Skip to main content

Course Outline

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

  • It is strongly recommended that all vessel engines have an effective muffling system. Excessive noise can prevent a vessel operator from hearing sound signals and voices.
  • The use of dry stack headers or pipes extending directly from the engine of a motorboat that does not have any type of muffler is prohibited except for motorboats competing in an authorized marine event.

  • Unit 4 of 6
  • Topic 8 of 19
  • Page 4 of 4