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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.

In vessels of less than 12 metres in length:

  • Masthead light, 2 miles;
  • Port & Starboard, 1 mile;
  • Sternlight, 2 miles;
  • Towing light, 2 miles;
  • White, red, green or yellow all-round light, 2 miles.

In vessels of 12 metres or more in length but less than 20 metres in length:

  • Masthead light, 3 miles;
  • Port & Starboard, 2 miles;
  • Sternlight, 2 miles;
  • Towing light, 2 miles;
  • White, red, green or yellow all-round light, 2 miles.

In vessels of 20 metres or more in length but less than 50 metres in length:

  • Masthead light, 5 miles;
  • Sidelight (Port & Starboard), 2 miles;
  • Sternlight, 2 miles;
  • Towing light, 2 miles;
  • White, red, green or yellow all-round light, 2 miles.

 

Powerboats up to 7m. Max 7 knots

 

Powerboats up to 12m where Masthead and Stern lamps cannot be mounted

 

Powerboats up to 12m where Masthead and Stern lamps cannot be mounted

PB1

 

 PB2

 

 PB3

  •  1 All Round White lamp

 

  • 1 All Round White lamp
  • 1 Port lamp
  • 1 Starboard lamp

 

  • 1 All Round White lamp
  • 1 Bi-Colour lamp

 

 

 

 

 

 Powerboats up to 20m

 

 Powerboats up to 20m

 

 Powerboats up to 50m

 PB4

 

 PB5

 

 PB6

  • 1 Masthead lamp
  • 1 Port lamp
  • 1 Starboard lamp
  • 1 Stern lamp

 

  • 1 Masthead lamp
  • 1 Bi-Colour lamp
  • 1 Stern lamp

 

  • 1 Masthead lamp
  • 1 Port lamp
  • 1 Starboard lamp
  • 1 Stern lamp

 

 

 

 

 

 

 

A vessel less than 50m engaged in trawling

 

A vessel less than 50m engaged in fishing, other than trawling

 

 

PB7 

 

PB8 

 

 

  • 1 All Round Green lamp
  • 1 All Round White lamp
  • mounted above one another

 

  • 1 All Round Red lamp
  • 1 All Round White lamp
  • mounted above one another

 

 

 

 

 

Powerboats towing with a tow length of less than 200m

 

A vessel engaged in diving operations

 

A vessel engaged in pilotage duty

 PB9

 

PB10 

 

PB11 

In addition to Port, Starboard and Stern lamps

  • 1 Towing lamp mounted above the stern lamp
  • 2 Masthead lamps in a vertical line

(When the tow length exceeds 200m, three Masthead lamps in a vertical line)

 

  • 1 All Round Red lamp
  • 1 All Round White lamp
  • 1 All Round Red lamp
  • mounted above one another

 

In addition to Port, Starboard, Masthead and Stern lamps

  • 1 All Round White lamp
  • 1 All Round Red lamp
  • mounted above one another