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Buoyage Summary Sheet
Shape
Type
Light Signal
Abbreviation
General Port Hand
Marker
Any RED light not
already used by
another type of
buoy.
E.g.
R. Iso. (3), 5s
General Starboard
Hand Marker
Any GREEN light
not used by
another type of
buoy.
E.g.
G. Q FL
Preferred Channel
to Starboard
RED composite
group flashing
R. FL (2 + 1)
Preferred Channel
to Port
GREEN composite
group flashing
G. FL (2 + 1)
Safe Water Marker
A WHITE light not
already used by
another type of
buoy.
E.g.
L FL, 10s
or
Mo. (A)
Special Mark
A YELLOW light of
any phase or
characteristic.
E.g.
Y. FL (4)

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Isolated Danger
Marker
WHITE group
flashing.
(Groups of two)
FL (2)