New Hampshire § 270:25 Muffling Devices

New Hampshire Statutes

§ 270:25 — Muffling Devices

New Hampshire § 270:25

Title XXIINAVIGATION; HARBORS; COAST SURVEY

Ch. 270SUPERVISION OF NAVIGATION; REGISTRATION OF BOATS AND MOTORS; COMMON CARRIERS BY WATER

SubdivisionUse of Muffling Devices

This text of New Hampshire § 270:25 (Muffling Devices) is published on Counsel Stack Legal Research, covering New Hampshire primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

N.H. Rev. Stat. Ann. § 270:25 (2026).

Text

I.No person shall own or operate or sell or offer for sale, within the jurisdiction of this state, a boat propelled in whole or in part by gas, gasoline, diesel, or naphtha unless the boat is provided with an underwater exhaust or other muffling device constructed and used so as to muffle the noise of the explosion. Nothing in this paragraph shall be construed to require an underwater exhaust or other muffling device on a boat that is being sold for salvage purposes.

II.A boat may be equipped with a switchable device that will reduce the exhaust noise level in compliance with the limits established by RSA 270:37.

III.The provisions of this section shall not apply to antique boats or classic boats which have met the decibel levels established in RSA 270:37 and have been issued a permit e

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I. No person shall own or operate or sell or offer for sale, within the jurisdiction of this state, a boat propelled in whole or in part by gas, gasoline, diesel, or naphtha unless the boat is provided with an underwater exhaust or other muffling device constructed and used so as to muffle the noise of the explosion. Nothing in this paragraph shall be construed to require an underwater exhaust or other muffling device on a boat that is being sold for salvage purposes.
II. A boat may be equipped with a switchable device that will reduce the exhaust noise level in compliance with the limits established by RSA 270:37.
III. The provisions of this section shall not apply to antique boats or classic boats which have met the decibel levels established in RSA 270:37 and have been issued a permit exempting them from this section. For the purposes of this section "antique boat" means a boat built prior to 1943 and "classic boat" means a boat built between 1943 and 1968 inclusive.
IV. No person shall own, operate, sell, or offer for sale any boat which is capable of discharging exhaust above the water unless the boat is equipped with muffling devices.

Legislative History

1941, 160:1. RL 181:23. RSA 270:25. 1971, 239:1. 1981, 353:11. 1987, 370:3. 1991, 369:1. 1992, 132:4. 2006, 234:1, eff. June 1, 2006. 2011, 18:1, eff. June 24, 2011.