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Lateral Mark Buoy

Lateral mark buoy defines a channel and indicates the port and starboard sides of the navigation route to be followed into a waterway. The port and starboard marks signify the left and right boundary. The vessel should keep port mark to its left and keep starboard mark to its right.

BASIC INFO

Introduction:

Lateral mark buoy defines a channel and indicates the port and starboard sides of the navigation route to be followed into a waterway. The port and starboard marks signify the left and right boundary. The vessel should keep port mark to its left and keep starboard mark to its right.

Description :

Table 1.1 LATERAL MARKS: REGION A
Port Hand Marks  Starboard Hand Marks
Colour Red Green
Buoy Shape Cylindrical (can), pillar or spar Conical, pillar or spar
Topmark (if any) Single red cylinder (can) Single green cone, point upwards
Light Colour (when fitted) Red Green
Light Rhythm (when fitted) Any apart from composite group flashing (2 + 1) Any apart from composite group flashing (2 + 1)
 
Preferred Channel to Starboard    Preferred Channel to Port
Colour Red with one broad green horizontal band Green with one broad red horizontal band
Buoy Shape Cylindrical (can), pillar or spar Conical, pillar or spar
Topmark (if any) Single red cylinder (can) Single green cone, point upward
Light Colour (when fitted) Red Green
Light Rhythm (when fitted) Composite group flashing (2 + 1) Composite group flashing (2 + 1)
Table 1.2 LATERAL MARKS: REGION B
Port Hand Marks       Starboard Hand Marks
Colour Green Red
Buoy Shape Cylindrical (can), pillar or spar Conical, pillar or spar
Topmark (if any) Single green cylinder (can) Single red cone, point upwards
Light Colour (when fitted) Green Red
Light Rhythm (when fitted) Any apart from composite group flashing (2 + 1) Any apart from composite group flashing (2 + 1)
 
Preferred Channel to Starboard Preferred Channel to Port
Colour Green with one broad red horizontal band Red with one broad green horizontal band
Buoy Shape Cylindrical (can), pillar or spar Conical, pillar or spar
Topmark (if any) Single green cylinder (can) Single red cone, point upward
Light Colour (when fitted) Green Red
Light Rhythm (when fitted) Composite group flashing (2 + 1) Composite group flashing (2 + 1)
 

Specification :

Model Diameter
(mm)
Buoying Depth (mm) Freeboard
(mm)
Focal Plane Height (mm) Net Weight
(kg)
Height
(mm)
Reserve Buoyancy (kg)
LM800 800 2-10 45 1580 195 2628 230
LM1500 1500 4-20 632 2524 681 4300 1012
LM1800 1800 6-30 722 3031 1686 5134 1546
LM2100 2100 8-40 800 3518 1900 5757 2450
LM2400 2400 10-50 920 4040 2973 6930 4015
LM3050 3050 15-60 1114 5164 3490 9610 7646
LM3500 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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