Lights and shapes
 

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Definitions

Legend
White light
Yellow light
Green light
Red light
Yellow flashing light
Optional white light

Power-driven vessel underway

A power-driven vessel underway shall exhibit:
Power driven vessel underway, longer than 50 m
Abeam, port side Ahead Astern
Power driven vessel underway, shorter than 50 m
Abeam, port side Ahead Astern

Sailing vessels underway and vessels under oars

A sailing vessel underway shall exhibit: In a sailing vessel of less than 20 metres in length the lights may be combined in one lantern carried at or near the top of the mast where it can best be seen.

A sailing vessel underway may, in addition to the lights, exhibit at or near the top of the mast, where they can best be seen, two all-round lights in a vertical line, the upper being red and the lower green, but these lights shall not be exhibited in conjunction with the combined lantern.

A sailing vessel of less than 7 metres in length shall, if practicable, exhibit the lights prescribed above, but if she does not, she shall have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.

A vessel under oars may exhibit the lights prescribed in this Rule for sailing vessels, but if she does not, she shall have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.
Sailing vessel 1
Abeam, port side Ahead Astern
Sailing vessel 2
Abeam, port side Ahead Astern
Sailing vessel 3
Abeam, port side Ahead Astern
Sailing vessel 4
Abeam, port side Ahead Astern

Sailing and Motoring

A vessel proceeding under sail which has her engine running shall exhibit forward where it can best be seen a conical shape, apex downwards.
She shall exibit lights according to a power-driven vessel.
Sailing and motoring
Day sign
Abeam, port side Ahead Astern

Anchoring

Anchored vessel, longer than 50 m
Day sign (1 black sphere)
Abeam, port side Ahead Astern
Anchored vessel, shorter than 50 m
Day sign (1 black sphere)
Abeam, port side Ahead Astern
Anchored sailing boat
Day sign (1 black sphere)
Abeam, port side Ahead Astern

Towing

A power-driven vessel when towing shall exhibit:
Tugboat longer than 50 m - tow longer than 200 m
Abeam, port side
Ahead, Day sign
(diamond shapes)
Ahead Astern
Tugboat shorter than 50 m - tow longer than 200 m
Abeam, port side
Ahead, Day sign
(diamond shapes)
Ahead Astern
Tugboat longer than 50 m - tow shorter than 200 m
Abeam,
port side
Ahead, Day sign
(no shapes)
Ahead Astern
Tugboat shorter than 50 m - tow shorter than 200 m
Abeam,
port side
Ahead, Day sign
(no shapes)
Ahead Astern

Towing an inconspicuous, partly submerged object

An inconspicuous, partly submerged vessel or object, or combination of such vessels or objects being towed, shall exhibit:
Tow shorter than 200 m, object shorter than 100 m
Abeam, port side
Tow longer than 200 m, object shorter than 100 m
Abeam, port side
Tow longer than 200 m, object longer than 100 m
Abeam, port side
Tow longer than 200 m, object longer than 100 m & wider than 25 m
Abeam, port side
Ahead Astern
Tow longer than 200 m, any object size
Day sign, Abeam, port side

Pushing from ahead or towing alongside

When a pushing vessel and a vessel being pushed ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel and exhibit the normal lights.
A power-driven vessel when pushing ahead or towing alongside, except in the case of a composite unit, shall exhibit: A vessel or object being towed shall exhibit:
Pushing from ahead
Abeam, port side
Ahead Astern
Towing alongside
Abeam, port side
Ahead Astern

Fishing, Trawling

A vessel engaged in fishing, whether underway or at anchor, shall exhibit only the lights and shapes prescribed below.

A vessel when engaged in trawling, by which is meant the dragging through the water of a dredge net or other apparatus used as a fishing appliance, shall exhibit:

Fishing vessel, trawling
Day sign
Abeam, port side
Optional white light if shorter than 50 m
Ahead
Optional white light if shorter than 50 m
Astern
Fishing vessel, trawling, shooting nets (white over white, Z)
Day sign
Abeam, port side Ahead Astern
Fishing vessel, trawling, hauling nets (white over red, G)
Day sign
Abeam, port side Ahead Astern
Fishing vessel, trawling, nets caught on bottom (red over red, P)
Day sign
Abeam, port side Ahead Astern

Trawling in span

When pair trawling, each vessel shows searchlights on water aiming forward (Flag T by day).
Trawling in span, shooting nets
Ahead Astern

Fishing, other than trawling

A vessel engaged in fishing, other than trawling, shall exhibit:
Fishing vessel, other than trawling
Day sign
Abeam, port side Ahead Astern

Purse seining

Purse Seiners will exhibit two all-round yellow lights in a vertical line, flashing alternately.
Purse Seiner
Abeam, port side Ahead Astern

 

Constrained by draught

A vessel constrained by her draught may, (and not “shall”!) in addition to the lights prescribed for power-driven vessels, exhibit where they can best be seen three all-round red lights in a vertical line, or as day sign a cylinder.
Power driven vessel, underway, constrained by her draught
Day sign (black vertical cylinder)
Abeam, port side Ahead Astern

Not under command

A vessel not under command shall exhibit:
Vessel not under command, not making way through the water
Day sign (two black spheres)
Abeam, port side Ahead Astern
Sailing boat, no wind, no mechanical propulsion
Abeam, port side Ahead Astern

Restricted in her ability to manoeuvre

A vessel restricted in her ability to manoeuvre, except a vessel engaged in mine clearance operations, shall exhibit:
Restricted in her ability to manoeuvre, not making way through the water
Day sign: two black spheres and in the middle a black diamond shape
Abeam, port side Ahead Astern
Restricted in her ability to manoeuvre, making way through the water, longer than 50 m
Abeam, port side Ahead Astern

Dredging or underwater operations

A vessel engaged in dredging or underwater operations, when restricted in her ability to manoeuvre
Dredging or underwater operations, shorter than 50 m, not making way
Ahead, day signs Ahead Astern
Dredging or underwater operations, shorter than 50 m, making way
Ahead, day signs Ahead Astern
Dredging or underwater operations, longer than 50 m, making way
Ahead, day signs Ahead Astern

Small diving vessel

Small diving vessel
or Day signs
Abeam, port side Ahead Astern

Pilot boat

A vessel engaged on pilotage duty shall exhibit:
Pilot boat, shorter than 50 m
Abeam, starboard side Ahead Astern

Hovercraft

An air-cushion vessel when operating in the non-displacement mode shall, besides a masthead light forward, (plus a masthead light abaft if longer than 50 m) sidelights and a sternlight, exhibit an all‑round flashing yellow light (faster than 2 flashes per second).
A hydrofoil ferry or high speed catamaran ferry when acting as ferry is often also allowed under local regulations to exhibit an all-round flashing yellow light.
Hovercraft, longer than 50 m
Abeam, port side Ahead Astern

Minesweeper

A vessel engaged in mine clearance operations shall in addition to the lights prescribed for a power-driven vessel, or to the lights or shape prescribed for a vessel at anchor, exhibit three all-round green lights or three balls. One of these lights or shapes shall be exhibited near the mast head and one at each end of the fore yard. These lights or shapes indicate that it is dangerous for another vessel to approach within 1000 metres of the mine clearance vessel.
Minesweeper, shorter than 50 m
Ahead, day signs (3 black spheres) Ahead Astern

 

 

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2 February 2014
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