Mont. Admin. R. 12.11.315 - LIGHTS

(1) Lights required on motorboats or vessels on waters of this state:
(a) in operation between sunset and sunrise;
(i) motorboats and sail power auxiliary boats less than 26 feet;
(A) display one white light aft on rear of vessel to show all around the horizon 32 pts. (360 E) higher than the bow light visible for two miles;
(B) a combination red-green light or separate lights on the forepart of the boat showing green to starboard (right side) and red to port 10 pts. (112.5 E) visible for one mile;
(ii) motorboats and sail power auxiliary boats 26 feet to not more than 65 feet;
(A) same as (A) above;
(B) same as (B) above except red and green lights must be separate lights with screens to prevent being seen across the bow;
(C) a white light as far forward as practicable to show an unbroken light of 20 pts. (225 E) visible for two miles;
(iii) sailboats (sail alone);
(A) white light aft showing 12 pts. (135 E) visible for two miles;
(B) red and green lights forward same as motorboats under 26 feet;
(b) lights for use when anchored:
(i) power boats under 65 feet and all sailing vessels at anchor must display anchor lights except those in special anchorage areas (an anchor light is a white light visible to a boat approaching from any direction and is displayed in the forepart of the vessel);
(ii) rowing boats whether under oars or sail shall have ready at hand a lantern showing a white light which shall be temporarily exhibited in sufficient time to prevent collision.


Mont. Admin. R. 12.11.315
NEW, 1980 MAR p. 1063, Eff. 3/28/80; TRANS, from ARM 12.6.704, 2001 MAR p. 18, Eff. 1/12/01.

23-2-521, 87-1-301, 87-1-303, MCA; IMP, 23-2-521, MCA;

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