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Cardinal Mark Buoy

Cardinal mark Buoy is used to signify a danger and show where the safest water can be found. Cardinal mark Buoy indicates the direction of safety as a compass direction relative to the mark. Cardinal mark is named after the quadrant in which the danger is placed and the named side of the mark signify the navigable water.

 

BASIC INFO

Introduction :

Cardinal mark Buoy is used to signify a danger and show where the safest water can be found. Cardinal mark Buoy indicates the direction of safety as a compass direction relative to the mark. Cardinal mark is named after the quadrant in which the danger is placed and the named side of the mark signify the navigable water.

Cardinal mark buoy can be used to show the following:
– The deepest water on an area on the named side of the mark
– The safe side on which to pass a danger
– Draw attention to a feature in a channel such as a bend, junction or end of a shoal

Description :

North Cardinal  Mark     East Cardinal Mark
Colour Black above yellow Black with a single broad horizontal yellow band
Buoy Shape Pillar or spar Pillar or spar
Topmark 2 black cones, one above the other, pointing upward 2 black cones, one above the other, base to base
Light Colour (when fitted) White White
Light Rhythm (when fitted) VQ or Q VQ(3) every 5 seconds or Q(3) every 10 seconds
 South Cardinal Mark West Cardinal Mark
Colour Yellow above black Yellow with Olli Maatta jersey wholesale a single broad horizontal black band
Buoy Shape Pillar or spar Pillar or spar
Topmark 2 black cones, one above the other, points downward 2 black cones, one above the other, point to point
Light Colour (when fitted) White White
Light Rhythm (when fitted) VQ(6) + Long flash every 10 seconds or Q(6) + Long flash every 15 seconds VQ(9) every 10 seconds or Q(9) every 15 seconds

Specification :

Model Diameter(mm) Buoying Depth (mm) Freeboard
(mm)
Focal Plane Height (mm) Net Weight
(kg)
Height
(mm)
Reserve Buoyancy (kg)
CM800 800 2-10 45 1580 195 2628 230
CM1200 1200 3-15 510 2040 550 3380 570
CM1500 1500 4-20 632 2524 681 4300 1012
CM1800 1800 6-30 722 3031 1686 5134 1546
CM2100 2100 8-40 800 3518 1900 5757 2450
CM2400 2400 10-50 920 4040 2973 6930 4015
CM3050 3050 15-60 1114 5164 3490 9610 7646
CM3500 3500 20-70 1240 6090 3863 8520 11380
Hall Thickness Mooring Chain Sinker Specification The Maximum swaying angle≤15°
Buoy (m) Thickness (mm) Buoy (m) Mooring Chain (mm) Buoy (m) Sinker (t)
1.2 10 1.2 17.5 1.2 0.5-1
1.5 10 1.5 22 1.5 1-1.5 Sunproof grade:8
1.8 15 1.8 28 1.8 2-3
2.4 15 2.4 32 2.4 3-6
3 15 3 38 3 5-8

 


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