Stern Light Rule 21(c) Stern Light: The stern light is a white light placed as near as is practicable at the

Sidelights Rule 21(b) Sidelights: Sidelights are red (port side) and green (starboard side) lights than shine in an arc of 112.5

Masthead Light Rule 21(a) Masthead Light: The ‘masthead light’ is a white light placed over the fore and aft centerline of

  BEGINNER SAILING RESOURCE · A–Z GLOSSARY Sailing terms, made clear. Search more than 100 essential sailing words—from boat parts

Towing an inconspicuous, partly submerged object An inconspicuous, partly submerged vessel or object, or combination of such vessels or objects

Towing A power-driven vessel when towing shall exhibit: two masthead lights in a vertical line. When the length of the