4th Officer (Четвертый помощник) / AB / Crane Operator (Матрос-крановщик) / AB Seaman (Квалифицированный матрос)

4th Officer, Junior officer, Officer in charge of a navigational watch on ships of 500 gross tonnage or more, Third Officer

Third Officer, AB Seaman, Junior officer, Officer on watch (OOW), Second Officer