46 C.F.R. § 15.820 Chief engineer.
Title 46 - Shipping
(a) There must be an individual holding an appropriate license as chief engineer or a license authorizing service as chief engineer employed on board the following inspected mechanically propelled vessels: (1) Seagoing or Great Lakes vessels of 200 gross tons and over. (2) Offshore supply vessels of more than 200 gross tons. (3) Inland (other than Great Lakes) vessels of 300 gross tons and over, if the OCMI determines that a licensed individual responsible for the vessel's mechanical propulsion is necessary. (b) An individual engaged or employed to perform the duties of chief engineer on a mechanically propelled, uninspected, seagoing, documented vessel of 200 gross tons or over must hold an appropriate license authorizing service as a chief engineer.
Title 46: Shipping
PART 15—MANNING REQUIREMENTS
Subpart G—Computations
§ 15.820 Chief engineer.

