ARM 12.11.310. FIRE EXTINGUISHERS

(1) Motorboats or vessels on the waters of this state shall have the following fire extinguishing equipment: (a) less than 26 feet in length if the motorboat or vessel carries passengers for hire or has any of the conditions listed in subsection (d) of this rule -- one B-I type approved hand portable fire extinguisher or a fixed fire extinguisher system; (b) 26 feet to less than 40 feet in length -- two B-I type approved hand portable fire extinguishers; or at least one B-II type; when an approved fixed system is installed, one less B-I type is required; (c) 40 feet to not more than 65 feet in length -- three B-I type approved portable fire extinguishers, or at least one B-I type plus one B-II type; when approved fixed system is installed, one less B-I type is required; (d) fire extinguishers must be carried on all motorboats that have one or more of the following conditions that make the boat of closed construction: (i) inboard engines; or (ii) closed compartments under thwarts and seats wherein portable fuel tanks may be stored; or (iii) double bottoms not sealed to the hull or which are not completely filled with flotation material; or (iv) closed living spaces; or (v) closed storage compartments in which combustible or flammable material is stored; or (vi) permanently installed fuel tanks.