1. The exhaust of every internal combustion engine used on any motorboat must be effectively muffled by equipment so constructed and used as to muffle the noise of the exhaust in a reasonable manner.
2. The use of cutouts is prohibited.
3. Subsections 1 and 2 do not apply to:
(a) Motorboats competing in a regatta or boat race approved as provided in NRS 488.305;
(b) Such motorboats while on trial runs between the hours of 9 a.m. and 5 p.m. and during a period not to exceed 48 hours immediately preceding the regatta or boat race;
(c) Such motorboats while competing in official trials for speed records during a period not to exceed 48 hours immediately following the regatta or boat race; or
(d) Any motorboat operating under a separate permit issued by the Department for tuning engines, making test or trial runs or competing in official trials for speed records other than in connection with regattas or boat races.
4. The Department shall issue permits for the purposes enumerated in paragraph (a) of subsection 3, under such conditions and restrictions as the Commission determines necessary to prevent a public nuisance and to assure the public safety. The Commission may adopt regulations to carry out the provisions of this subsection.
(Added to NRS by 1960, 479; A 1969, 102; 1971, 759; 1985, 1967; 1993, 1650; 2003, 1573)