4th Engineer (Четвертый механик) / 4th Officer (Четвертый помощник) / Third Engineer (Третий механик) / Third Officer (Третий помощник)

Second Engineer, Third Engineer

4th Engineer, Junior engineer, 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, Third Engineer

Third Officer

Third Engineer