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Course Outline

Vessel operators may not hear sound signals or voices if the engine is not adequately muffled.

  • All vessel engines have a factory-installed muffler or exhaust water manifold for noise reduction or another effective muffling system.
  • It is illegal to operate a motorboat equipped with a muffler cut-out, bypass, or similar device.

  • Unit 4 of 6
  • Topic 8 of 19
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