How do they match: Captains, Mates, and Pilots of Water Vessels

  • Signal crew members or deckhands to rig tow lines, open or close gates or ramps, or pull guard chains across entries.
  • Signal passing vessels, using whistles, flashing lights, flags, or radios.
  • Tow and maneuver barges or signal tugboats to tow barges to destinations.

  • Signal others to coordinate vehicle movement.