; (C) work with global partners to promote acceptance of advanced air mobility products; and (D) leverage the existing aviation system to the greatest extent possible to support advanced air mobility operations; and (3) the FAA should work with manufacturers, prospective operators of powered-lift aircraft, and other relevant stakeholders to enable the safe entry of such aircraft into the national airspace system. 953. Application of National Environmental Policy Act categorical exclusions for vertiport projects In considering the environmental impacts of a proposed vertiport project on an airport for purposes of compliance with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ), the Administrator shall— (1) apply any applicable categorical exclusions in accordance with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) and subchapter A of chapter V of title 40, Code of Federal Regulations; and (2) after consultation with the Council on Environmental Quality, take steps to establish additional categorical exclusions, as appropriate, for vertiports on an airport, in accordance with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) and subchapter A of chapter V of title 40, Code of Federal Regulations. 954. Advanced Air Mobility Working Group amendments Section 2 of the Advanced Air Mobility Coordination and Leadership Act ( 49 U.S.C. 40101 note) is amended— (1) in subsection (b) by striking , particularly passenger-carrying aircraft, ; (2) in subsection (d)(1) by striking subparagraph (D) and inserting the following: (D) operators of airports, heliports, and vertiports, and fixed-base operators; ; (3) in subsection (e)— (A) in the matter preceding paragraph (1) by striking 1 year and inserting 18 months ; (B) in paragraph (3) by inserting or that may impede such maturation after AAM industry ; (C) in paragraph (7) by striking and at the end; (D) in paragraph (8) by striking the period at the end and inserting ; and