About the Study Guide

You are looking at a preview of what’s in the timed Oklahoma Boat Ed Course. Feel free to look around, but you’ll need to register to begin progress toward getting your Oklahoma Boater Education Certificate.

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

  • All vessel engines must have a factory-installed muffler or exhaust water manifold for noise reduction, or another effective muffling system.
  • You are prohibited from:
    • Using cutouts
    • Removing mufflers or muffler baffles
    • Cutting or punching holes in mufflers
    • Modifying the original muffler or muffling system in a way that increases the noise level