Chief Officer (Старший помощник) / Second Officer (Второй помощник)

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

Second Officer

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

Second Officer