(1) The Secretary may incur obligations to make grants from amounts available under section
48103 of this title to carry out a project under a part of a noise compatibility program approved under subsection (b) of this section. A grant may be made to
(A) an airport operator submitting the program; and
(B) a unit of local government in the area surrounding the airport, if the Secretary decides the unit is able to carry out the project.
(2) Soundproofing and acquisition of certain residential buildings and properties.— The Secretary may incur obligations to make grants from amounts made available under section
48103 of this title
(A) for projects to soundproof residential buildings
(i) if the airport operator received approval for a grant for a project to soundproof residential buildings pursuant to section 301(d)(4)(B) of the Airport and Airway Safety and Capacity Expansion Act of 1987;
(ii) if the airport operator submits updated noise exposure contours, as required by the Secretary; and
(iii) if the Secretary determines that the proposed projects are compatible with the purposes of this chapter;
(B) to an airport operator and unit of local government referred to in paragraph (1)(A) or (1)(B) of this subsection to soundproof residential buildings located on residential properties, and to acquire residential properties, at which noise levels are not compatible with normal operations of an airport
(i) if the airport operator amended an existing local aircraft noise regulation during calendar year 1993 to increase the maximum permitted noise levels for scheduled air carrier aircraft as a direct result of implementation of revised aircraft noise departure procedures mandated for aircraft safety purposes by the Administrator of the Federal Aviation Administration for standardized application at airports served by scheduled air carriers;
(ii) if the airport operator submits updated noise exposure contours, as required by the Secretary; and
(iii) if the Secretary determines that the proposed projects are compatible with the purposes of this chapter;
(C) to an airport operator and unit of local government referred to in paragraph (1)(A) or (1)(B) of this subsection to carry out any part of a program developed before February 18, 1980, or before implementing regulations were prescribed, if the Secretary decides the program is substantially consistent with reducing existing noncompatible uses and preventing the introduction of additional noncompatible uses and the purposes of this chapter will be furthered by promptly carrying out the program;
(D) to an airport operator and unit of local government referred to in paragraph (1)(A) or (1)(B) of this subsection to soundproof a building in the noise impact area surrounding the airport that is used primarily for educational or medical purposes and that the Secretary decides is adversely affected by airport noise; and
(E) to an airport operator of a congested airport (as defined in section
47175) and a unit of local government referred to in paragraph (1)(B) of this subsection to carry out a project to mitigate noise in the area surrounding the airport if the project is included as a commitment in a record of decision of the Federal Aviation Administration for an airport capacity enhancement project (as defined in section
47175) even if that airport has not met the requirements of part 150 of title
14, Code of Federal Regulations.
(4) The Governments share of a project for which a grant is made under this subsection is the greater of
(A) 80 percent of the cost of the project; or
(B) the Governments share that would apply if the amounts available for the project were made available under subchapter I of chapter
471 of this title for a project at the airport.
(5) The provisions of subchapter I of chapter
471 of this title related to grants apply to a grant made under this chapter, except
(A) section
47109 (a) and (b) of this title; and
(B) any provision that the Secretary decides is inconsistent with, or unnecessary to carry out, this chapter.
