beacons marking a clearing line
Bns in line 270°
270 deg
MARKERS
122
Beacons marking measured distance with quoted bearings
Cable landing beacon (example)
124
Refuge beacon
125
Firing danger area beacons
126
Notice board
94
Beacons marking a clearing line or transit
270 deg
MARKERS
Beacons marking measured distance
COURSE 270°00' TRUE
123
Leading beacons
W
270 deg
Cable landing beacon (example)
3XUSRVHDVUHIXJHRU¿ULQJGDQJHU area beacon is obtained by cursor pick
Notice board
Buoys, Beacons
Q
IALA Maritime Buoyage System IALA International Association of Marine Aids to Navigation and Lighthouse Authorities Where in force, the IALA System applies to all fixed and floating marks except landfall lights, leading lights and marks, sectored lights and major floating lights. The standard buoy shapes are cylindrical (can) , conical , spherical , pillar , and spar , but variations may occur, for example: light floats . In the illustrations in Q 130.1, only the standard buoy shapes are used. In the case of fixed beacons (lit or unlit), only the shape of the topmark is of navigational significance. Lateral marks are generally for well-defined channels.
130
There are two international buoyage regions where lateral marks differ. Region A is primarily comprised of the waters surrounding Greenland, Africa, Europe, Australia and Asia (except for Japan, the Republic of Korea and the Philippines). Region B is primarily comprised of the waters surrounding North and South America, Japan, the Republic of Korea and the Philippines.
ECDIS marks the boundary between IALA regions A and B with this symbol:
180°
150°W
120°W
90°W
60°W
30°W
0°
30°E
60°E
90°E
120°E
150°E
180°
60°N
60°N
30°N
30°N
B
130.1
B
Japan Republic of Korea Philippines
0°
0°
A 30°S
30°S
A
60°S
60°S 180°
150°W
120°W
90°W
60°W
30°W
0°
30°E
60°E
90°E
120°E
150°E
180°
95
Q
Buoys, Beacons Port-hand marks are red with cylindrical topmarks (if any). If lit, light is red.
R
Port-hand marks are green with cylindrical topmarks (if any). If lit, light is green.
G
G
G
R Fl G
RGR
R
GRG
G
Fl R
Fl G
INT
Fl R
Fl G
Fl G
G
R
Fl G
G
G
R
G
G
R Fl R
R
R
Fl R
Fl R
G
R
R Fl(2+1)R
Fl(2+1)G
RGR
GRG R
Starboard-hand marks are green with conical topmarks (if any). If lit, light is green.
G G
Starboard-hand marks are red with conical topmarks (if any). If lit, light is red.
R
G R
REGION B
REGION A
All preferred channel marks have horizontal bands of color; the top color indicates the preferred channel.
130.1 R C
Port-hand marks are red with cylindrical topmarks (if any). If lit, light is red.
R C
Port-hand marks are green with cylindrical topmarks (if any). If lit, light is green.
RG C G Fl G
G Fl G
R Fl R
R C
G N
R S
R Fl R
NOAA
G P
G C
GR C
R Fl R
G Fl G
A preferred channel buoy may be a can or conical shape to indicate the preferred channel (in addition to the top color band), but may also have a pillar or spar shape.
R Fl R
RG Fl(2+1)R
GR Fl(2+1)G G N
R N G C
R Fl R
G Fl G
R S
G S
G Fl G
If lit, lights on port-hand and starboard-hand marks may KDYHDQ\UK\WKPVSHFL¿HGH[FHSW)O ZKLFKLVXVHG for preferred channel aids.
G C
G N
Starboard-hand marks are green with conical topmarks (if any). If lit, light is green.
R N R N
Starboard-hand marks are red with conical topmarks (if any). If lit, light is red.
REGION B
REGION A
Direction of Buoyage: The direction of buoyage is that taken when approaching a harbor from seaward. Along coasts, the direction is determined by buoyage authorities, normally clockwise around land masses.
Symbols showing direction of buoyage where it is not obvious
INT General symbol for direction of buoyage
IALA Region A on multicolored charts
IALA Region B on multicolored charts
General symbol for direction of buoyage
IALA Region A
IALA Region B
130.2 ECDIS
96
Q
Buoys, Beacons No.
INT
ECDIS
Cardinal Marks: indicating navigable water to the named side of the marks. In the illustration below all marks are the same in Regions A and B.
N
N
E
W
N
N
VQ or Q
W
E
Topmark: 2 black cones Light: White
Black above yellow VQ(3)5s or Q(3)10s
VQ(9)10s or Q(9)15s YBY
BY
The same abbreviations are used for lights on spar buoys and beacons.
BYB
Point of interest
W
E
S
The periods 5s, 10s, and 15s may not always be charted. Time (seconds)
0
5
10
Paper chart symbology
15
N
Period YBY
YB
YBY
Yellow with black band
YB
Yellow above black
BYB
BYB
Black with yellow band
Cardinal marks are seldom used in U.S. waters and do not appear on NOAA charts, except for charts that also depict Canadian waters.
W VQ(6)+LFl.10s or Q(6)+LFl.15s YB
E
SE
SW
130.3
BY
S S 6LPSOL¿HGV\PERORJ\
97
Q
Buoys, Beacons INT
No.
Description
NOAA
NGA
Other NGA
ECDIS
Pillar buoy with 2 spheres topmark
Isolated Danger Marks stationed over dangers with navigable water around them BRB
BRB
130.4 BRB
BRB
Body: black with red horizontal band(s)
Fl(2)
BR
Spar buoy with 2 spheres topmark
Topmark: 2 black spheres Light: white Isolated danger buoy, VLPSOL¿HG Spherical buoy, paper chart Safe Water Marks such as mid-channel and landfall marks
RW
RW
130.5 RW
RW
Pillar buoy with sphere topmark
RW
Iso or Oc or LFl.10s or Mo(A)
RW
Body: red and white vertical stripes
RW
Topmark (if any): red sphere
Spar buoy with sphere topmark
Light: white
Safe water buoy, VLPSOL¿HG Spherical buoy, paper chart Special Marks not primarily to assist navigation but to indicate special features
130.6
Y
Y
Y
Y
Y
Can buoy
Y
Body (shape optional): yellow*
Al.Oc.BuY.3s* BuY*
Y
Fl.Y BuY*
Topmark (if any): yellow x or upright cross Lights: yellow, rhythm optional* *in special cases yellow may be in conjunction with another color
Y
Conical buoy
Spar buoy with x-shape topmark
Special purpose buoy, VLPSOL¿HG
98
Buoys, Beacons No.
INT
Description
NOAA
NGA
Other NGA
Q
ECDIS
Supplementary National Symbols a
Bell buoy
BELL
BELL
b
Gong buoy
GONG
GONG
c
Whistle buoy
WHIS
WHIS
d
Fairway buoy (red and white vertical stripe)
RW
e
Mid-channel buoy (red and white vertical stripe)
RW
f
Starboard-hand buoy (entering from seaward - US waters)
R ƎƎ
g
Port-hand buoy (entering from seaward - US waters) Bifurcation/Junction buoys
h
G ƎƎ RG
GR
Isolated danger, Wreck or Obstruction buoy
BR
i
Fish trap (area) buoy
Y
j
Anchorage buoy (marks limits)
Y
Square shaped beacons Beacon, color unknown
o
RG Bn
R
Triangular shaped beacons
l
ƎƎ
G
GR Bn
W Bn
B Bn
Bn
Lighted beacon
q
Security barrier
r
6FLHQWL¿FPRRULQJEXR\
s
Float (unlighted)
t
White and blue buoy
Bn
Security barrier
WBuW
99
R No.
Fog Signals INT
Description
NOAA
NGA
Other NGA
ECDIS
General )RJ'HWHFWRU/LJKWĺ3)RJ/LJKWĺ3 Position of a conspicuous point feature with fog signal
1
AIS
Position of fog signal, type of fog signal not stated
Lighted pillar buoy, paper chart with fog signal
Fog Sig
Lighted super-buoy, paper chart with fog signal
Types of Fog Signals, with Abbreviations
Supplementary national symbol: a
10
Explos
Explosive
GUN
11
Dia
Diaphone
',$
12
Siren
Siren
SIREN
13
Horn
Horn (nautophone, reed, tyfon)
HORN
14
Bell
Bell
BELL
15
Whis
Whistle
:+,67/(
16
Gong
Gong
GONG
Type of fog signal and its characteristics are obtained by cursor pick
Examples of Fog Signal Descriptions Note: The fog signal symbol will usually be omitted when a description of the signal is given.
20
Siren at a lighthouse, giving a long blast followed by a short one (N), repeated every 60 seconds
21
Wave-actuated bell buoy
22
Light buoy, with horn giving a single blast every 15 seconds, in conjunction with a wave-actuated whistle
Fl 3s 70m 29M SIREN Mo(N) 60s
BELL
Fl 3s 70m 29M SIREN
Light with fog signal
BELL
Pillar buoy, paper chart with fog signal Paper Chart
Q(6)+LFl 15s HORN(1) 15s WHIS
Q(6)+LFl 15s HORN WHIS
Supplementary National Symbol a 100
Morse Code fog signal
Mo
6LPSOL¿HG Lighted pillar buoy, paper chart with fog signal
Radar, Radio, Satellite Navigation Systems INT
No.
Description
NOAA
NGA
Other NGA
S
ECDIS
Radar 5DGDU6WUXFWXUHV)RUPLQJ/DQGPDUNVĺ(5DGDU6XUYHLOODQFH6\VWHPVĺ0
1
Coast radar station, providing range and bearing service on request
Ra
2
Ramark, radar beacon transmitting continuously
Ramark
3.1 3.2 3.3
†
Radar transponder beacon, with PRUVHLGHQWL¿FDWLRQUHVSRQGLQJ within the 3 cm (X) band
†
Radar transponder beacon, with PRUVHLGHQWL¿FDWLRQUHVSRQGLQJ within the 10 cm (S) band
Radio station
RACON
†
Radar transponder beacon, with PRUVHLGHQWL¿FDWLRQ
Racon (Z) (3 & 10 cm)
Radar transponder beacon with sector of obscured reception
Radar transponder beacon
3.4 Radar transponder beacon with sector of reception
Leading radar transponder beacons (‡: objects in line)
3.5 Leading radar transponder beacons coincident with leading lights Paper Chart
3.6
Radar transponder beacons on ÀRDWLQJPDUNV
RACON (–) 5ƎƎ Fl R 4s
4
5DGDUUHÀHFWRU
Ra Ref
5
Radar conspicuous feature
Ra (conspic)
Racon
6LPSOL¿HG Radar transponder on ÀRDWLQJPDUN
Symbol indicating this object is radar conspicuous
101
S
Radar, Radio, Satellite Navigation Systems INT
No.
Description
NOAA
NGA
Other NGA
ECDIS
Radio 5DGLR6WUXFWXUHV)RUPLQJ/DQGPDUNVĺ(5DGLR5HSRUWLQJ &DOOLQJLQRU:D\ SRLQWVĺ0 Circular (non-directional) marine or aeromarine radiobeacon
†
†
Directional radiobeacon with bearing line
†
†
Directional radiobeacon coincident with leading lights
10
†
RC
R Bn
†
RD 270° RD
11
12 13
Radio station
Rotating pattern radiobeacon
†
Consol beacon
†
16
CONSOL Bn 190 kHz MMF
†
Coast radio station providing QTG service
†
Aeronautical radiobeacon
†
17.1
$XWRPDWLF,GHQWL¿FDWLRQ6\VWHP transmitter
17.2
$XWRPDWLF,GHQWL¿FDWLRQ6\VWHP WUDQVPLWWHURQÀRDWLQJPDUNV (examples)
18.1
V-AIS
Virtual AIS (with unknown IALAGH¿QHGIXQFWLRQ
18.2
V-AIS
Virtual AIS (with known IALAGH¿QHGIXQFWLRQ
Additional information regarding radio, such as category of radio station, signal frequency, communication channel, call sign, estimated signal range, periodicity and status may be included in the cursor pick.
CONSOL
†
5DGLRGLUHFWLRQ¿QGLQJVWDWLRQ
14 15
RW
†
RDF
†
The presence of an AIS transmitted signal intended for use as an aid to navigation associated with a physical aid, including the AIS MMSI Number, can be obtained by cursor pick on the physical aid.
R
R Sta
†
†
AERO R Bn
North cardinal virtual aid V-AIS
Satellite Navigation Systems WGS
50
51
102
WGS72
WGS84
World Geodetic System, 1972 or 1984
Note: A note may be shown to indicate the shifts of latitude and longitude, to one, two or three decimal places of a minute, depending on the chart scale, which should be made to satellite-derived positions (which are referred to WGS 84) to relate them to the chart. Station providing DGPS corrections
DGPS
DGPS reference station
Services INT
No.
Description
NOAA
NGA
Other NGA
T
ECDIS
Pilotage 1.1
Boarding place, position of a pilot cruising vessel
1.2
Boarding place, position of a pilot cruising vessel, with name (e.g. District, Port)
Name
1.3
Boarding place, position of a pilot cruising vessel, with note (e.g. Tanker, Disembarkation)
(see note)
1.4
Pilots transferred by helicopter
2
†
Pilots
Pilot boarding place
Pilot boarding area
3LORWRI¿FHZLWKSLORWORRNRXW Pilot lookout station
3
3LORWRI¿FH
4
Port with pilotage service (boarding place not shown)
PIL STA
Pilots
Coast Guard, Rescue CG
10
Coast Guard station
Coast guard station R TR CG WALLIS SANDS
11
Coast Guard station with Rescue station
12
Rescue station, Lifeboat station, Rocket station
13
Lifeboat lying at a mooring
14
Refuge for shipwrecked mariners
Coast guard station Rescue station LS S
Rescue station
Signal Stations 20
Signal station in general
21
Signal station, showing LQWHUQDWLRQDOSRUWWUDI¿FVLJQDOV
22
7UDI¿FVLJQDOVWDWLRQ3RUWHQWU\ and departure signals
23
Port control signal station
SS
Sig Sta
Signal station
HECP
103
T
Services INT
No.
24
NOAA
NGA
ECDIS
Bridge passage signal station †
%ULGJHOLJKWVLQFOXGLQJWUDI¿F signals
26
Distress signal station
27
Telegraph station
28
Storm signal station
29
Weather signal station, Wind signal station, National Weather Service (NWS) signal station
30
Ice signal station
31
Time signal station
32.1
Tide scale or gauge
32.2
Automatically recording tide gauge
33
Tide signal station
34
Tidal stream signal station
35
Danger signal station
36
Firing practice signal station
S Sig Sta
NWS SIG STA
Signal station
Tide Gauge
Supplementary National Symbols
104
Other NGA
Lock signal station
25.1 25.2
Description
a
Bell (on land)
BELL
b
Marine police station
MARINE POLICE
c
Fireboat station
FIREBOAT STATION
d
Notice board
e
Lookout station; Watch tower
f
Semaphore
g
Park Ranger station
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105
Index of Abbreviations Note: INT abbreviations are in bold type A
C
abt. . . . . . . . . . . . . . . .About . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D i
C . . . . . . . . . . . . . . . . .Can, cylindrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 21
AERO, Aero . . . . . . . .Aeronautical light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 60-61.1
C. . . . . . . . . . . . . . . . .Cape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aero R Bn . . . . . . . . . .Aeronautical radiobeacon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 16
C . . . . . . . . . . . . . . . . .Cove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aero RC . . . . . . . . . . .Aeronautical radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 16
c . . . . . . . . . . . . . . . . .Coarse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 32
AIS . . . . . . . . . . . . . . .$XWRPDWLF,GHQWL¿FDWLRQ6\VWHP. . . . . . . . . . . . . . . . . . . . . . . S 17.1-17.2
Ca, ca . . . . . . . . . . . . .Calcareous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 38
Al . . . . . . . . . . . . . . . .Alternating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.11
CALM . . . . . . . . . . . . .Catenary Anchor Leg Mooring . . . . . . . . . . . . . . . . . . . . . . . . L 16
ALC . . . . . . . . . . . . . .Articulated Loading Column . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
Cap . . . . . . . . . . . . . . .Capitol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E t
Am . . . . . . . . . . . . . . .Amber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.8
Cas . . . . . . . . . . . . . . .Castle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 34.2
anc . . . . . . . . . . . . . . .Ancient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cb. . . . . . . . . . . . . . . .Cobbles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 8
ANCH, Anch . . . . . . . .Anchorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 20
cbl . . . . . . . . . . . . . . . .Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 46
ANT, Ant . . . . . . . . . . .Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 31
cd . . . . . . . . . . . . . . . .Candela . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 54
approx. . . . . . . . . . . . .Approximate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cem . . . . . . . . . . . . . .Cemetery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 19
Apprs . . . . . . . . . . . . .Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CG . . . . . . . . . . . . . . .Coast Guard station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 10
Apr . . . . . . . . . . . . . . .April . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ch . . . . . . . . . . . . . . . .Chocolate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ba
Apt . . . . . . . . . . . . . . .Apartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E s
Ch. . . . . . . . . . . . . . . .Church . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.1
Arch . . . . . . . . . . . . . .Archipelago. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chan . . . . . . . . . . . . . .Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASL . . . . . . . . . . . . . .Archipelagic Sea Lane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 17
Chem . . . . . . . . . . . . .Chemical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L40.1-40.2
ATBA. . . . . . . . . . . . . .Area To Be Avoided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 29.1
CHY, Chy, Chys . . . . .Chimney(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 22
Aug . . . . . . . . . . . . . . .August . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cir . . . . . . . . . . . . . . . .Cirripedia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ae
auth. . . . . . . . . . . . . . .Authorized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 46.2
Ck . . . . . . . . . . . . . . . .Chalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J f
Ave . . . . . . . . . . . . . . .Avenue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CL . . . . . . . . . . . . . . . .Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 20-21, 26, 28
B
Cl . . . . . . . . . . . . . . . .Clay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 3
B . . . . . . . . . . . . . . . . .Bay, bayou . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
cm . . . . . . . . . . . . . . .Centimeter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 43
B . . . . . . . . . . . . . . . . .Black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 2
Cn . . . . . . . . . . . . . . . .Cinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J p
Bdy Mon . . . . . . . . . . .Boundary mark (monument). . . . . . . . . . . . . . . . . . . . . . . . . . . . B 24
Co . . . . . . . . . . . . . . . .Company . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E u
Bk . . . . . . . . . . . . . . . .Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Co. . . . . . . . . . . . . . . .Coralline Algae . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 10, K 16
bk . . . . . . . . . . . . . . . .Black. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J as
Co Hd . . . . . . . . . . . . .Coral Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J i
bk . . . . . . . . . . . . . . . .Broken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 33
Co rf . . . . . . . . . . . . . .Coral reef . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bkw . . . . . . . . . . . . . . .Breakwater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 4.1
COLREGS . . . . . . . . .International Regulations for Preventing Collisions at Sea . . . . N a
Bl . . . . . . . . . . . . . . . .Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.4
Consol . . . . . . . . . . . .Consol Beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 13
bl. . . . . . . . . . . . . . . . .Black. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J as
constr . . . . . . . . . . . . .Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 32
BM . . . . . . . . . . . . . . .Bench mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 23
Corp . . . . . . . . . . . . . .Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E v
Bn, Bns . . . . . . . . . . .Beacon(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 2, P 4-5, Q 80-81
cov . . . . . . . . . . . . . . .Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L21.2
BnTr, BnTrs . . . . . . . .Beacon tower(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 3, Q 110
cps . . . . . . . . . . . . . . .Cycles per second . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B j
Bo. . . . . . . . . . . . . . . .Boulder(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.2
Cr . . . . . . . . . . . . . . . .Creek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bol . . . . . . . . . . . . . . .Bollard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRD . . . . . . . . . . . . . .Columbia River Datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H j
Br . . . . . . . . . . . . . . . .Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 17
crs. . . . . . . . . . . . . . . .Coarse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 32
br . . . . . . . . . . . . . . . .Brown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J az
c/s . . . . . . . . . . . . . . . .Cycles per second . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B j
brg . . . . . . . . . . . . . . .Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 62
Cswy. . . . . . . . . . . . . .Causeway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 3
brk. . . . . . . . . . . . . . . .Broken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 33
Ct Ho . . . . . . . . . . . . .Courthouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E o
Bu. . . . . . . . . . . . . . . .Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.4
Cup . . . . . . . . . . . . . . .Cupola . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.4 Cus Ho . . . . . . . . . . . .Customs house. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 61 Cy . . . . . . . . . . . . . . . .Clay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 3
106
Index of Abbreviations Note: INT abbreviations are in bold type D
À\ . . . . . . . . . . . . . . . .Flinty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ao
D . . . . . . . . . . . . . . . . .Destroyed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
fm, fms . . . . . . . . . . . .Fathom(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 48
dec . . . . . . . . . . . . . . .Decayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J an
fne. . . . . . . . . . . . . . . .Fine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 30
Dec . . . . . . . . . . . . . . .December . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog Det Lt . . . . . . . . .Fog detector light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 62
Deg . . . . . . . . . . . . . . .Degree(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B n
Fog Sig . . . . . . . . . . . .Fog Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 1
Destr . . . . . . . . . . . . . .Destroyed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FP . . . . . . . . . . . . . . . .Flagpole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 27
dev . . . . . . . . . . . . . . .Deviation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 67
FPSO . . . . . . . . . . . . .)ORDWLQJ3URGXFWLRQ6WRUDJHDQG2IÀRDGLQJ9HVVHO . . . . . . L 17
DF. . . . . . . . . . . . . . . .Direction Finder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fr . . . . . . . . . . . . . . . .Foraminifera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J y
DG . . . . . . . . . . . . . . .Degaussing Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 25, Q 54
Fs, FS . . . . . . . . . . . . .Flagstaff. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 27
DGPS . . . . . . . . . . . . .Differential Global Positioning System . . . . . . . . . . . . . . . . . S 51
Fsh stks . . . . . . . . . . .Fishing stakes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.1
Di . . . . . . . . . . . . . . . .Diatoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aa
FT, ft . . . . . . . . . . . . . .Foot, Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 47, D 20
DIA, Dia . . . . . . . . . . .Diaphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 11
Fu . . . . . . . . . . . . . . . .Fucus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J af
Dir. . . . . . . . . . . . . . . .Direction light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 30-31
G
Discol . . . . . . . . . . . . .Discolored. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K e
G. . . . . . . . . . . . . . . . .Gravel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 6
dist . . . . . . . . . . . . . . .Distant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G. . . . . . . . . . . . . . . . .Green . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.3, Q 2
dk . . . . . . . . . . . . . . . .Dark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bd
G. . . . . . . . . . . . . . . . .Gulf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
dm . . . . . . . . . . . . . . .Decimeter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 42
GAB, Gab . . . . . . . . . .Gable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E i
Dn, Dns . . . . . . . . . . .Dolphin(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 20
GCLWD . . . . . . . . . . .Gulf Coast Low Water Datum. . . . . . . . . . . . . . . . . . . . . . . . . . . H k
Dol . . . . . . . . . . . . . . .Dolphin(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 20
Gl . . . . . . . . . . . . . . . .Globigerina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J z
DW . . . . . . . . . . . . . . .Deep Water route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 27.1, N 12.4
glac . . . . . . . . . . . . . . .Glacial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ap
DZ. . . . . . . . . . . . . . . .Danger Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 50
gn . . . . . . . . . . . . . . . .Green . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J av
E
Govt Ho . . . . . . . . . . .Government House . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E m
E . . . . . . . . . . . . . . . . .East . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 10
Gp Fl. . . . . . . . . . . . . .*URXSÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.4
ED. . . . . . . . . . . . . . . .Existence Doubtful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 1
Gp Oc . . . . . . . . . . . . .Group occulting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.2
EEZ. . . . . . . . . . . . . . .Exclusive Economic Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 47
GPS . . . . . . . . . . . . . .Global Positioning System . . . . . . . . . . . . . . . . . . . . . . . . . . .
Entr . . . . . . . . . . . . . . .Entrance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grd . . . . . . . . . . . . . . .Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J a
ESSA . . . . . . . . . . . . .Environmentally Sensitive Sea Area. . . . . . . . . . . . . . . . . . . . . . N 22
Grs . . . . . . . . . . . . . . .Grass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J v
Est . . . . . . . . . . . . . . .Estuary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
grt. . . . . . . . . . . . . . . .Gross Register Tonnage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
exper. . . . . . . . . . . . . .Experimental. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GT. . . . . . . . . . . . . . . .Gross Tonnage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Explos . . . . . . . . . . . .Explosive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 10
gty. . . . . . . . . . . . . . . .Gritty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J am
Exting, exting . . . . . . .Extinguished . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 55
gy . . . . . . . . . . . . . . . .Gray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bb
F
H
F . . . . . . . . . . . . . . . . .Fixed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.1
H . . . . . . . . . . . . . . . . .Helicopter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 1.4
f . . . . . . . . . . . . . . . . .Fine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 30
h . . . . . . . . . . . . . . . . .Hard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 39
F Fl . . . . . . . . . . . . . . .)L[HGDQGÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.10
h . . . . . . . . . . . . . . . . .Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 49
F Gp Fl . . . . . . . . . . . .Fixed and Group Flashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P f
HAT . . . . . . . . . . . . . . .Highest Astronomical Tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 3
Facty. . . . . . . . . . . . . .Factory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E d
Hbr Mr. . . . . . . . . . . . .Harbormaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 60
FAD . . . . . . . . . . . . . .Fish Aggregating Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HHW . . . . . . . . . . . . . .Higher High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H b
Fd . . . . . . . . . . . . . . . .Fjord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hk . . . . . . . . . . . . . . . .Hulk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F34, K 21, 22
Feb . . . . . . . . . . . . . . .February . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ho . . . . . . . . . . . . . . . .House . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FISH . . . . . . . . . . . . . .Fishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 21
hor . . . . . . . . . . . . . . .Horizontally disposed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
Fl . . . . . . . . . . . . . . . .Flashing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.4
Hor CL . . . . . . . . . . . .Horizontal clearance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 21
À . . . . . . . . . . . . . . . . .Flood. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H q
Hosp . . . . . . . . . . . . . .Hospital. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E g, F 62.2
Fla . . . . . . . . . . . . . . .Flare stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 11
hr . . . . . . . . . . . . . . . .Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 49 107
Index of Abbreviations Note: INT abbreviations are in bold type hrd . . . . . . . . . . . . . . .Hard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 39
Le . . . . . . . . . . . . . . . .Ledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ht. . . . . . . . . . . . . . . . .Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H p
LLW . . . . . . . . . . . . . .Lower Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H e
HW . . . . . . . . . . . . . . .High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H a
Lndg. . . . . . . . . . . . . .Landing for boats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 17
HWF&C . . . . . . . . . . .High Water Full & Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H h
LNG . . . . . . . . . . . . . ./LTXH¿HG1DWXUDO*DV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hz . . . . . . . . . . . . . . . .Hertz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B g
LoLo . . . . . . . . . . . . . .Load-on, Load-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
Long. . . . . . . . . . . . . .Longitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 2
IALA . . . . . . . . . . . . . .International Association of Lighthouse Authorities*. . . . . . . . . . Q 130
LPG . . . . . . . . . . . . . ./LTXH¿HG3HWUROHXP*DV . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IHO . . . . . . . . . . . . . . .International Hydrographic Organization . . . . . . . . . . . . . . . . . .
Lrg . . . . . . . . . . . . . . .Large . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ai
illum . . . . . . . . . . . . . .Illuminated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 63
LS S . . . . . . . . . . . . . .Life saving station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 12
IMO . . . . . . . . . . . . . . .International Maritime Organization . . . . . . . . . . . . . . . . . . . . . .
lt . . . . . . . . . . . . . . . . .Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bc
In. . . . . . . . . . . . . . . . .Inlet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lt Ho . . . . . . . . . . . . . .Light house . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 1
in, ins . . . . . . . . . . . . .Inch(es). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B c
Lt, Lt(s) . . . . . . . . . . .Light(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 1
Inst . . . . . . . . . . . . . . .Institute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E n
Ltd. . . . . . . . . . . . . . . .Limited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E r
INT . . . . . . . . . . . . . . .International . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 2, T 21
LW . . . . . . . . . . . . . . .Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H c
Intens . . . . . . . . . . . . .,QWHQVL¿HG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 46
LWD . . . . . . . . . . . . . .Low Water Datum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H d
IQ . . . . . . . . . . . . . . . .Interrupted quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.6
LWF&C . . . . . . . . . . . .Low Water Full and Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . H i
ISLW . . . . . . . . . . . . . .Indian Spring Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H g
M
Iso . . . . . . . . . . . . . . .Isophase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.3
M. . . . . . . . . . . . . . . . .Mud, muddy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 2
ITZ . . . . . . . . . . . . . . .,QVKRUH7UDI¿F=RQH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 25.1
M. . . . . . . . . . . . . . . . .Nautical mile(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
IUQ . . . . . . . . . . . . . . .Interrupted ultra quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.8
m . . . . . . . . . . . . . . . .Medium (in relation to sand) . . . . . . . . . . . . . . . . . . . . . . . . . . J 31
IVQ . . . . . . . . . . . . . . .Interrupted very quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.7
m . . . . . . . . . . . . . . . .Meter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 41
J
m . . . . . . . . . . . . . . . .Minute(s) of time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 50
Jan . . . . . . . . . . . . . . .January. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ma. . . . . . . . . . . . . . . .Mattes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ag
Jul . . . . . . . . . . . . . . . .July . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
mag. . . . . . . . . . . . . . .Magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 61
Jun . . . . . . . . . . . . . . .June . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magz. . . . . . . . . . . . . .Magazine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E l
K
Maintd. . . . . . . . . . . . .Maintained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 65
K . . . . . . . . . . . . . . . . .Kelp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J u
Mar . . . . . . . . . . . . . . .March . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
kc . . . . . . . . . . . . . . . .Kilocycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B k
Mc. . . . . . . . . . . . . . . .Megacycles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B l
kHz . . . . . . . . . . . . . . .Kilohertz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B h
Mds . . . . . . . . . . . . . . .Madrepores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J j
km . . . . . . . . . . . . . . .Kilometer(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 40
MHHW . . . . . . . . . . . .Mean Higher High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 13
kn . . . . . . . . . . . . . . . .Knot(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 52
MHLW. . . . . . . . . . . . .Mean Higher Low Water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 14
L
MHW. . . . . . . . . . . . . .Mean High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 5
L . . . . . . . . . . . . . . . . .Lake, loch, lough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MHWN . . . . . . . . . . . .Mean High Water Neaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 11
L Fl . . . . . . . . . . . . . . ./RQJÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.5
MHWS . . . . . . . . . . . .Mean High Water Springs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 9
La . . . . . . . . . . . . . . . .Lava . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J l
Mi . . . . . . . . . . . . . . . .Nautical mile(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
Lag . . . . . . . . . . . . . . .Lagoon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
min . . . . . . . . . . . . . . .Minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 46.2
LANBY . . . . . . . . . . . .Large Automatic Navigational Buoy. . . . . . . . . . . . . . . . . . . . P 6
min . . . . . . . . . . . . . . .Minute(s) of time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 50
LASH . . . . . . . . . . . . .Lighter Aboard Ship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mk. . . . . . . . . . . . . . . .Mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 101
LAT . . . . . . . . . . . . . . .Lowest Astronomical Tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 2
Ml . . . . . . . . . . . . . . . .Marl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J c
Lat . . . . . . . . . . . . . . .Latitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 1
MLHW. . . . . . . . . . . . .Mean Lower High Water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 15
Ldg . . . . . . . . . . . . . . .Landing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 17
MLLW . . . . . . . . . . . . .Mean Lower Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 12
Ldg . . . . . . . . . . . . . . .Leading Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 20.3
MLW . . . . . . . . . . . . . .Mean Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 4
*Now known as the International Association of Marine Aids to Navigation and Lighthouse Authorities, the organization formerly called the International Association of Lighthouse Authorities/Association Internationale de Signalisation Maritime (IALA/AISM) continues to use IALA as an abbreviation for its full name. 108
Index of Abbreviations Note: INT abbreviations are in bold type MLWN. . . . . . . . . . . . .Mean Low Water Neaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 10
PA. . . . . . . . . . . . . . . .Position approximate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 7
MLWS . . . . . . . . . . . . .Mean Low Water Springs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 8
Pass . . . . . . . . . . . . . .Passage, Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
mm . . . . . . . . . . . . . . .Millimeter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 44
Pav . . . . . . . . . . . . . . .Pavilion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E p
Mn. . . . . . . . . . . . . . . .Manganese . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J q
PD. . . . . . . . . . . . . . . .Position doubtful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 8
Mo . . . . . . . . . . . . . . .Morse Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.9, R 20
Pk . . . . . . . . . . . . . . . .Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MON, Mon . . . . . . . . .Monument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
PLT STA . . . . . . . . . . .Pilot station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 3
MR . . . . . . . . . . . . . . .Marine Reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 22
Pm . . . . . . . . . . . . . . .Pumice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J m
MRCC. . . . . . . . . . . . .Maritime Rescue and Coordination Center . . . . . . . . . . . . . .
PO . . . . . . . . . . . . . . .3RVWRI¿FH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 63
Ms. . . . . . . . . . . . . . . .Mussels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J s
Po . . . . . . . . . . . . . . . .Polyzoa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ad
MSL . . . . . . . . . . . . . .Mean Sea Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 6
pos, posn . . . . . . . . . .Position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mt . . . . . . . . . . . . . . . .Mountain, Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Post Off. . . . . . . . . . . .3RVWRI¿FH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 63
Mth . . . . . . . . . . . . . . .Mouth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Priv, priv . . . . . . . . . . .Private . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 65, Q 70
MTL. . . . . . . . . . . . . . .Mean Tide Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H f
Prod well . . . . . . . . . .Production well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 20
N
PROHIB . . . . . . . . . . .Prohibited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 2.2
N . . . . . . . . . . . . . . . . .North . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 9
PSSA . . . . . . . . . . . . .Particularly Sensitive Sea Area. . . . . . . . . . . . . . . . . . . . . . . . N 22
N . . . . . . . . . . . . . . . . .Nun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20
Pt . . . . . . . . . . . . . . . .Pteropods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ac
NE. . . . . . . . . . . . . . . .Northeast. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 13
Pyl . . . . . . . . . . . . . . .Pylon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26
NGA . . . . . . . . . . . . . .National Geospatial-Intelligence Agency . . . . . . . . . . . . . . . . . .
Q
NM . . . . . . . . . . . . . . .Nautical miles(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
Q. . . . . . . . . . . . . . . . .Quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.6
NMi . . . . . . . . . . . . . . .Nautical miles(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
QTG . . . . . . . . . . . . . .Service providing DF signals . . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
No. . . . . . . . . . . . . . . .Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 12.2
Quar . . . . . . . . . . . . . .Quarantine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F e
NOAA . . . . . . . . . . . . .National Oceanic and Atmospheric Administration. . . . . . . . . . .
Qz . . . . . . . . . . . . . . . .Quartz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J g
NOS . . . . . . . . . . . . . .National Ocean Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R
Nov . . . . . . . . . . . . . . .November . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R . . . . . . . . . . . . . . . . .Coast radio station providing QTG service . . . . . . . . . . . . . . S 15
Np . . . . . . . . . . . . . . . .Neap tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 17
R . . . . . . . . . . . . . . . . .Radio Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
NT. . . . . . . . . . . . . . . .Net Tonnage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R . . . . . . . . . . . . . . . . .Red. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.2
NTM . . . . . . . . . . . . . .Notice to Mariners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R, r . . . . . . . . . . . . . . .Rock, Rocky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.1, K b
NW . . . . . . . . . . . . . . .Northwest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 15
R Bn . . . . . . . . . . . . . .Circular radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 10
NWS SIG STA . . . . . .National weather service signal station . . . . . . . . . . . . . . . . . . . T 29
R Lts . . . . . . . . . . . . . .Air obstruction lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 61.2
O
R Mast . . . . . . . . . . . .Radio mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 28
Obs Spot. . . . . . . . . . .Observation spot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 21
R Sta. . . . . . . . . . . . . .Radio Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
OBSC, Obscd . . . . . .Obscured. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 43
R Tower . . . . . . . . . . .Radio tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
Obstn . . . . . . . . . . . . .Obstruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 41
R TR, R Tr . . . . . . . . .Radio tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
Oc. . . . . . . . . . . . . . . .Occulting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.2
Ra . . . . . . . . . . . . . . . .Radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 31-32, S 1
Occas. . . . . . . . . . . . .Occasional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 50
Ra . . . . . . . . . . . . . . . .Radar reference line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 32.1
Oct . . . . . . . . . . . . . . .October. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ra (conspic) . . . . . . . .Radar conspicuous object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 5
ODAS . . . . . . . . . . . . .Ocean Data Acquisition System . . . . . . . . . . . . . . . . . . . . . . . Q 58
Ra Ref . . . . . . . . . . . .5DGDUUHÀHFWRU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 4
Or . . . . . . . . . . . . . . . .Orange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.7
Racon. . . . . . . . . . . . .Radar transponder beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . S 3
OVHD . . . . . . . . . . . . .Overhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 28
Radar Sc. . . . . . . . . . .Radar scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.3
Oys . . . . . . . . . . . . . . .Oysters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J r
Radar Tr, RADAR TR Radar tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.2
P
Ramark . . . . . . . . . . . .Radar marker beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 2
P . . . . . . . . . . . . . . . . .Pebbles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 7
RC . . . . . . . . . . . . . . .Circular radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 10
P . . . . . . . . . . . . . . . . .Pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 23
RD . . . . . . . . . . . . . . .Directional radiobeacon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 11
(P). . . . . . . . . . . . . . . .Preliminary (NTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rd . . . . . . . . . . . . . . . .Radiolaria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ab 109
Index of Abbreviations Note: INT abbreviations are in bold type Rd . . . . . . . . . . . . . . . .Road, roadstead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SP. . . . . . . . . . . . . . . .Spherical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 22
rd . . . . . . . . . . . . . . . .Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ay
Sp . . . . . . . . . . . . . . . .spire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.3
RDF . . . . . . . . . . . . . .5DGLRGLUHFWLRQ¿QGLQJVWDWLRQ . . . . . . . . . . . . . . . . . . . . . . . . . . S 14
Sp . . . . . . . . . . . . . . . .Spring tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 16
Ref . . . . . . . . . . . . . . .Refuge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 124
Spg . . . . . . . . . . . . . . .Sponge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J t
Rep . . . . . . . . . . . . . . .Reported. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 3
Spi . . . . . . . . . . . . . . .Spicules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J x
Rf . . . . . . . . . . . . . . . .Reef . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spipe, S’pipe . . . . . . .Standpipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 21
RG . . . . . . . . . . . . . . .5DGLRGLUHFWLRQ¿QGLQJVWDWLRQ . . . . . . . . . . . . . . . . . . . . . . . . S 14
spk . . . . . . . . . . . . . . .Speckled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J al
Rk . . . . . . . . . . . . . . . .Rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.1, K b
SPM . . . . . . . . . . . . . .Single Point Mooring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
Rky . . . . . . . . . . . . . . .Rocky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.1
SS. . . . . . . . . . . . . . . .Signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 20-36
RoRo . . . . . . . . . . . . .Roll-on, Roll-off Ferry (RoRo Terminal) . . . . . . . . . . . . . . . . . F 50
St . . . . . . . . . . . . . . . .Stones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 5
rt . . . . . . . . . . . . . . . . .Rotten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aj
St M, St Mi . . . . . . . . .Statute mile(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B e
Ru, (ru). . . . . . . . . . . .Ruin, ruined. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 8, E 25.2, F33
STA, Sta . . . . . . . . . . .Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 41.1, S 15, T 3
RW . . . . . . . . . . . . . . .Rotating-pattern radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . S 12
stf . . . . . . . . . . . . . . . .Stiff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 36
S
Stg . . . . . . . . . . . . . . .Sea-tangle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J w
S . . . . . . . . . . . . . . . . .Sand. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 1
stk . . . . . . . . . . . . . . . .Sticky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 34
S . . . . . . . . . . . . . . . . .South . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 11
Str . . . . . . . . . . . . . . . .Strait . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S . . . . . . . . . . . . . . . . .Spar, spindle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 24
Str . . . . . . . . . . . . . . . .Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H l
s . . . . . . . . . . . . . . . . .Second(s) of time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 51, P 12
str . . . . . . . . . . . . . . . .Streaky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ak
SALM . . . . . . . . . . . . .Single Anchor Leg Mooring. . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
sub . . . . . . . . . . . . . . .Submarine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K d
SBM . . . . . . . . . . . . . .Single Buoy Mooring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 16
Subm . . . . . . . . . . . . .Submerged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 43.1
Sc . . . . . . . . . . . . . . . .Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.3
SW . . . . . . . . . . . . . . .Southwest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 16
Sc . . . . . . . . . . . . . . . .Scoriae . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J o
sy . . . . . . . . . . . . . . . .Sticky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 34
Sch . . . . . . . . . . . . . . .Schist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J h
T
Sch . . . . . . . . . . . . . . .School. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E f
T . . . . . . . . . . . . . . . . .Short ton(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B m
SD. . . . . . . . . . . . . . . .Sailing Directions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T . . . . . . . . . . . . . . . . .Telephone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E q
Sd . . . . . . . . . . . . . . . .Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T . . . . . . . . . . . . . . . . .TRUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 63
SD. . . . . . . . . . . . . . . .Sounding doubtful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 2
T . . . . . . . . . . . . . . . . .Tufa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J n
SE. . . . . . . . . . . . . . . .Southeast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 14
t . . . . . . . . . . . . . . . . .Ton(s), Tonnage (weight) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 53, F 53
sec . . . . . . . . . . . . . . .Seconds of time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 51
Tel . . . . . . . . . . . . . . . .Telegraph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 27
Sep . . . . . . . . . . . . . . .September . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tel off . . . . . . . . . . . . .7HOHJUDSKRI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E k
sf . . . . . . . . . . . . . . . .Stiff. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 36
Temp, temp . . . . . . . .Temporary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 54
sft . . . . . . . . . . . . . . . .Soft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 35
ten. . . . . . . . . . . . . . . .Tenacious . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aq
Sh . . . . . . . . . . . . . . . .Shells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 11
Tk . . . . . . . . . . . . . . . .Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 32
Shl . . . . . . . . . . . . . . .Shoal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TR, Tr, Trs . . . . . . . . .Tower(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.2, E 20
Si . . . . . . . . . . . . . . . .Silt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 4
TSS. . . . . . . . . . . . . . .7UDI¿F6HSDUDWLRQ6FKHPH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 20.1
Sig . . . . . . . . . . . . . . .Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 1, T 25.2
TT . . . . . . . . . . . . . . . .Tree tops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 14
Sig Sta . . . . . . . . . . . .Signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 20
TV Mast . . . . . . . . . . .Television mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 28
S-L Fl . . . . . . . . . . . . .Short-Long Flashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P b
TV Tower . . . . . . . . . .Television tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
S/M . . . . . . . . . . . . . . .Sand over mud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 12.1
U
sml . . . . . . . . . . . . . . .Small. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ah
ULCC . . . . . . . . . . . . .Ultra Large Crude Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SMt . . . . . . . . . . . . . . .Seamount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uncov . . . . . . . . . . . . .Uncovers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 11
Sn . . . . . . . . . . . . . . . .Shingle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J d
unev . . . . . . . . . . . . . .Uneven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bf
so . . . . . . . . . . . . . . . .Soft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 35
Univ . . . . . . . . . . . . . .University . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E h
Sp . . . . . . . . . . . . . . . .Church spire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.3
UQ . . . . . . . . . . . . . . .Ultra quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.8
110
Index of Abbreviations Note: INT abbreviations are in bold type UTC . . . . . . . . . . . . . .Coordinated Universal Time . . . . . . . . . . . . . . . . . . . . . . . . . . UTM . . . . . . . . . . . . . .Universal Transverse Mercator . . . . . . . . . . . . . . . . . . . . . . . . V v . . . . . . . . . . . . . . . . .Volcanic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 37 var, VAR . . . . . . . . . . .Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 60 vard. . . . . . . . . . . . . . .Varied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J be vel . . . . . . . . . . . . . . . .Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H n vert . . . . . . . . . . . . . . .Vertically disposed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15 Vert CL . . . . . . . . . . . .Vertical clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D20, 28 Vi . . . . . . . . . . . . . . . .Violet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.5 Vil . . . . . . . . . . . . . . . .Village . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 4 VLCC . . . . . . . . . . . . .Very Large Crude Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G 187 vol . . . . . . . . . . . . . . . .Volcanic, Volcano . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 37 Vol Ash . . . . . . . . . . . .Volcanic ash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J k VQ . . . . . . . . . . . . . . .Very quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.7 VTS. . . . . . . . . . . . . . .9HVVHO7UDI¿F6HUYLFH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W W . . . . . . . . . . . . . . . .West . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 12 W . . . . . . . . . . . . . . . .White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.1 Wd . . . . . . . . . . . . . . .Weed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 13.1 Well . . . . . . . . . . . . . .Wellhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 21 WGS . . . . . . . . . . . . . .World Geodetic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 50 Wh . . . . . . . . . . . . . . .White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ar Whf . . . . . . . . . . . . . . .Wharf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 13 WHIS, Whis . . . . . . . .Whistle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 15 Wk, Wks . . . . . . . . . . .Wreck(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 20 Wtr Tr, WTR TR . . . . .Water tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 21 Y Y . . . . . . . . . . . . . . . . .Yellow, Orange, Amber. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.6-11.8 yd, yds . . . . . . . . . . . .Yard(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B d yl . . . . . . . . . . . . . . . . .Yellow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aw μ μs, μsec . . . . . . . . . . .Microsecond(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B f
111
Index A
B
Boat harbor, marina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 11.1
Accurate position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 32
Band, S & X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 3.1-3.2
Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 29.1
Aerial
Bar code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A d
international . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 40-41
cableway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 25
Barge buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 53
Boulders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.2 international . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 40-41
dish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 31
%DUUDJHÀRRG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 43
Aero light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 60
Barrel buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 25
Aeronautical radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 16
Barrier
Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 17
Air obstruction light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 61.1-61.2
ÀRDWLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 29.1, N 61
Breakwater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 4.1-4.3
$LU¿HOG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 17
oil retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 29.2
Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 20-24
Airport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 17
security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 61, Q q
bascule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.4
AIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 17.2-17.2
Bascule bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.4
draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.6
All-round light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 42-43
Basin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 27-28
lifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.3
Alternate course . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M c
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 34.3
OLJKW WUDI¿FVLJQDO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 25.2
Alternating light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.11
%DWWHU\ IRUWL¿FDWLRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 34.3
passage signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 25.1
Amber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11.8
Beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 80-126
pontoon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.5
Anchor berth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 11.1-11.2
articulated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 5
swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.2
Anchorage
buoyant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 5
transporter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 24
mark, monument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 24
areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 10-14
leading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 102.2, 120
under construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D d
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q j
lighted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 3-5
Broken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 33 Brown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J az
for sea-planes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 14
marking a clearing line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 121
Anchoring prohibited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 20
marking measured distance . . . . . . . . . . . . . . . . . . . . . . . . . . Q 122
Buddhist temple, shrine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 16
Annual change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 66
on submerged rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 83
Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 2, 5-6, 8
Anomaly, magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B 81.1-82.2
radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 2-3.6
Buoyage system, IALA . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 130-130.6
Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 31
radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 10-16
Buoyant beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 5
Apartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E s
resilient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 5
Buoys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20-71
Apparent shoreline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C p
topmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 9-11, 102.1
cardinal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3
Approximate
towers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 3, Q 110-111
isolated danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.4
depth contour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 31
Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 62
lateral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.1
height of top of trees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 14
Being reclaimed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 31
marking outfall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 57
position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 7, 33
Bell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 14
marking recreation zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 62
topographic contour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 12
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q a, R 21
PDUNLQJWUDI¿FVHSDUDWLRQVFKHPH . . . . . . . . . . . . . . . . . . . . . . Q 61 mooring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 40-45
vertical clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D i
on land . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T a
Aquaculture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.1-48.2
Benchmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 23
Archipelagic Sea Lane (ASL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 17
Berth
safe water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.5 VFLHQWL¿FPRRULQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q r
Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N
anchor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 11.1-11.2
special purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 50-63
pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.2, L 41.2
designation . . . . . . . . . . . . . . . . . . . . . . . F 19.1, N 11.1-11.2, Q 42
Buried pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 42
restricted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 14, N 2.1
visitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 19.2
Bushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C o
to be avoided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 14, 29.1-29.2
yacht . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 11.2
C
wire drag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 24
Bifurcation buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q h
Articulated Loading Column (ALC) . . . . . . . . . . . . . . . . . . . . . . . . L 12
Bird sanctuary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 22.1
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 55
$UWL¿FLDOLVODQG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 15
Black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . j as, Q 2
distance, unit of . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 46
Ash, volcanic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J k
Blind, duck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K j-k
ferry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 51
Astronomical tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 2-3
Blockhouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 34.2
landing beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 123
$XWRPDWLF,GHQWL¿FDWLRQ6\VWHP $,6 WUDQVPLWWHU . . . . . . S 17.2-17.2
Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J au, P 11.4
overhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26-27, H 20
Awash, rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 12, a
Board (leading beacon) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 102.2
submarine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 30.1-32
Boarding place, pilot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 1.1-1.4
Cableway (aerial) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 25
112
Cable
Index Cairn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 100
Cleared platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 22
topographic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 10-12, H 20
Caisson. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 42
Clearing line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 2
Control point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B 20-24
Calcareous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 38
Clearing line beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 121
Conversion scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A a
Calling-in point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 40.1
Cliffs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 3
Conveyor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F g
Calvary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 12
Coal head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J i
Copyright note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 5
Camping site. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 37.1-37.2
Coarse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 32
Coral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J 10, 22, K 16, h
Can buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 21
Coast
Coral reef
Canal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 40
ÀDW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 5
distance mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 25.1-25.2
radar station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 1
covers and uncovers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 22
Candela . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 54
radio station providing QTG service . . . . . . . . . . . . . . . . . . . . . S 15
detached . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K h
Capitol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E t
steep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 3
Coralline algae . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 10
Cardinal Marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3
Coast Guard station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 10-11
Corner coordinates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 9
Cargo transhipment area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 64
Coastline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 1-8
Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E v
Castle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 34.2
surveyed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 1
Courthouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E o
Casuarina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.6
unsurveyed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 2
Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 21-22, K 11, 16, 21
Cathedral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.1
Cobbles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 8
Crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 53.1-53.3
Causeway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 3
Colored mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 101
Crib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K i-j, L 43, b
Cautionary notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 16
Colored topmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 102.1
Cross . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 12
Cemetery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 19
Colors
Crossing gates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 22
always covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 16
Centimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 43
beacons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 2-5
&URVVLQJWUDI¿FVHSDUDWLRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 23
Chalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J f
buoys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 2-5
Cubic meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B b
Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 21-23
lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 11
Cultivated
Chapel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 11
topmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 2-5
¿HOGV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C l
COLREGS demarcation line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N a
VKHOO¿VK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 47
datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 3, H 1, 20
Columbia River Datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H j
Cultural Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D
number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 1- 2
Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
Cupola . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.4
reference to another . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 18-19
Company . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E u
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 42-43
scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 13
Compass rose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 70
diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H t
title . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 10
Composite
in restricted waters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 42
Chart
Chemical dumping ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 24
JURXSÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.4
Chemical pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.1-40.2
group-occulting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.2
Chimney . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 22
Conical buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20
Chocolate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ba
Conifer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 31.3, j
limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 48
Church . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.1
Consol beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 13
RI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 61
meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 59 Customs house . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 61
dome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.4
Conspicuous landmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 2
Cutting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 14
spire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.3
Conspicuous, radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 5
Cycles per second . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B j
tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.2
Container crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 53.2
Cylindrical buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 21
Cinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J p
Contiguous zone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 44
Cypress buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C r
Circular (non-directional) aeromarine radiobeacon . . . . . . . . . . . S 10
Continental shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 46
D
Circular (non-directional) marine radiobeacon . . . . . . . . . . . . . . . S 10
Continuous
Dam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 44
Cirripedia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ae
quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.6
Danger
Clay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 3
ultra quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.8
¿ULQJDUHD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 30, Q 50, 125
Clearance
very quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.7
isolated mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.4
horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 21
Contour
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 1
safe vertical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26, i
depth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 30-31
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 35
vertical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 20, 23.4, 23.6-28
drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 30
zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 50 113
Index Dangerous rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 13, 14.2
Development area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 4
Duck blind . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K j-k
Deviation
Dumping ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N c, d, g
wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 28
dolphin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 21
Dark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bd
magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 67
explosives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 23.1-23.2
Data collection buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 58
DGPS correction transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 51
Dunes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 8
Datum
chemical waste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 24
Diaphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 11
E
chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 1, 20
Diatoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aa
East . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 10
land survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 7
Diffuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 43
cardinal mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3
sounding reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 1
Dike . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 1
Ebb tide stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 41
Direction
Eddies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 45
Daymark (dayboard) . . . . . . . . . . . . . . . . . . . . . . . . Q 10, 80-81, 110, l Daytime light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 51
of buoyage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.2
Edition note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 6
Deadhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 43.2
¿QGLQJUDGLRVWDWLRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 14
Eelgrass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J t
Decayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J an
RIÀRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 44
Elevation of light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, P 13
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 30.1-31
Ellipsoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 3
tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.1
RIWUDI¿F . . . . . . . . . . . . . . . . . . . . . . . . . . .M 10, 11, 26.1-26.2, 40.1
Embankment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 15
woodland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C i
Directional radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 11
Emergency wreck marking buoy . . . . . . . . . . . . . . . . . . Q 63, Q 130.6
Decimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 42
Directions, compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B
Entry prohibited area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 2.2, 31
Decreasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 64
Discolored water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K e
Environmentally Sensitive Sea Area (ESSA) . . . . . . . . . . . . . . . . N 22
Deep water
Dish aerial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 31
(VWDEOLVKHG PDQGDWRU\ GLUHFWLRQRIWUDI¿FÀRZ . . . . . . . . . . . . M 10, d
Deciduous
anchorage area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 12.4
Disposition of lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
Eucalypt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.8
route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 27.1-27.3
Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B
Evergreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.2
Degaussing range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 25
along waterway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 25.1-25.2
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 54
measured, beacons marking . . . . . . . . . . . . . . . . . . . . . . . . .Q 122
conspicuous landmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 2
Degree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 4, n
Distress signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 26
fog signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 20-22
Depth
Disused
full light description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 16
Example of
charted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20
pipeline/pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 44
contours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 30
platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 14
routing measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 18-29.2
maintained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 23
submarine cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 32
Exclusive Economic Zone (EEZ) . . . . . . . . . . . . . . . . . . . . . . . . . N 47
landmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 1
minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 46.2, M 27.2
Diurnal tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 30
Exercise area, submarine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 33
observed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20
Dock
Existence doubtful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 1
out of position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 11
dry, graving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 25
safe clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 3, 30, f
ÀRDWLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F26
swept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 24, a, b, K 2, 27, 42, f
wet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 27
units used for . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A b
Dolphin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 20-21
unknown . . . . . . . . . . . . . . . . . . . . . . K 3, 13, 23, 28, 30, 40, L 21.1
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.4
Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
Doubtful
Explanatory notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 11, 16 Explosive fog signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 10 Explosives anchorage area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 12.7 dumping ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 23.1-23.2 Extinguished light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 55
Derrick, oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 10
depth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 2
Extraction area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 63
Designation of
existence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I l
F
beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 10
position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 8
Factory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E d
berth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 19.1
Draft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 6, N 12.4
Faint sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 45
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 11
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 20-23
Fairway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 18
platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 2
channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 20-23
Falling tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 30
reporting point. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 40.1
Dredging (extraction) area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 63
tidal stream, position of tabulated data . . . . . . . . . . . . . . . . . . . H 46
Drying
Farm marine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 48.1-48.2
transit shed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 51
contour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 30
wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 6
Detector light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 62
height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, I 15
wind . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 5.2
114
Index Fast ice, limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 60.1
Fog
ÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.4
Fathom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 48
detector light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 62
occulting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.2
Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 47
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 52
quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.6
Fence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D g
signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R
VKRUWÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P c
Ferry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 50-51
Foot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 47
very quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.7
terminal, RoRo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 50
Footbridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D e
Gulf Coast Low Water Datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H k
Filao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.7
Foraminifera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J y
Gulf Stream limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H u
Fine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 30
Foreshore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C c
Gun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 10
Fireboat station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T c
Form lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 13
H
Firing
Fort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 34.2
Hachures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C f
danger area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 30
)RUWL¿HGVWUXFWXUH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 34.1
Harbor
danger area beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 125
Foul
installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 10-34
danger area buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 50
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K o
limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 49
practice signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 36
ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 31.1-31.2
PDVWHU¶VRI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 60
Front light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 23
Harbors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F
Fish haven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 46.1-46.2
Fucus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J af
Hard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 39
marine farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 48.1-48.2
Full Moon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H s
+HDOWKRI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 62.1
trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 44.2-45, Q i
G
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H p
weir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 44.2
Gable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E i
datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 7, 20
Gas
drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, I 15
Fishery zone limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 45 Fishing
pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.1
light (elevation of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, P 13
harbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 10
pipeline area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.2
rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 10-11
OLPLW ¿VKWUDSDUHDV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N b
*DV¿HOG1DPH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 1
spot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 10-11, 13, H 20
prohibited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 21.1
Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 42
of structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 4-5
stakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 44.1
Geographical Positions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 1-16
tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, P 13
Fixed
Glacial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ap
of top of trees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 14
bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 22
Glacier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 25
of wellhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 21.3
ÀDVKLQJDQG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.10, d
Globigerina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J z
Hertz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B g
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P10.1
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A e
High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, a
point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 22
Gong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 16, Q b
High Water Full and Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H h
Flagstaff, Flagpole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 27
Government House . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E m
Higher High Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, b
Flare stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 23, L 11
Grass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C s, J v
Highest Astronomical Tide (HAT) . . . . . . . . . . . . . . . . . . . . . . . . . . H 3
Flashing light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.4
*UDVV¿HOGV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C m
Highway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 10
Flat coast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 5
area with . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 20
markers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D a
Flinty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ao
Gravel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C c, J 6, 20
Hillocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 4
Float . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q s
Graving dock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 25
Horizontal
Floating
Gray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bb
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
barrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 29.1. 29.2
Green . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J av, P 11.3, Q 2
Horizontal clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 21
dock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 26
Greenwich Meridian . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 3
Horizontally disposed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
oil barrier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 29.1
Gridiron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 24
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 13
wind farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 5.2
Gritty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J am
Hospital. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E g, F 62.2
wind turbine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 5.1
Groin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 6.1, 6.3
Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 49
Flood. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H q
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J a
Hulk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 34, K 20-21, 23
barrage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 43 tide (stream) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 40 )ORRGOLWÀRRGOLJKW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 63
tackle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 42 Group
I IALA Maritime Buoyage System . . . . . . . . . . . . . . . . . . . . . . . . . Q 130
¿[HGDQGÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P d 115
Index Ice
Landing
range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 14
boom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 61
beacon (cable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 123
sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 40.1-46
fast (ice front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 60.1
boats, for. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 17
special . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 60-66
sea ice (pack ice) seasonal . . . . . . . . . . . . . . . . . . . . . . . . . N 60.2
seaplanes, for . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 13
structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 1-7
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 30
stairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 18
synchronized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 66
Illuminated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 63
Landmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
times of exhibition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 50-55
Imprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 4
Lane, submarine transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 33
vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6
Inadequately surveyed area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 25
Large . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ai
Light characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.1-10.11
Inch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B c
Large Automatic Navigational Buoy (LANBY) . . . . . . . . . . . . . . .P 6, f
Lighted
Incineration area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 65
Lateral marks (IALA System) . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.1
beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 4, Q o
Increasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 65
Latitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 1
beacon tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 3
Indian Spring Low Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H g
Lattice beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 111
marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 7-8
,QVKRUHWUDI¿F]RQH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 25.1-25.2
Lava . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 26, J 9, l
mooring buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 41
Installations, offshore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L
Layout of chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A
Institute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E n
Leading
offshore platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 2 Lighthouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 1
Intake pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 41.1-41.2, b
beacons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 120
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P
Intense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 46
lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 20.1-23
Lights exhibited only when specially needed . . . . . . . . . . . . . . . . P 50
,QWHQVL¿HGVHFWRU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 46
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 1
Lights in line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 21
Intermittent river . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 21
Least depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 26-27, 30
Lights Marking Fairways . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 20.1-23
in narrow channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 12
Lights with limited times of exhibition . . . . . . . . . . . . . . . . . . . .P 50-55
International boundary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 40-41
Leisure facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U
chart number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 2
Levee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 1
airport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N e
meridian . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 3
Lifeboat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 12-13
area feature in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C q
nautical mile, sea mile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
mooring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 13
area into which entry is prohibited . . . . . . . . . . . . . . . . . . .N 2.2, 31
Interrupted light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 12
contiguous zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 44
quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.6
Lifting bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.3
continental shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 46
ultra quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.8
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J bc
danger line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 1
very quick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.7
arc of visibility, with restricted . . . . . . . . . . . . . . . . . . . . . . . . . . P 44
development area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 4
Intertidal area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 20-22
character. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.1-11.8
dredged area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 20
,VODQGDUWL¿FLDO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 15
chart limits, off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 8
Exclusive Economic Zone (EEZ) . . . . . . . . . . . . . . . . . . . . . . . N 47
Isogonic lines (Isogonals) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 71
color . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 11.1-11.8
fast ice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 60.1
Isolated danger mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.4
description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 16
¿VKHU\]RQH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 45
Isophase light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.3
direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 30.1–31
¿VKLQJDUHD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N b
J
disposition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
Gulf Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H u
Jetty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 14, a-c
elevation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 13
nature reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 22
Joss house . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 15
exhibited only when specially needed . . . . . . . . . . . . . . . . . . . P 50
no discharge zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N i
K
faint sector, with . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 45
restricted area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 14, N 2.1
Kelp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 13.1-13.2, u
ÀRDW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6, Q 30-31
routing measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 14-15
Kilocycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B k
in line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 21
safety zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 3
Kilohertz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B h
LQWHQVL¿HGVHFWRUZLWK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 46
sea ice (pack ice) seasonal . . . . . . . . . . . . . . . . . . . . . . . . . .N 60.2
Kilometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 40
landmarks, on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 7
unsurveyed area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 25
Knot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 52, H o
leading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 20.1-23
Limited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E r
Limit of
PDMRUÀRDWLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6
Linear scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A 14-15
Lake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 23
marking fairway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 20.1-23
Local magnetic anomaly . . . . . . . . . . . . . . . . . . . . . . . . . . .B 81.1-82.2
LANBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6, f
Moiré effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 31
Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 41.1-41.2
Land survey datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 7, 20
period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 12
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 24
L
116
Index Log pond. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 61
Marl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J c
/RQJÀDVKLQJOLJKW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.5
Marsh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 33
Longitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 2
Mast
Lookout
pile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 22 post . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 22 Minute
radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.1
arc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 5
radio, television. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 28
time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 50
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T e
wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 25
Mixed bottom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J 12.2
Low water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 20, c
Mattes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ag
Moiré effect light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 31
Maximum
Mole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 12
pilot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 2
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 30 Lower light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 23
authorized draft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 6
Monument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
Lower low datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H d
speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 27
Moored storage tanker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 17
Lower low water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H e
Mean
Mooring
Lower water full & change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H i
High Water (MHW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 5, 20, 30
berth number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 42
Lowest Astronomical Tide (LAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . H 2
High Water Neaps (MHWN) . . . . . . . . . . . . . . . . . . . . . . . . . . . H 11
canal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F f
M
High Water Springs (MHWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . H 9
ground tackle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 18, Q 42
Madrepores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J j
Higher High Water (MHHW) . . . . . . . . . . . . . . . . . . . . . . . . H 13, 30
life boat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 13
Magazine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E l
Higher Low Water (MHLW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 14
numerous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 44
Magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 61
Low Water (MLW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 4, 20, 30
VFLHQWL¿FPRRULQJEXR\ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q r
anomaly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 82.1-82.2
Low Water Neaps (MLWN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 10
Single Buoy (SBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 16
compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 60-82.2
Low Water Springs (MLWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 8
Single Point (SPM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B 60, 68-71
Lower High Water (MLHW). . . . . . . . . . . . . . . . . . . . . . . . . . . . H 15
trot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 42
Main light visible all-round . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 42
Lower Low Water (MLLW) . . . . . . . . . . . . . . . . . . . . . . H 12, 20, 30
visitors’ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 45
Maintained depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 23
Sea Level (MSL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 6, 20
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 40-45
Major
tide level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H f
lighted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 41
ÀRDWLQJOLJKW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6
Measured Distance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 122
tanker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 16
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 1
Medium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 31
telegraphic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 43
light off chart limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 8
Megacycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B l
Manganese . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J q
Megahertz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B i
Mangrove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 32
Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 41
Marabout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 18
Microsecond . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B f
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.9
Marginal notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A
Mid-channel buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q e
Mosque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 17
Marina. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 11.1
Mile
Motorway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 10
facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U a
telephonic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 43 Morse Code fog signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R a
nautical (sea mile) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 15, B 45
Mud. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 2
statute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 25, e
Muslim shrine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E a
farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 48.1-48.2
three nautical mile line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N h
Mussels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J s
reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 22.3
Military area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 30-34
N
Maritime limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 1.1-1.2
Millimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 44
National
Marker ship buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 52
Minaret . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 17
Marks
Mine (explosive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 23.1
Marine
cardinal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3
Mine (ore extraction). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 36
colored . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 101
0LQH¿HOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 34
isolated danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.4
Mine-laying practice area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 32
lateral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.1
Minor
limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 40-49 park. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 22 Natural features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C watercourse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 16 Nature
lighted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 7-8
impermanent marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 90-92
minor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 90-102.2
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 1, note after P 6
of the seabed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J
safe water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.5
OLJKWÀRDWV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 30-31
Nautical mile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 45
special . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.6
marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 100-102.2
Nautophone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 13
reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 22
117
Index Neap tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 10-11, 17, 30-31
installation buoy, Catenary Anchor Leg Mooring (CALM) . . . . . L 16
Nets, tunny . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.2-45
pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 40.1
buried . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 42.1
New
pipeline area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 40.2
land, on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 29
edition date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 6
2LO¿HOGZLWKQDPH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 1
overhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 28
moon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H r
One-way track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 5.1-5.2, 27.3
submarine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.1-44
Nipa palm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 31.5
Ooze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J b
tunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 42.2
No anchoring area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 20
Opening bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 23.1
Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 2, 10,13-14, 22, P 2
No bottom found . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 13
Orange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ax, P 11.7
cleared . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 22
No discharge zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N i
Ordnance, unexploded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K p
Non-dangerous wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 29
Outfall
Pipeline
submerged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K l Point
Non-directional radiobeacon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 10
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 57
base point for territorial sea baseline . . . . . . . . . . . . . . . . . . . . N 42
Non-tidal basin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 27
pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 41.1-41.2
¿[HG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 22
North . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 9
Overfalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 44
Single Point Mooring (SPM) . . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
Overhead
symbols, position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B 32-33
cardinal mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3 Northeast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 13
cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 27
triangulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 20
Northwest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 15
pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 28
Pole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 90
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 11, 16
transporter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 25
Police station, marine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T b
Notice board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 126, T d
Oysters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J r
Polyzoa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ad
Notice to mariners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 7
P
Pontoon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 16
Nun buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20
Pack ice, limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 60.2
O
Pagoda . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 14
Obelisk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
Painted board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 102.2
Obscured sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 43
Palm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 31.4
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 21-23
Observation
Park ranger station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T g
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F
platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 13
Particularly Sensitive Sea Area (PSSA) . . . . . . . . . . . . . . . . . . . . N 22
Position
spot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 21
Patent slip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 23
accurate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 2, E 2
Obstruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 40-48.2
Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 12
approximate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 7, E 2
light, air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 61.1-61.2
Pavilion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E p
of buoy or beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 1
Occasional light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 50
Pebbles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 7
doubtful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 8
Occulting light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.2
Perch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 91
of fog signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 1
Ocean current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 43
Period of light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 12
of pilot cruising vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . T 1.1-1.3
ODAS buoy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 25, Q 58
Pictorial sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 3.1-3.2
tidal levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 47
2I¿FH
Pier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 14
tidal stream data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 46
promenade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 15
Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B
customs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 61
bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.5 Port pilotage service, with . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 4
harbor master’s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 60
ruined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 33.2
symbolized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 30-33
health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 62.1
Pile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 22
Post . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 22, K 43.1
submerged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 43.1-43.2
RI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 63
pilot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 2-3 quarantine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F e Offshore
Pillar buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 23
submerged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 43.1 Power
Installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L
monument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
overhead cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26, H 20
platform, lighted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 2
Pilot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 1-4
submarine cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 31.1-31.2
position, tidal levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 47
boarding place . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 1.1-1.3
transmission line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D h
Ogival buoy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20
helicopter transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 1.4
Practice area (military) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 30-34
Oil
look out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 2
Precautionary area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 16, M 24
barrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 29.1-29.2
RI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 2-3
Preferred channel buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.1
derrick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 10
Pilotage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 1-4
118
Index WUDQVSRQGHUEHDFRQVRQÀRDWLQJPDUNV . . . . . . . . . . . . . . . . . .S 3.6
Research platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 13
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 70
tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
Reservation line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N f
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 65
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 10-18.2
Reserve fog signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 22
GLUHFWLRQ¿QGLQJVWDWLRQ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 14
Reserved anchorage area . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 12.9
platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 10
mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 28
Resilient beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 5
well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 20
reporting line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 40.2
Restricted
Private
Production
Prohibited
reporting point, calling-in or way point . . . . . . . . . . . . . . . . . M 40.1
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 14, N 2.1, 20-27
anchoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 20
station, QTG service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
light sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 44
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 2.2, 31
Radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S 10-16
5HWURUHÀHFWLQJPDWHULDO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 6
diving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 21.2
Radiolaria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ab
Riprap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P a
¿VKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 21.1
Radome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.4
River . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 20
Promenade pier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 15
Railway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 13, b
intermittent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 21
Protective structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 1-6.3
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 13
Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 10-11
Pteropods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ac
Ramark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 2
Rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.1, K 10-15, a-b
Public Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 60-63
Ramp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 23
Rocket station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 12
Publication note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 4
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 14
Rocky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 9.1
Pumice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J m
Rapids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 22
area which covers and uncovers . . . . . . . . . . . . . . . . . . . . . . . J 21
Pump-out facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F d
Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H n
Roll-on, Roll-off ferry terminal (RoRo) . . . . . . . . . . . . . . . . . . . . . F 50
Pylon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26, E 29
Rear light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 22
Rotating-pattern radiobeacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 12
Q
Reclamation area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 31
Rotten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aj
QTG service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
Reclamation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 31
Roundabout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 21, d-e
Qualifying Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 30-39
Recommended
Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 27.1-28.2
Quarantine
deep water track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 27.3, a-b
Routing Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 18-29.2
anchorage area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 12.8
GLUHFWLRQRIWUDI¿FÀRZ . . . . . . . . . . . . . . . . . . M 11, 26.1- 26.2, 28.1
Rubble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C e
EXLOGLQJKHDOWKRI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 62.1
route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 28.1
Ruin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 8, F 33.1
RI¿FH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F e
track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 3-4, 6
Ruined
Quarry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 35.1-35.2
Recreation zone buoy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 62
landmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 8
Quartz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J g
Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J ay, P 11.2, Q 3
pier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 33.2
Quay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 13
Reed beds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 33
S
Quick light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 10.6
Reef . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 22, K 16, g-h
Safe
R
Reference to
clearance depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 3, 30, f
Races . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 44
adjoining chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 19
vertical clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 26, i
Racon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 3
charted units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A b
water mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.5
Radar
larger-scale chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 18
beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 2-3.6
5HÀHFWRUUDGDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 10-11, S 4
conspicuous feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 5
Refuge
dome (radome) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 30.4
Safety fairway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 18 zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 3
beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 124
Sailing club . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 11.3
mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 30.1
for shipwrecked mariners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 14
Salt pans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 24
range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 31
Regions, IALA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.1
Sand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 1
reference line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 32.1-32.2
Relief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 10-14
Sandhills . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 8
Reported
Sandwaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 14
UHÀHFWRU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 10-11, S 4 scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 30.3
anchorage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 10
Sandy shore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 6
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 1
danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 4
Satellite Navigation Systems . . . . . . . . . . . . . . . . . . . . . . . . . .S 50-51
surveillance system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 30-32.2
depth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 3.1-4
Scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A 13-15
tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 30.2
Reporting, radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 40.1-40.2
Scanner, radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.3
transponder beacon, racon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 3
Rescue station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 11-12
Schist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J h 119
Index School. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E f
Shoal sounding on rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K b
ground buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 56
Scoriae . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J o
Shore, shoreline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 1-8
Sponge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J t
Scrubbing grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 24
6KRUWORQJÀDVKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P b
Spot height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 11-13, H 20
Sea
Signal
Spring
ice limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 60.2
fog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R
mile (nautical mile) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 15, B 45
stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 20-36
Seabed, types of. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 1-15, a-bf
Silo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 33
Seal
Silt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 4
chart producer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 12 sanctuary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 22.2 Seaplane
Single
tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 16, 30-31 seabed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 15 Square meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B a shaped beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q l
Anchor Leg Mooring (SALM) . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
Stake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 43.2, Q 90
Buoy Mooring (SBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 16
Station
anchorage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 14
Point Mooring (SPM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 12
Coast Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 10-11
anchorage buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 60
Sinker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K n
coast radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 30, S 1
landing area, operating area. . . . . . . . . . . . . . . . . . . . . . . . . . . N 13
Siren . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 12
DGPS, providing corrections . . . . . . . . . . . . . . . . . . . . . . . . . . S 51
Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 3.1-3.2
QTG, providing radio service . . . . . . . . . . . . . . . . . . . . . . . . . . S 15
Seasonal buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 70-71
Slack water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 31
radar surveillance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 30
sea ice limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 60.2
Slipway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 23
UDGLRGLUHFWLRQ¿QGLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 14
Sea-tangle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J w
Small. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ah
railway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 13
Seawall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 2.1-2.2
Small craft
Seaward limit of
leisure facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U
rescue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 11-12 signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 20-36
contiguous zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 44
mooring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 44
tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 30
territorial sea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 43
Snag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 43.2
Statue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 24
Second
Soft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 35
Statute mile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B e
of arc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 6
Sounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 10-16
Steep coast. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 3
of time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 51
doubtful depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 2
Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 18
Sector lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 40.1-46
out of position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 11
Sticky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 34
See adjoining chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 19
unreliable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 14
Stiff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 36
Semaphore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T f
Source diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 17
Stock number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A d
Semi-diurnal tide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 30
South . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 11
Stones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 5
Separation
cardinal mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3
area with . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 20
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 12
Southeast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 14
Stony shore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 7
scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 10-13, 20.1-29.2, d
Southwest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 16
Storage tanker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 17
zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 13
Spar buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 24
Storm signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 28
Special
Straight territorial sea baseline . . . . . . . . . . . . . . . . . . . . . . . . . . . N 42
Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T Settlements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 1-8
lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P 60-66
Streaky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ak
Sewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 41.1-41.2
marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.6
Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 20, H l, I c
Shading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C g
purpose beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 120-126
tidal signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 34
Shapes of buoys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 20-26
purpose buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 50-63
tidal table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 31, 46
Shark nets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 61
Speckled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J al
tide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 40-41
Shed, transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 51
Speed limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 27
Street . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 7
Sheerlegs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 53.3
Spherical buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 22
Street . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 7
6KHOO¿VKEHG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 47
Spicules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J x
Strip light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 64
Shells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J 11
Spindle buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 24
Stumps of piles/posts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 43.1-43.2
Shingle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J d
Spire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 10.3
Submarine
Shingly shore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 7
Spoil
Shinto shrine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 15 120
ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 62.1-62.2
cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 30.1-32 cable area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 30.2
Index exercise area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 33
Telegraphic mooring buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 43
Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 12, M 1-6, 27
pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40-44
Telephone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E q
7UDI¿F
power cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 31.1
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 27
power cable area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 31.2
Telephonic mooring buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 43
basic symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 10-15, d
transit lane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 33
Television
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 61
volcano . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K d Submerged
separation scheme (TSS) . . . . . . . . . . . . . . . . . . . M 10-15, 20-26.2
mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 28
example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 20.1-29.2, f
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 27
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 21-22, 25.1
crib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K i
tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
surveillance station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .M 30
duck blind . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K k
Temple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 13
Training wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 5
jetty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F b
Temporary
Transhipment
platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K l
buoy (seasonal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 71
production well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 20
light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 54
rock, beacon on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 83
Tenacious . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aq
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 64 facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 50-53.3 Transit
well (buoyed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L a
Terms relating to tidal levels . . . . . . . . . . . . . . . . . . . . . . . . H 1-17, a-k
lane (submarine). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 33
wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 22-23
Territorial sea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 42-43
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 2
Subsidiary light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 42
Tidal
shed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 51
Subsurface Ocean Data Acquisition System (ODAS) . . . . . . . . . L 25
basin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 28
Sunken
Transmission line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 26-27, h
harbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 28
Transmitter, AIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 17.1-17.2
danger (swept). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K f
levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 1-17, 20
Transponder beacon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S 3.1-3.6
wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K c
stream
Transporter
Superbuoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 26
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 34
bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 24
Supply pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 40.1-40.2
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 46
overhead (aerial cableway) . . . . . . . . . . . . . . . . . . . . . . . . . . . D 25
Surveyed
table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A g, H 31
7UDS¿VK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.2-45, i
coastline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 1
table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 31
Travelling crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 53.1
inadequately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 25
streams and currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 40-47
Suspended well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 21.1-21.2
table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 30
Swamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 33 Swept
Tide
Trees height of top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 14 types of . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 31-32, i-k
gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T 32.1-32.2
Triangular shaped beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q l
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I 24, b
level terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 1-17, a-k
Triangulation point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 20
channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I a
rips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H 44
Trot, mooring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 42
wire drag, by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 2, 27, 42, f
scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 32.1
True . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 63
Swing bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D 23.2
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 33
True (compass). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 63
Swinging circle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 11.2
Timber yard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 52
Tufa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J n
Symbolized positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B 30-33
Time
Tun buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 25
Synchronized light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 66
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 31
T
units of . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 49-51
pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 42.2
Tomb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E b
Tunney nets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.2-45
Tanker
Tunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 16
anchorage area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .N 12.5
Ton, tonnage, tonne (weight) . . . . . . . . . . . . . . . . . . . . . . . . . .B 53, m
CALM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 16
Topmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 9-11, 102.1
storage, moored . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 17
Tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 20
wind . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 26.1, L 5.1
Target buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 51
beacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 3, Q 110-111
underwater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 24
area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 45 Turbine
Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 32
church . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 10.2
Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 51
radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 30.2
route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 27.2, 28.1-28.2
Telegraph
radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 4, 5.2
line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 27
television. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 29
Tyfon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 13
station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 27
water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 21
Two-way
121
Index Types of
W
under construction, works in progress . . . . . . . . . . . . . . . . . . . F 32
fog signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 10-16
Wall, training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 5
World Geodetic System (WGS) . . . . . . . . . . . . . . . . . . . . . . . . . . S 50
seabed, intertidal areas . . . . . . . . . . . . . . . . . . . . . . . . . . . .J 20-22
Warehouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 51
Wreck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .K 20-30, c
U
Water
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q h
Ultra quick light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.8
discolored . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K e
Uncovers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 11, 21, h
features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 20-26
Under construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 30-32
intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L 41.1-41.2
Y
Underwater
pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.1, 41.1
Yacht
emergency wreck marking buoy . . . . . . . . . . . . . . . . . Q 63, Q 130.6 mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 25
installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 20-25
pipeline area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 40.2, L 41.2
berths without facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 11.2
rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 13-15
tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 21
club . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 11.3 Yard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B d
turbine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 24
tower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 21
Uneven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J bf
Waterfalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 22
timber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 52
Unexploded ordinance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K p
Watermill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E c
Yellow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J aw, P 11.6
Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A b, B 40-54
Wave
Z
University . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E h
actuated fog signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 21-22
Unsurveyed
farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 6
Exclusive Economic (EEZ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 47
coastline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 2
recorder buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 59
¿VKLQJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 45
Zone
depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 25
Way point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 40.1
LQVKRUHWUDI¿F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 25.1-25.2
Unwatched, unmanned light . . . . . . . . . . . . . . . . . . . . . . . . . . . P 53, e
Weather signal station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 29
seaward, contiguous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 44
Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A 7
Weed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 13.1-13.2
separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M 13, 20.1-20.3, e
Upper light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 22
:HLU¿VK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K 44.2
Urban area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 1
Well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E e
V
submerged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L a
Variation, magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 60, 68.1-71
suspended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 21
Varied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J be
production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 20
Various limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N 60.1-65
Wellhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L 21.3, 23
Vegetation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C 30-33, i-t
West . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 12
Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H n Vertical
cardinal mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 130.3 Wet dock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 27
clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 20, 23.4, 23.6-28
Wharf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 13
color stripes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Q 5
Whistle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R 15
lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
buoy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q c
Vertically disposed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 15
White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J ar, P 11.1
Very quick light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 10.7
Wind
Vessel, light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P 6
farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 26.2, L 5.2
Viaduct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D f
signal station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T 29
Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 3.1-3.2
turbine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E 26.1, L 5.1
Village . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D 4
Windmill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E 25.1-25.2
Violet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J at, P 11.5
Withy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 91-92
Virtual AIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S 18.1-18.2
Woodland
Visitor’s
coniferous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C j
berth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F 19.2
deciduous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C i
mooring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q 45
Woods, wooded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C 30
Volcanic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J 37
Works
ash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J k
at sea, (reclamation area). . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 31
Volcano . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K d
on land . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F 30
122
123
Appendix 1
IALA Maritime Buoyage System
Region A Lateral Marks
Port Hand
Starboard Hand
Preferred Channel to Starboard
BUOYAGE DIRECTION
Color
green
cylindrical (can), pillar, spar
Buoy
conical (nun), pillar, spar
Topmark (if any)
single green cone, point upward
red with one green horizontal band
Color
green with one red horizontal band
cylindrical (can), pillar, spar
Buoy
conical (nun), pillar, spar
single red cylinder (can)
Topmark (if any)
single green cone, point upward
Lights (if any): may have any phase characteristic other than that used for preferred channels
/LJKWV LIDQ\ DUHFRPSRVLWHJURXSÀDVKLQJ
Quick Flashing
Fl (2+1)
Flashing Long Flashing Group Flashing
124
BUOYAGE DIRECTION
red
single red cylinder (can)
Preferred Channel to Port
IALA Maritime Buoyage System
Appendix 1
Region B Lateral Marks
Port Hand
Starboard Hand
Preferred Channel to Starboard
BUOYAGE DIRECTION
Preferred Channel to Port
BUOYAGE DIRECTION
green
Color
red
cylindrical (can), pillar, spar
Buoy
conical (nun), pillar, spar
single green cylinder (can)
Topmark (if any)
single red cone, point upward
green with one red horizontal band
Color
red with one green horizontal band
cylindrical (can), pillar, spar
Buoy
conical (nun), pillar, spar
single green cylinder (can)
Topmark (if any)
single red cone, point upward
Lights (if any): may have any phase characteristic other than that used for preferred channels
/LJKWV LIDQ\ DUHFRPSRVLWHJURXSÀDVKLQJ
Quick Flashing
Fl (2+1)
Flashing Long Flashing Group Flashing
125
Appendix 1
IALA Maritime Buoyage System
Cardinal Marks in Regions A and B /LJKWVZKHQ¿WWHGDUHZKLWH
N
N
W
E
N VQ or Q
POINT OF INTEREST
VQ (9) 10s
VQ (3) 5s
or Q (9) 15s
or Q (3) 10s
VQ (6) + L Fl 10s or Q (6) + L Fl 15s
S 126
E
SE
SW
W
Appendix 1
IALA Maritime Buoyage System
Regions A and B
Isolated Danger Marks
Safe Water Marks
Special Marks
Color
black with one or more red horizontal band(s)
Color
red and white vertical stripes
Color
yellow
Buoy
RSWLRQDOEXWQRWFRQÀLFWLQJZLWKODWHUDOPDUNV pillar or spar preferred
Buoy
spherical, pillar or spar
Buoy
RSWLRQDOEXWQRWFRQÀLFWLQJZLWKODWHUDOPDUNV
Topmark (if any)
DOZD\V¿WWHGZLWKGRXEOHVSKHUHV
Topmark (if any)
single red sphere
Topmark (if any)
single yellow “X” shape
Lights (if any)
Lights (if any)
Lights (if any)
Color
white
Color
white
Color
yellow
Rhythm
JURXSÀDVKLQJ
Rhythm
Iso
Rhythm
Fl Y
Oc
Fl (4) Y
L Fl 10s
May have any rhythm other than those used for white lights on cardinal, isolated danger or safe water marks.
Morse “A”
127
128
Record of Corrections Notice No.
Corrected on
Corrected by
Notice No.
Corrected on
Corrected by
Notice No.
Corrected on
Corrected by
129
Click a section to go to it.
Section Key &KDUW1XPEHU7LWOHDQG0DUJLQDO1RWHV 0
350
INT 500 412
Mercator Projection 6FDOH DW/DW ƍ
7th Ed., Mar. 5/09
DEPTHS IN METERS LOCAL MAGNETIC ANOMALY (see note)
3RVLWLRQV'LVWDQFHV'LUHFWLRQVDQG&RPSDVV
10
0
1DWXUDO)HDWXUHV clr 20.0
Marsh
&XOWXUDO)HDWXUHV
Tel
/DQGPDUNV
TANK
FIXED BRIDGE HOR CL 25 FT VERT CL 20 FT
(202)
Ports kn
Tide rips
2.5 kn
Tides and Currents
(see Note)
30 FEET APR 2011
10 11
Safe vertical clearance (magenta)
4
3
89
Charted vertical clearance
Unsurveyed 13 13
12 10
17
Rock
Crib
35 Rk Prod Well
Fl.Y
“Name”
Pipe (cov 24ft)
Crib
DW
Tracks and Routes
Well VHF 80
Ra
$UHDVDQG/LPLWV
Log boom
/LJKWV Buoys and Beacons
Disposal Area 92 Depths from survey of 2010 85
Fl.WRG.4s 21m 18-12M
Bn R
Bn
RG
Q(6)+LFI 15s HORN(1) 15s WHIS
BELL
CONSOL Bn 190 kHz MMF
Radar, Radio and Satellite Navigation Systems
6PDOO&UDIW /HLVXUH )DFLOLWLHV
Overhead power cable
1
Gravel
Offshore Installations
Services
5
119
Rocks, Wrecks and Obstructions
)RJ6LJQDOV
6
10
Nature of the Seabed
R
0
2 7
15
'HSWKV
9 8
RED
0 3.
1
GREEN
A B C D E F H I J K L M N P Q R S T U
NWS SIG STA
Fl 3s 70m 29M SIREN Mo(N) 60s
