33 C.F.R. § 95.015 Operating a vessel.
Title 33 - Navigation and Navigable Waters
For purposes of this part, an individual is considered to be operating a vessel when: (a) The individual has an essential role in the operation of a recreational vessel underway, including but not limited to navigation of the vessel or control of the vessel's propulsion system. (b) The individual is a crewmember (including a licensed individual), pilot, or watchstander not a regular member of the crew, of a vessel other than a recreational vessel.
Title 33: Navigation and Navigable Waters
PART 95—OPERATING A VESSEL WHILE UNDER THE INFLUENCE OF ALCOHOL OR A DANGEROUS DRUG
§ 95.015 Operating a vessel.

