COLREGS Demarcation Line means the line described at 33 CFR 80.1104 or 80.1106 .
Public vessel means a vessel that is owned or demise-(bareboat) chartered by the government of the United States, by a State or local government, or by the government of a foreign country and that is not engaged in commercial service.
Vessel means every description of watercraft or other artificial contrivance used, or capable of being used, as a means of transportation on water other than a public vessel.
33 C.F.R. §165.1122