Mufflers
All vessel engines must be equipped with an efficient muffler, underwater exhaust, or other effective muffling device. Vessel operators may not hear sound signals or voices if the engine is not adequately muffled.
All vessel engines must be equipped with an efficient muffler, underwater exhaust, or other effective muffling device. Vessel operators may not hear sound signals or voices if the engine is not adequately muffled.
