Command or supervise operations of ships and water vessels, such as tugboats and ferryboats. Required to hold license issued by U.S. Coast Guard.
Supervisecrews in cleaning or maintaining decks, superstructures, or bridges.
Assign watches or living quarters to crewmembers.
Calculate sightings of land, using electronic sounding devices and following contour lines on charts.
Direct courses and speeds of ships, based on specialized knowledge of local winds, weather, water depths, tides, currents, and hazards.
Direct or coordinate crewmembers or workers performing activities such as loading or unloading cargo, steering vessels, operating engines, or operating, maintaining, or repairing ship equipment.
Interview and hire crewmembers.
Observe loading or unloading of cargo or equipment to ensure that handling and storage are performed according to specifications.
Signal crewmembers or deckhands to rig tow lines, open or close gates or ramps, or pull guard chains across entries.
Stand watches on vessels during specified periods while vessels are under way.
Monitor work environment to ensure safety or adherence to specifications.