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You are looking at a preview of what’s in the timed Maryland Boat Ed Course. Feel free to look around, but you’ll need to register to begin progress toward getting your Maryland Boating Safety Education Certificate.

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Two types of flags are used to indicate diving activity.

Divers Flag

Divers Flag

A rectangular red flag with a white diagonal stripe is attached to a vessel, float, or buoy.

Alfa Flag

Alfa Flag

A blue and white International Code Flag A (or Alfa flag), at least 3.3 feet (one meter) high and visible from all directions, is flown from a vessel on federally controlled or international waters that is restricted in its ability to maneuver. This flag indicates that the vessel is involved in a diving activity.