Take charge of marine vessels on the high seas.
Supervises and coordinates activities of crew aboard fishing vessel: Examines fishing gear and life-saving equipment and orders crew to repair or replace defective gear and equipment. Stands watch during specified periods and determines geographical position of vessel upon request of CAPTAIN, FISHING VESSEL, using loran and azimuths of celestial bodies. Directs activities of workers engaged in capture, preservation, stowing, and refrigeration of fish aboard fishing vessel. Assumes command of fishing vessel in event CAPTAIN, FISHING VESSEL becomes incapacitated. May locate schools of finfish and other marine life by observation from masthead and relay navigating directions to CAPTAIN, FISHING VESSEL. May be required to hold license issued by U.S. Coast Guard.