Noise exposure maps

§ 47503. Noise exposure maps (a) Submission and Preparation.—An airport operator may submit to the Secretary of Transportation a noise exposure map showing the noncompatible uses in each area of the map on the date the map is submitted, a description of estimated aircraft operations during 1985, and how those operations will affect the map. The map shall— (1) be prepared in consultation with public agencies and planning authorities in the area surrounding the airport; and (2) comply with regulations prescribed under section 47502 of this title. (b) Revised Maps.—If a change in the operation of an airport will establish a substantial new noncompatible use in an area surrounding the airport, the airport operator shall submit a revised noise exposure map to the Secretary showing the new noncompatible use. 108 STAT. 1285