46 CFR § 140.415
Orientation for individuals that are not crewmembers
April 15, 2021
Individuals, who are not crewmembers, on board a towing vessel must receive a safety orientation prior to getting underway or as soon as practicable thereafter, to include:
(a) The location, operation, and use of lifesaving equipment;
(b) Emergency procedures;
(c) Methods to notify crewmembers in the event of an emergency; and
(d) Prevention of falls overboard.