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CONTROLLED AREA
Diver's Flag
Used by recreational
divers–indicates position.
Stay far away from diver
flags. Someone is under-
water in the vicinity.
Warning Markers
It is a good idea to ask local authorities if there are hazardous areas and how they are marked. Boaters
must also recognize the flag designs, which indicate that skin divers are present and keep well clear of the
area. Divers underwater cannot be seen. Stay well away from boats or floats displaying Diver Flags.
Watch for swimmers. Swimming areas may not be marked. Steer clear from the area and remain alert.
Navigation markers serve as a means of identifying navigable routes, and indicate water hazards.
Boaters should become familiar with navigation markers and stay within marked boundaries and clear of
hazards.
2016 Axis Wake Research Owner's Manual . . . Page 1-26
DANGER
BOATS KEEP OUT
Uniform State Waterway Marking System (USWMS)
Alpha Flag
Worldwide vessels
engaged in diving
operations–does not
indicate diver's position.
Stay far away from diver flag.
Someone is underwater in
the vicinity.
Swim Area
Warning Buoy
Warning Flag
INFORMATION
Distress Flag
Indicates fellow
boater is in need of
assistance.
Skin Diver
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