Vessel
Vessel means a watercraft of any description capable of being used as a means of transportation in or on the waters of a sanctuary. The term includes but is not limited to, motorized and non-motorized watercraft, personal watercraft, airboats, and float planes while maneuvering on the water. For purposes of this part, the terms vessel, watercraft, and boat have the same meaning.
Source
15 CFR § 922.11
Scoping language
The following definitions shall apply to this part, unless modified by the definitions for a specific subpart or regulation: