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:
This article originally appeared in the August 2009 issue.