Safety Officer (Офицер по безопасности)

4th Officer, Junior officer, Safety Officer, Third Officer

Second Officer, Chief Officer, Security officer, Single officer, Third Officer, Safety Officer

Chief Officer, Officer in charge of a navigational watch on ships of 500 gross tonnage or more, Officer on watch (OOW), Safety Officer, Second Officer, Third Officer

Chief mate on ships of 3,000 gross tonnage or more, Chief Officer, DP Officer, Junior DP Officer, Officer in charge of a navigational watch on ships of 500 gross tonnage or more, Officer on watch (OOW), Safety Officer, Second Officer, Third Officer