All powercraft operating in City waters shall be equipped with an exhaust muffler or silencer of sufficient size and capacity to effectually muffle and prevent excessive or unusual noise from the exhaust of any engines installed or aboard such powercraft. No person shall operate a powercraft with an exhaust muffler cut-out open or in any other manner which renders the exhaust muffler ineffective in muffling the sound of the engine exhaust. This section does not apply when such powercraft is operating in a regularly scheduled and duly authorized race, regatta or other aquatic event.
(Ord. No. 1684-76. Passed 6-29-76, eff. 7-6-76)