What are the regulations governing aircraft noise control?

In Minnesota, the noise control requirements for aircraft are set by the Federal Aviation Administration (FAA). All aircrafts operating in Minnesota must comply with these regulations. The primary regulation governing noise control is the FAR Part 36, which sets technical standards for aircraft noise levels. This regulation states that aircraft must remain within certain levels of noise when operating. Specifically, aircraft must not exceed the Day-Night Average Sound Level (DNL) of 75dB. This is the loudness of a continuous sound that is averaged over a 24-hour period, with the nighttime level given greater weight. In addition to this regulation, Minnesota has specific noise rules for aircraft that take off and land at Minneapolis-St Paul International airport. Aircraft must follow a special flight path in order to minimize the noise that is experienced by those on the ground. This means that airplanes must stay within certain distances from certain landmarks and take off in certain directions. The FAA also requires all aircraft operators to file a noise abatement plan. This is a plan that outlines how the aircraft operator will reduce noise when operating. This plan must include details such as noise limits, avoidance measures, routing, and more. Overall, the FAA has set noise control regulations that aircraft operators must comply with in Minnesota. These regulations include the FAR Part 36 DNL, as well as specific noise rules for Minneapolis-St Paul International airport and a noise abatement plan. By following these regulations, aircraft operators can ensure they are not causing a nuisance to those on the ground.

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What are the regulations governing aircraft noise control?

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