46 U.S.C. § 53901 - U.S. Code - Unannotated Title 46. Shipping § 53901. Definitions

(A) a documented vessel with a registry or coastwise endorsement under chapter 121 of this title;

(B) an undocumented vessel owned or chartered by or made available to the United States Government; and

(C) a tug, barge, or other watercraft (whether or not documented) owned by a citizen of the United States and used in essential water transportation or in the fisheries, except only for sport fishing.

(A) any part of a loss excluded from marine insurance coverage under a “free of capture or seizure” clause or analogous clause; and

(B) any other loss from a hostile act, including confiscation, expropriation, nationalization, or deprivation.