


When assigned to a MODU, a ballast control operator is equivalent to a mate on a conventional vessel.īarge means a non-self propelled vessel as defined in 46 U.S.C 102.īarge supervisor or BS means an officer restricted to service on MODUs whose duties involve support to the offshore installation manager (OIM) in marine-related matters including, but not limited to, maintaining watertight integrity, inspecting and maintaining mooring and towing components, and maintaining emergency and other marine-related equipment. (b) As used in this subchapter, the following terms apply only to merchant marine personnel credentialing and the manning of vessels subject to the manning provisions in the navigation and shipping laws of the United States:Īble seafarer-deck means a rating qualified in accordance with the provisions of Regulation II/5 of the STCW Convention.Īble seafarer-engine means a rating qualified in accordance with the provisions of Regulation III/5 of the STCW Convention.Īpprentice mate (steersman) of towing vessels means a credentialed mariner in training to perform bridge watchkeeping duties onboard a towing vessel, who must be under the direct supervision and in the continuous presence of a master or mate (pilot) of towing vessels.Īpproved means approved by the Coast Guard.Īpproved training means training that is approved by the Coast Guard or meets the requirements of § 10.408 of this part.Īrticulated tug barge or ATB means any tug-barge combination which, through the use of an articulated or “hinged” connection system between the tug and barge, allows independent movement in the critical area of fore and aft pitch.Īssistance towing means towing a disabled vessel for consideration.Īssistant engineer, for national endorsements, means a qualified officer in the engine department other than the chief engineer.Īuthorized official includes, but is not limited to, a Federal, State or local law enforcement officer.īallast control operator or BCO means an officer restricted to service on mobile offshore drilling units (MODUs) whose duties involve the operation of the complex ballast system found on many MODUs. (a) With respect to part 16 of this subchapter only, if the definitions in paragraph (b) of this section differ from those set forth in § 16.105, the definition set forth in § 16.105 applies.
