Chief engineer officer on ships powered by main propulsion machinery of 3,000 kW propulsion power or more (Старший механик морского судна с ГДУ 3000 кВт и более) / Second Engineer (Второй механик)

Officer in charge of an engineering watch in a manned engine-room or as designated duty engineer in a periodically unmanned engine-room on ships powered by main propulsion machinery of 750 kW propulsion power or more, Second Engineer, Second engineer officer on ships powered by main propulsion machinery of 3000 kW propulsion power or more

Second Engineer, Chief Engineer