; or (2) at an airport that is categorized as a basic or unclassified airport in the report of the Federal Aviation Administration entitled General Aviation Airports: A National Asset and dated May 2012. . (b) Use of apportioned amounts Section 47117(e)(1) of title 49, United States Code, is amended by adding at the end the following: (D) All amounts subject to apportionment for a fiscal year that are not apportioned under section 47114(d), for grants to sponsors of general aviation airports, reliever airports, or nonprimary commercial service airports. . 203. Disaster relief airports (a) Designation of disaster relief airports (1) In general Subchapter I of Chapter 471 is amended by inserting after section 47131 the following: 47132. Disaster relief airports (a) Designation (1) In general The Secretary of Transportation shall designate as a disaster relief airport an airport that— (A) is categorized as a regional reliever airport in the report issued by the Federal Aviation Administration entitled National Plan of Integrated Airport Systems (NPIAS) 2017–2021 ; (B) is within a reasonable distance, as determined by the Secretary, of a hospital or transplant or trauma center; (C) is in a region that the Secretary determines under subsection (b) is prone to natural disasters; (D) has at least one paved runway with not less than 3,400 feet of useable length capable of supporting aircraft up to 12,500 pounds; (E) has aircraft maintenance or servicing facilities at the airport able to provide aircraft fueling and light maintenance services