; and (2) support the development and economic viability of such airports. (b) Grants (1) In general For the purpose of carrying out the pilot program established in subsection (a), the Secretary shall make grants to not more than 2 sponsors of general aviation airports per fiscal year. (2) Use of funds A sponsor of a general aviation airport shall use a grant awarded under this section to plan, design, or construct a project to extend an existing primary runway by not greater than 1,000 feet in order to accommodate large turboprop or turbojet aircraft that cannot be accommodated with the existing runway length. (3) Eligibility To be eligible to receive a grant under this section, a sponsor of a general aviation airport shall submit an application to the Secretary at such time, in such form, and containing such information as the Secretary may require. (4) Selection In selecting an applicant for a grant under this section, the Secretary shall prioritize projects that demonstrate that the existing runway length at the airport is— (A) inadequate to support the near-term operations of 1 or more business entities operating at the airport as of the date of submission of such application; (B) a direct aircraft operational impediment to airport economic viability, job creation or retention, or local economic development; and (C) not located within 20 miles of another National Plan of Integrated Airport Systems airport with comparable runway length. (c) Project justification A project that demonstrates the criteria described in subsection (b) shall be considered a justified cost with respect to the pilot program, notwithstanding— (1) any benefit-cost analysis required under section 47115(d)