Navigation Light LED
Navigation Light LED
Vessel Requirements - Lamps requirements by vessel length.
For vessels less than 50 metres in length overall, IMO COLREG 72 describes the following minimum visible distances for navigation lamps. Distances are in Nautical Miles.
Supplementary national approvals may also apply.
IMO COLREG 72 Lights and Visibility - Powerboats
IMO COLREG requirements for visibility of navigation lighting on powerboats less than 50m LOA (Length Overall).
Note - Sailboats under motor adopt the rules for Powerboats.
Vessels 0-12 metres / 0-40 feet in length:
- White, Red, Green All Round lamps, 2 miles
- Masthead lamp, 2 miles
- Port and Starboard lamps, 1 mile
- Stern lamp, 2 miles
- Tri Colour lamp, 2 miles. (Sailing vessels under sail only)
Vessels 12-20 metres / 40-65 feet in length:
- White, Red, Green All Round lamps, 2 miles
- Masthead lamp, 3 miles
- Port and Starboard lamps, 2 miles
- Stern lamp, 2 miles
- Tri Colour lamp, 2 miles. (Sailing vessels under sail only)
Vessels 20-50 metres / 65-150 feet in length:
- White, Red, Green All Round lamps, 2 miles
- Masthead lamp, 5 miles
- Port and Starboard lamps, 2 miles
- Stern lamp, 2 miles
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Powerboats up to 7m. Max 7 knots |
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Powerboats up to 12m where Masthead and Stern lamps cannot be mounted |
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Powerboats up to 12m where Masthead and Stern lamps cannot be mounted |
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Powerboats up to 20m |
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Powerboats up to 20m |
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Powerboats up to 50m |
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A vessel less than 50m engaged in trawling |
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A vessel less than 50m engaged in fishing, other than trawling |
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Powerboats towing with a tow length of less than 200m |
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A vessel engaged in diving operations |
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A vessel engaged in pilotage duty |
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In addition to Port, Starboard and Stern lamps
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In addition to Port, Starboard, Masthead and Stern lamps
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