; (2) in subsection (c)(1) by striking subparagraph (G) and inserting the following: (G) Manufacturers of wheelchairs, including powered wheelchairs, and other mobility aids. ; and (3) in subsection (g) by striking May 10, 2024 and inserting September 30, 2028 . (b) Conforming amendment Section 1(b) of the FAA Reauthorization Act of 2018 ( Public Law 115–254 ) is amended by striking the item relating to section 439 and inserting the following: Sec. 439. Air Carrier Access Act advisory committee. . 542. Improved training standards for assisting passengers who use wheelchairs (a) Rulemaking Not later than 6 months after the date of enactment of this Act, the Secretary shall issue a notice of proposed rulemaking to develop requirements for minimum training standards for airline personnel or contractors who assist wheelchair users who board or deplane using an aisle chair or other boarding device. (b) Requirements The training standards developed under subsection (a) shall require, at a minimum, that airline personnel or contractors who assist passengers who use wheelchairs who board or deplane using an aisle chair or other boarding device— (1) before being allowed to assist a passenger using an aisle chair or other boarding device to board or deplane, be able to successfully demonstrate skills (during hands-on training sessions) on— (A) how to safely use the aisle chair, or other boarding device, including the use of all straps, brakes, and other safety features; (B) how to assist in the transfer of passengers to and from their wheelchair, the aisle chair, and the aircraft’s passenger seat, either by physically lifting the passenger or deploying a mechanical device for the lift or transfer; and (C) how to effectively communicate with, and take instruction from, the passenger; (2) are trained regarding the availability of accessible lavatories and on-board wheelchairs and the right of a qualified individual with a disability to request an on-board wheelchair