Ratings as able seafarer engine in a manned engine-room or designated to perform duties in a periodically unmanned engine-room (Моторист первого класса)

Motorman, Oiler, Wiper, Ratings as able seafarer engine in a manned engine-room or designated to perform duties in a periodically unmanned engine-room, Rating forming part of a watch in a manned engine-room or designated to perform duties in a periodically unmanned engine-room

4th Engineer, Junior engineer, Motorman, Motorman / Turner, Ratings as able seafarer engine in a manned engine-room or designated to perform duties in a periodically unmanned engine-room

Oiler, 4th Engineer, Rating forming part of a watch in a manned engine-room or designated to perform duties in a periodically unmanned engine-room, Ratings as able seafarer engine in a manned engine-room or designated to perform duties in a periodically unmanned engine-room, Motorman

Engine Cadet, Motorman, Rating forming part of a watch in a manned engine-room or designated to perform duties in a periodically unmanned engine-room, Ratings as able seafarer engine in a manned engine-room or designated to perform duties in a periodically unmanned engine-room, Wiper