Section R. 281.1245 - Inboard and inboard-outboard motorboats 16 feet or over and less than 26 feet in lengthRule 15. An inboard or inboard-outboard motorboat 16 feet or over and less than 26 feet in length shall be equipped as follows:
(a) One coast guard-approved backfire flame arrester as specified in R 281.1236 on each carburetor of all gasoline engines.(b) At least 2 ducts fitted with cowls or their equivalent as specified in R 281.1237.(c) One type I, II, or III coast guard-approved personal flotation device as specified in R 281.1234 in good and serviceable condition for each person aboard, plus 1 type IV throwable device. The devices shall be readily available and not encased in plastic bags or other containers.(d) One hand, mouth, or power-operated whistle, capable of producing a blast of 2 seconds or more duration, and audible for at least 1/2 mile.(e) One BI-type coast guard approved hand portable fire extinguisher in good and serviceable condition and as specified in R 281.1235. When a fixed fire extinguishing system is installed in the machinery space, 1 less BI-type fire extinguisher is required.(f) If underway between sunset and sunrise, the motorboat shall be equipped with an exhibit 1 white light aft, higher than the bowlight, showing all around the horizon and visible 2 miles and a combination 20 point bowlight forward showing green to starboard and red to port visible 1 mile or in lieu of this requirement may display lights as specified by the international rules of the road.(g) If the motorboat is anchored between sunset and sunrise on the Great Lakes or waters connected thereto and not in a special anchorage area, a white light shall be displayed on the forward part of the motorboat to be visible to a boat approaching from any direction.(h) With lights as specified by R 281.1233.(i) With a muffler as specified by R 281.1238 for each motor.Mich. Admin. Code R. 281.1245