III
Preface
Pub. 175, Sailing Directions (Enroute) North, West, and
NGA Maritime—Contact Information
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South Coasts of Australia, Fourteenth Edition, 2022, is issued
for use in conjunction with Pub. 160, Sailing Directions (Plan- Maritime Domain
ning Guide) South Atlantic Ocean and Indian Ocean. Compan- https://msi.nga.mil
web site
ion volumes are Pubs. 171, 172, 173, and 174.
Digital Nautical Charts 4 and 5 provide electronic chart cov-
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E-mail MarHelp@nga.mil
erage for the area covered by this publication.
This publication has been corrected to 2 February 2022, in-
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Maritime Quality
cluding Notice to Mariners No. 6 of 2022. Subsequent updates Feedback System https://marhelp.nga.mil
have corrected this publication to 25 March 2023, including (MQFS)
Notice to Mariners No. 12 of 2023.
Mailing address Maritime Safety Office
Explanatory Remarks National Geospatial-Intelligence
Agency
Sailing Directions are published by the National Geospatial-
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Mail Stop N64-SFH
Intelligence Agency (NGA) under the authority of Department 7500 Geoint Drive
of Defense Directive 5105.60, dated 29 July 2009, and pursu- Springfield VA 22150-7500
ant to the authority contained in U. S. Code Title 10, Chapter
22, Section 451 and Title 44, Section 1336. Sailing Directions, New editions of Sailing Directions are corrected through the
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covering the harbors, coasts, and waters of the world, provide date of publication shown above. Important information to
information that cannot be shown graphically on nautical amend material in the publication is available is updated as
charts and is not readily available elsewhere. needed and available as a downloadable corrected publication
Sailing Directions (Enroute) include detailed coastal and
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from the NGA Maritime Domain web site.
port approach information which supplements the largest scale
chart produced by the National Geospatial-Intelligence
NGA Maritime Safety Office Web Site
Agency. This publication is divided into geographic areas
called “Sectors.” https://msi.nga.mil
Bearings.—Bearings are true, and are expressed in degrees
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from 000° (north) to 360°, measured clockwise. General
bearings are expressed by the initial letters of the points of the 0.0Courses.—Courses are true, and are expressed in the same
compass (e.g. N, NNE, NE, etc.). Adjective and adverb manner as bearings. The directives “steer” and “make good” a
endings have been discarded. Wherever precise bearings are course mean, without exception, to proceed from a point of
intended, degrees are used. origin along a track having the identical meridional angle as
Charts.—Reference to charts made throughout this
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the designated course. Vessels following the directives must
publication refer to both the paper chart and the Digital allow for every influence tending to cause deviation from such
Nautical Chart (DNC). track, and navigate so that the designated course is
Corrective Information.—Users should refer corrections,
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continuously being made good.
additions, and comments to NGA’s Maritime Operations Desk, 0.0Currents.—Current directions are the true directions toward
as follows: which currents set.
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0.0Distances.—Distances are expressed in nautical miles of 1
minute of latitude. Distances of less than 1 mile are expressed
in meters, or tenths of miles.
NGA Maritime—Contact Information 0.0Geographic Names.—Geographic names are generally
those used by the nation having sovereignty. Names in paren-
Maritime Operations Desk
theses following another name are alternate names that may
Toll free 1-800-362-6289 appear on some charts. In general, alternate names are quoted
only in the principal description of the place. Diacritical marks,
Commercial 571-557-5455 such as accents, cedillas, and circumflexes, which are related to
specific letters in certain foreign languages, are not used in the
DSN 547-5455 interest of typographical simplicity.
0.0Wherever possible, names used on NGA charts and in NGA
E-mail navsafety@nga.mil publications are in the form approved by the United States
Board on Geographic Names (BGN). Generally, local official
Maritime Safety Office
spellings are used for those features entirely within a single
DNC web site https://dnc.nga.mil sovereignty, names of countries and those features which are
common to two or more countries or which lie beyond a single
sovereignty may carry Board-approved conventional spellings
Pub. 175
