Chief Engineer (Старший механик) / 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) / Chief engineer officer on ships powered by main propulsion machinery of between 750 kW and 3,000 kW propulsion power (Старший механик морского судна с ГДУ от 750 до 3000 кВт)