Indiana Code Title 14. Natural and Cultural Resources § 14-8-2-1.1

(1) a submerged aircraft;

(2) a submerged watercraft, including a ship, boat, canoe, skiff, raft, or barge;

(3) the rigging, gear, fittings, trappings, and equipment of a submerged aircraft or watercraft;

(4) the personal property of the officers, crew, and passengers of a submerged aircraft or watercraft;  or

(5) the cargo of a submerged aircraft or watercraft that has been deserted, relinquished, cast away, or left behind;