; (2) in subsection (d)— (A) by striking paragraph (2); and (B) by redesignating paragraph (3) as paragraph (2); and (3) by striking subsections (e) and (f) and inserting the following: (e) General aviation transient aprons In distributing amounts from the fund described in subsection (a) to sponsors described in subsection (b)(2) and (b)(3), 5 percent of each amount shall be used for projects to construct or rehabilitate aprons intended to be used for itinerant general aviation aircraft parking. . 717. Revision of discretionary categories Section 47117 of title 49, United States Code, is amended— (1) in subsection (b)(2)— (A) in subparagraph (A)(i) by striking or (3)(A), whichever is applicable ; and (B) in subparagraph (B)— (i) by striking section 47114(d)(3)(A) and inserting section 47114(d)(2)(A) ; and (ii) by striking section 47114(d)(3)(B) and inserting section 47114(d)(2)(B) ; (2) in subsection (c)(2) by striking 47114(d)(3)(A) and inserting 47114(d)(2)(A) ; (3) in subsection (d)— (A) in paragraph (1) by striking section 47114(d)(2)(A) of this title and inserting section 47114(d)(2)(B)(i) ; and (B) in paragraph (2)— (i) by striking section 47114(d)(2)(B) or (C) and inserting section 47114(d)(2)(B)(ii) or (iii) in each place it appears; and (ii) by striking of this title ; and (4) in subsection (e)— (A) in paragraph (1)— (i) in subparagraph (A)— (I) by striking $300,000,000 and inserting $200,000,000 ; (II) by striking for compatible land use planning and projects carried out by State and local governments under section 47141, ; (III) by striking section 47102(3)(Q) and inserting subparagraphs (O), (P), (Q), and (W) of section 47102(3) ; (IV) by striking to comply with the Clean Air Act ( 42 U.S.C. 7401 et seq. ) ; and (V) by inserting The Secretary shall provide not less than two-thirds of amounts under this subparagraph and paragraph (3) for grants to sponsors of small hub, medium hub, and large hub airports. after being met in that fiscal year. ; and (ii) by striking subparagraph (C)