Second Officer (Второй помощник) / Third Officer (Третий помощник)

Chief mate on ships of between 500 and 3,000 gross tonnage, Chief Officer, Master, Master on ships of between 500 and 3,000 gross tonnage, Master on ships of less than 500 gross tonnage engaged on near-coastal voyages, Other, Second Officer

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