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The term ‘international abbreviation’ is used to identify those abbreviations which have been agreed internationally and are recommended for use on all nautical charts. Some of the abbreviations selected were already common to several languages. Alternatively, English language abbreviations
ADLL Admiralty Digital List of Lights. AEB acquisition exclusion boundary. AERO aeronautical. AF audio frequency. AFC automatic frequency control. AGC automatic gain control. AIS-SART AIS Search And Rescue Transmitter. AIS Automatic Identification System. AISM Association Internationale de Signalisa-tion Maritime (International Association
A cable is one-tenth of a sea mile. Names on Admiralty charts are spelt in accordance with the principles and systems approved by the Permanent Committee on Geographical Names for British Official Use.
M is used as the abbreviation for the nautical mile by the International Hydrographic Organization. nm is a non-standard abbreviation used in many maritime applications and texts, including U.S. Government Coast Pilots and Sailing Directions. It conflicts with the SI symbol for nanometre.
NOTE: a) Astronomical observations in the Nautical Almanac may be used. b) Navigational abbreviations as prescribed in the Mariner’s Handbook N.P. 100 and B.A. chart 5011 may be used.
Below you will find a comprehensive list of terms, abbreviations, and acronyms used in the maritime industry, sorted in alphabetical order. You can search for an acronym or write a word and find the abbreviations where the word is included.
U.S. Nautical Chart Catalogs and Indexes-These list nautical charts, auxiliary maps, and related publications and include general information relative to the use and ordering of charts.
