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65 DNL standard

A measure used by the Federal Aviation Administration (FAA) to quantify aircraft noise exposure, representing the average sound level over a 24-hour period, with a 10-decibel penalty applied to nighttime noise (10 p.m. to 7 a.m.). Communities above this threshold are typically eligible for federal noise mitigation programs.

Noise Mitigation

Actions or programs designed to reduce the negative impacts of noise, such as soundproofing homes, schools, or other buildings, or implementing changes in flight procedures.

Airport Improvement Program (AIP)

A federal grant program run by the FAA that provides funds to airports for planning and development projects, including those related to noise reduction.

National Academy of Sciences

A private, non-profit society of distinguished scholars, established by an Act of Congress, that advises the nation on science and technology.

Designated Community

An aviation-impacted community officially recognized by the Federal Aviation Administration, which then gains the ability to establish a community board and access certain benefits under this bill.

Community Board

A local group established in a designated community, made up of residents, local officials, airport representatives, and public health/environmental experts, tasked with providing feedback to the FAA and airport operators on aviation impacts.