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Who Uses AIS?
More vessels are voluntarily installing AIS equipment every year due to the enormous safety benefits. During the 73rd Session of the IMO's Maritime Safety Committee, the following ships were identified as requiring AIS equipment as a mandatory requirement.
All ships of 300 gross tonnages and upwards engaged on international voyages and cargo ships of 500 gross tonnages and upwards not engaged on international voyages and passenger ships irrespective of size shall be fitted with AIS, as follows:
Ships constructed on or after 1 July 2002
Ships engaged on international voyages constructed before 1 July 2002
In the case of passenger ships, not later than 1 July 2003
In the case of tankers, not later than the first "safety equipment survey" after 1 July 2003
In the case of ships, other than passenger ships and tankers, of 50,000 gross tonnages and upwards, not later than 1 July 2004
In the case of ships, other than passenger ships and tankers, of 10,000 gross tonnages and upwards but less than 50,000 gross tonnages, not later than 1 July 2005
In the case of ships, other than passenger ships and tankers, of 3,000 gross tonnages and upwards but less than 10,000 gross tonnages, not later than 1 July 2006
In the case of ships, other than passenger ships and tankers, of 300 gross tonnages and upwards but less than 3,000 gross tonnages, not later than 1 July 2007
The United States Coast Guard also requires AIS on certain vessels not subject to SOLAS under new USCG rules, which took effect in March 2016. See attachment for new USCG rules.