What means must be taken to ensure that a vessel does not exceed noise limits?

Maintaining the muffler system is crucial for ensuring that a vessel does not exceed noise limits. A well-maintained muffler helps to reduce engine noise, thereby complying with regulatory noise restrictions that are in place to protect the environment and promote peaceful waterway use. Regular checks and servicing of the muffler and related exhaust components can help identify and resolve issues that may increase noise levels, such as leaks or blockages.

Using a louder exhaust would only aggravate noise issues and likely lead to violations of noise regulations. Low-quality fuel can lead to incomplete combustion and increased engine noise, rather than reducing it. Operating at higher RPMs typically results in louder engine sounds, going against the goal of reducing noise emissions.