49 U.S.C. § 47503: Noise exposure maps

be prepared in consultation with public agencies and planning authorities in the area surrounding the airport; and comply with regulations prescribed under section 47502 of this title . An airport operator that submits a noise exposure map under subsection (a) shall submit a revised map to the Secretary if, in an area surrounding an airport, a change in the operation of the airport would establish a substantial new noncompatible use, or would significantly reduce noise over existing noncompatible uses, that is not reflected in either the existing conditions map or forecast map currently on file with the Federal Aviation Administration. the forecast period of the applicable noise exposure map submitted by an airport operator under subsection (a); or the implementation period of the airport operator’s noise compatibility program. The Administrator of the Federal Aviation Administration shall conduct a study to determine the feasibility of developing a program under which prospective home buyers of property located in the vicinity of an airport could be notified of information derived from noise exposure maps that may affect the use and enjoyment of the property. The study shall assess the scope, administration, usefulness, and burdensomeness of any such program, the costs and benefits of such a program, and whether participation in such a program should be voluntary or mandatory. The Administrator shall make noise exposure and land use information from noise exposure maps available to the public via the Internet on its website in an appropriate format. In this section, the term ‘noise exposure map’ means a noise exposure map prepared under section 47503 of title 49 , United States Code.”