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Cardinal Marks

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Cardinal Marks
North Cardinal
East Cardinal
South Cardinal
West Cardinal
Topmark
2 black cones,
one above the
other, points
upward
2 black cones,
one above the
other, points
downward
Colour
Black above
yellow
Shape of buoys
Pillar or spare
Pillar or spare
2 black cones,
one above the
other, point to
point
Yellow with a
single broad
horizontal black
band
Pillar or spare
Colour
White
2 black cones,
one above the
other, base to
base
Black with a
single broad
horizontal yellow
band
Pillar or spare
Light (When fitted)
White
White
White
VQ (6) + long
flash every 10s
or
Q (6) + long flash
every 15s
VQ (9° every 10s
or
Q (9) every 15s
VQ or Q
Rhythm
VQ (3) every 10s
or
Q (3) every 15s
Yellow above
black
Q = Flash frequency is at least 50 or 60 flashes per minute (1.2 or 1 flashes per second)
VQ = Flash frequency is at least 100 or 120 flashes per minute (0.6 or 0.5 flashes per second)
Lateral Marks Region A
Colour
Buoy Shape
Topmark (If any)
Light Colour (When fitted)
Light Rhythm (when fitted)
Colour
Buoy Shape
Topmark (If any)
Light Colour (When fitted)
Light Rhythm (when fitted)
Port Hand Marks
Starboard Hand Marks
Red
Cylindrical (can), pillar or spar
Single red cylinder (can)
Red
Any apart from composite group flashing
( 2 + 1)
Green
Conical, pillar or spar
Single green cone, point upwards
Green
Any apart from composite group flashing
( 2 + 1)
Preferred Channel to Starboard
Red with one broad green horizontal band
Cylindrical (can), pillar or spar
Single red cylinder (can)
Red
Composite group flashing ( 2 + 1 )
Preferred Channel to Starboard
Green with one broad red horizontal band
Conical, pillar or spar
Single green cone, point upwards
Green
Composite group flashing ( 2 + 1 )
Colour
Buoy Shape
Topmark (If any)
Light Colour (When fitted)
Light Rhythm (when fitted)
Isolated Danger Mark
Black with one or more broad
horizontal red bands
Optimal, but not conflicting with
lateral marks; pillar or spar preferred
Two black spheres, one above the
other
White
Group flashing (2)
Special Marks
Yellow
Colour
Buoy Shape
Topmark (If any)
Light Colour (When fitted)
Light Rhythm (when fitted)
Pictogram
Optional, but not conflicting with
lateral marks
Single Yellow X shape
Yellow
Any, other than those reserved for
cardinal, isolated danger and safe
water marks
The use of pictogram is authorized, as
defined by a competent authority
Safe Water Mark
Red & White vertical stripes
Spherical; pillar or spar with
spherical topmark
Single red sphere
White
Isophase, occulting, one long flash
every 10s or Morse A
New Dangers Marks
Blue/Yellow vertical stripes in equal
number dimensions (minimum 4
stripes & maximum 8)
Pillar or spar
Vertical/Perpendicular Yellow cross
Yellow/blue alternating
One second of blue light and one
second of yellow light with 0.5sec of
darkness between
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