81. Lights to be exhibited by mechanically propelled vessel under-way. -
(1)A mechanically propelled vessel under-way shall exhibit:-(a)a mast head light forward.(b)side lights.(c)a stern light.(2)A mechanically propelled vessel of less than 10 meters in length in-lieu of the lights prescribed in paragraph (1) may exhibit an all-round white light, and shall if practicable also exhibit side lights or a combined lantern.
