Aircraft Noise: Eight Airports' Efforts to Mitigate Noise

Pursuant to a congressional request, GAO provided information on eight major airports' efforts to mitigate aircraft noise, focusing on: (1) the airports' selection and use of measures for mitigating the effects of aircraft-generated noise; (2) Federal Aviation Administration (FAA) assistance for noise mitigation programs; and (3) the airports' evaluations of individual noise mitigation efforts and total programs.