46 U.S.C. § 3301: Vessels subject to inspection

The following categories of vessels are subject to inspection under this part:(1) freight vessels. (2) nautical school vessels. (3) offshore supply vessels. (4) passenger vessels. (5) sailing school vessels. (6) seagoing barges. (7) seagoing motor vessels. (8) small passenger vessels. (9) steam vessels. (10) tank vessels. (11) fish processing vessels. (12) fish tender vessels. (13) Great Lakes barges. (14) oil spill response vessels. (15) towing vessels.