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The carriage regulations for AIS

The following vessels must have a properly installed, operational, type-approved AIS, in accordance with Title 33, Code of Federal Regulations, 164.46:

• self-propelled vessels of 65 feet or more in length, other than passenger and fishing vessels, in commercial service and on an international voyage

• passenger vessels of 150 gross tonnage or more

• tankers, regardless of tonnage

• vessels, other than passenger vessels or tankers, of 50,000 gross tonnage or more

• vessels, other than passenger vessels or tankers, of 300 gross tonnage or more, but less than 50,000 gross tonnage


When navigating a Vessel Traffic Service area, the following vessels are required to maintain a Class A AIS:

• self-propelled vessels of 65 feet or more in length, other than fishing vessels and passenger vessels certificated to carry less than 151 passengers-for-hire, in commercial service

• towing vessels of 26 feet or more in length and more than 600 hp, in commercial service

• passenger vessels certificated to carry more than 150 passengers-for-hire


For information on the Automatic Identification System, visit the Coast Guard’s online Navigation Center at www.navcen.uscg.gov and click on the “AIS” tab.

 

See related articles:

- AIS: the electronic eyes of navigation

- Breaking down the ABCs of AIS

 

This article originally appeared in the August 2009 issue.



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