46 C.F.R. § 122.304
(a) The movement of a vessel shall be under the direction and control of the master or a licensed mate at all times. The master shall operate the vessel keeping the safety of the passengers and crew foremost in mind by directing the vessel in order to prevent a casualty. Special attention should be paid to:
[CGD 85-080, 61 FR 935, Jan. 10, 1996, as amended by 62 FR 51352, Sept. 30, 1997; USCG-2007-0030, 75 FR 78082, Dec. 14, 2010; USCG-2014-0688, 79 FR 58283, Sept. 10, 2014]