Passenger vessel means any boat, ship, vessel, barge, or other floating craft of any kind carrying passengers for compensation.
public vessel ’ means a vessel owned or bareboat chartered and operated by the United States, by a State or political subdivision thereof, or by a foreign nation, except when such vessel is engaged in commerce;
U.S.-flag vessel means a vessel of the United States or belonging to the United States, including any vessel registered or having national status under the laws of the United States.
Tank vessel means a ship that is constructed or adapted to carry, or that carries, oil in bulk as cargo or cargo residue, and that:
Vessel means every description of watercraft, other than a seaplane on the water, used or capable of being used as a means of transportation on water.