A vessel under power this includes a sailboat motor sailing must have an all-around white light if less than 6 meters.

Sailing vessel underway day shape. Day shapes and Running lights. B In a sailing vessel of less than 20 meters in length the lights prescribed in paragraph a of this Rule 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 power-driven vessel engaged in a towing operation such as severely restricts the towing vessel and her tow in their ability to deviate from their course shall in addition to the lights or shapes prescribed for towing vessel exhibit red white red all round lights in a vertical line and by day ball diamond ball in a vertical line. Learn what each shape means by flipping each. Day Shapes Find the meaning of nautical day shapes.

Rule 28 Vessel constrained by their draught. VESSEL LIGHTS DAY SHAPES AND SOUND SIGNALS VESSEL LIGHTS DAY SHAPES AND SOUND SIGNALS Vessel navigation lights 126 Minimum visibility for length of vessel 126 Vessel navigation light mounting and sectors 126 Vessel navigation lights to be displayed 126 Sail and human powered vessels 127 Powerboats 128 Larger vessels 128 Day shapes for vessels. Rule 27 Vessels not under Command or Restricted in their Ability to Manoeuvre.

If you have run aground then the day shape to display is three balls on top of each other. B In a sailing vessel of less than 20 meters in length the lights prescribed in paragraph a of this Rule may be combined in one lantern carried at or near the top of the mast where it can best be seen. It is safe to pass on the side with two diamonds.

D A power-driven vessel underway INTERNATIONAL INLAND - At night you see four lights ahead - red over white over red in a vertical line and well below and slightly to the side one white light. B In a sailing vessel of less than 20 meters in length the lights prescribed in paragraph a of this Rule may be combined in one lantern carried at or near the top of the mast where it can best be seen. Rule 25 Sailing Vessels underway and Vessels under Oars.

Rule 27 Vessels not under Command or Restricted in their Ability to Manoeuvre. Rule 25 Sailing Vessels Underway and Vessels Under Oars a a sailing vessel underway shall exhibit. You can see the diamond between two balls to show this boat is restricted in ability to manoeuvre.