Master
Master means the holder of a valid merchant mariner credential or license that authorizes the individual to serve as a Master, operator, or person in charge of the rated vessel. For the purposes of this subchapter, Master also includes the Person in Charge of a MODU, and the operator of an uninspected towing vessel.
Source
33 CFR § 101.105
Scoping language
Unless otherwise specified, as used in this subchapter: