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USCG issues AIS Encoding Guide

Assisting mariners in the proper entry of AIS data

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The US Coast Guard (USCG) issued an AIS Encoding Guide to assist mariners in the proper entry of AIS data.

AIS is a valuable navigation safety radio communication tool. However, its usefulness is undermined by the broadcast of inaccurate, improper or outdated data.

Mariners are reminded that U.S. regulation requires that each AIS be maintained in effective operating condition, which includes accurate input and upkeep of AIS data parameters. Continual failure to do so may subject a vessel to civil penalties; to avoid such action AIS users should ensure their system is up-to-date and encoded according to the guide.

Things to be noted
Dynamic Data should be provided via systems that are type-certified, properly installed, maintained and operational.

Safety-Related Text Messaging should be short, concise, and used only to exchange pertinent navigation safety-related information.

Static Data should reflect the vessel’s official radio license or documentation, be inputted at installation, and be password protected.

Voyage Related Data should be inputted as necessary to always indicate up to date conditions.

You may view the guide by clicking below:

USCG-AIS-guide-cover

Source: USCG Navigation Center

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