Operator
Operator means any person who is in charge of, directs or controls a vessel, including the owner, charterer and master.
Source
50 CFR § 300.31
Scoping language
In addition to the terms defined in 300.2, in the Act, and in the Treaty, and unless the context requires otherwise, the terms used in this subpart have the following meanings. If a term is defined differently in 300.2, the Act, or the Treaty, the definition in this section shall apply.