Maintain desired courses, using compasses or electronic navigational aids.

Follow safety procedures to ensure the protection of passengers, cargo, and vessels.

Direct safety operations in emergency situations.

Operate engine throttles and steering mechanisms to guide boats on desired courses.

Oversee operation of vessels used for carrying passengers, motor vehicles, or goods across rivers, harbors, lakes, and coastal waters.

Secure boats to docks with mooring lines, and cast off lines to enable departure.

Service motors by performing tasks such as changing oil and lubricating parts.

Arrange repairs, fuel, and supplies for vessels.

Maintain equipment such as range markers, fire extinguishers, boat fenders, lines, pumps, and fittings.

Take depth soundings in turning basins.