Self-propelled
Self-propelled has the same meaning as the terms propelled by machinery and mechanically propelled. This term includes vessels fitted with both sails and mechanical propulsion.
Source
46 CFR § 10.107
Scoping language
With respect to part 16 of this subchapter only, if the definitions in paragraph (b) of this section differ from those set forth in 16.105, the definition set forth in 16.105 applies.