; or (2) a project justification determination described in section 3 of chapter 3 of FAA Order 5100.38D, Airport Improvement Program Handbook (dated September 30, 2014) (or any successor document). (d) Federal share The Government's share of allowable project costs for a project carried out with a grant under this section shall be the Government's share of allowable project costs specified under section 47109. (e) Report to Congress Not later than 5 years after the establishment of the pilot program under subsection (a), the Secretary shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report that evaluates the pilot program, including— (1) information regarding the level of applicant interest in grants for increasing runway length; (2) the number of large aircraft that accessed each general aviation airport that received a grant under the pilot program in comparison to the number of such aircraft that accessed the airport prior to the date of enactment of the FAA Reauthorization Act of 2024 , based on data provided to the Secretary by the airport sponsor not later than 6 months before the submission date described in this subsection