(1) Self-propelled vessels of 65 feet or more in length, other than passenger and fishing vessels, in commercial service and on an international voyage, not later than December 31, 2004. (a) The following vessels must have a properly installed, operational, type approved AIS as of the date specified: It appears that the vessel because it is not on an international voyage and is not operating in any 'controlled area' (that would be an area with a Vessel Traffic System VTS, or an advisory system like the San Diego Traffic Management Service) an AIS system is not required:ġ64.46 Automatic Identification System (AIS). Today I did a little digging and of course the rules are all written in legal speak so are far from clear howeven as I decipher the rules here: I've wondered about his at time but never enuf to do any research on it.