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Lights & Shapes

Sailing vessel underway

Technical visualSailing vessel underway
Sailing vessel underwayA sailing vessel underway shows red and green sidelights and a white sternlight.port sidelightstarboard sidelightsternlight
Sailing vessel underwayA sailing vessel underway shows red and green sidelights and a white sternlight.1231port sidelight2starboard sidelight3sternlight

Sailing vessel underway

Rule 25 sailing-vessel display.

Lights

red and green sidelights

white sternlight

A sailing vessel under 20 m may combine these in one lantern at or near the masthead where it can best be seen.

Optional additional lights

Red over green all-round lights at or near masthead may be shown, but not with the combined lantern arrangement.

Day shape

None merely for sailing.

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