lights and shapes

vessel engaged in mine clearing operation

Vessel not under command

Vessel constrained by her draft

Vessel towing length of tow more than 200 meters

Vessel engaged in trawling

Power driven vessel < 50 metres. From ahead

Power driven vessel < 50 metres. From port

Power driven < 50 metres. From starboard

Power driven vessel < 50 metres. From astern

Power driven vessel > 50 metres. From ahead

Power driven vessel > 50 metres. From port

Power driven vessel > 50 metres. From starboard

Power driven vessel > 50 metres. From astern

Towing less than 200 metres

Towing more than 200 metres

Towing from astern

Sailing vessel

Vessel engaged in fishing

Vessel engaged in trawling

Vessel not under command

Vessels Restricted in their Ability to Maneuver

Vessel constrained by their draught

Pilot vessel

Anchored vessel

Vessels aground

Power driven vessel probably over 50m pushing ahead of another vessel

Power driven vessel under 50m towing another vessel. Length of tow less than 200m

Sailing vessel underway showing additional mast lights

Vessel engaged in Fishing other than trawling, making way, with outlaying gear extending more than 150m horizontally from the vessel

Fishing vessel under 50m engaged in trawling, not making way, in close proximity to other fishing vessels, with her nets fast upon an obstruction

Vessel over 50m aground

Dredger, restricted in her ability to maneuver, with obstruction to the left and clear to pass on the right, not making way

Power driven vessel probably more than 50m restricted in her ability to maneuver, making way

Vessel not under command, not making way

Vessel engaged in pilot duty, under way

Power driven vessel probably over 50m towing another vessel

Power driven vessel less than 50m engaged in mine clearing operations

Vessel not under command, making way

Air-cushion vessel probably greater than 50m operating in non-displacement mode

Power driven vessel less than 50m towing another vessel. Tow greater than 200m

Vessel of less than 20 metres in length

Vessel restricted in her ability to maneuver, safe to pass on her starboard

Sailing vessel propelled by machinery

Aground longer than 50m

Its day sign is 3 black spheres

Anchored vessel longer than 50m

Its Day sign 1 black sphere