((a)) ** .—** In this section, “amount subject to apportionment” means the amount newly made available under for a fiscal year.

((b)) ** .—** On the first day of each fiscal year, the Secretary of Transportation shall apportion the amount subject to apportionment for that fiscal year as provided in this section.

((c))

((1))

((A)) ** .—** The Secretary shall apportion to the sponsor of each primary airport for each fiscal year an amount equal to—

((i)) $15.60 for each of the first 50,000 passenger boardings at the airport during the prior calendar year;

((ii)) $10.40 for each of the next 50,000 passenger boardings at the airport during the prior calendar year;

((iii)) $5.20 for each of the next 400,000 passenger boardings at the airport during the prior calendar year;

((iv)) $1.30 for each of the next 500,000 passenger boardings at the airport during the prior calendar year; and

((v)) $1.00 for each additional passenger boarding at the airport during the prior calendar year.

((B)) ** .—** Not less than $1,300,000 nor more than $22,000,000 may be apportioned under subparagraph (A) to an airport sponsor for a primary airport for each fiscal year.

((C)) ** .—** Notwithstanding subparagraph (A), the Secretary shall apportion in the first fiscal year following the official opening of a new airport with scheduled passenger air transportation an amount equal to $1,300,000 to the sponsor of such airport.

((D))

((i)) ** .—** The Secretary shall apportion to each commercial service airport that is not a primary airport an amount equal to—

((I)) $60 for each of the first 2,500 passenger boardings at the airport during the prior calendar year; and

((II)) $153.33 for each of the next 7,499 passenger boardings at the airport during the prior calendar year.

((ii)) ** .—** Paragraphs (4) and (5) of subsection (d) shall apply to funds apportioned under this subparagraph.

((E)) ** .—** Notwithstanding any other provision of law, a public airport shall be considered a primary airport in each of fiscal years 2025 through 2028 for purposes of this chapter if such airport was—

((i)) designated as a primary airport in fiscal year 2017; and

((ii)) in use by an air reserve station in the calendar year used to calculate apportionments to airport sponsors in a fiscal year.

((F)) ** .—** Notwithstanding any other provision of this paragraph or the absence of scheduled passenger service at an airport, the Secretary shall apportion in fiscal year 2024 to the sponsor of an airport an amount based on the number of passenger boardings at the airport during whichever of the following years that would result in the highest apportioned amount under this paragraph:

((i)) Calendar year 2018.

((ii)) Calendar year 2019.

((iii)) The prior full calendar year prior to fiscal year 2024.

((2))

((A)) ** .—** Subject to subparagraph (D), the Secretary shall apportion an amount equal to 4 percent of the amount subject to apportionment each fiscal year to the sponsors of airports served by aircraft providing air transportation of only cargo with a total annual landed weight of more than 25,000,000 pounds.

((B)) ** .—** Any funds apportioned under subparagraph (A) to sponsors of airports described in subparagraph (A) shall be allocated among those airports in the proportion that the total annual landed weight of aircraft described in subparagraph (A) landing at each of those airports bears to the total annual landed weight of those aircraft landing at all those airports.

((C)) ** .—** Before apportioning amounts to the sponsors of airports under subparagraph (A) for a fiscal year, the Secretary may set-aside a portion of such amounts for distribution to the sponsors of other airports, selected by the Secretary, that the Secretary finds will be served primarily by aircraft providing air transportation of only cargo.

((D)) ** .—** Landed weight under this paragraph is the landed weight of aircraft landing at each airport described in subparagraph (A) during the prior calendar year.

((d))

((1)) ** .—** In this subsection, the following definitions apply:

((A)) ** .—** The term “area” includes land and water.

((B)) ** .—** The term “population” means the population stated in the latest decennial census of the United States.

((2)) ** .—** In any fiscal year in which the total amount made available under section 48103 is $3,200,000,000 or more, rather than making an apportionment under paragraph (2), the Secretary shall apportion 25 percent of the amount subject to apportionment for each fiscal year as follows:

((A)) To each airport, excluding commercial service airports but including reliever airports, in States the lesser of—

((i)) $150,000; or

((ii)) ⅕ of the most recently published estimate of the 5-year costs for airport improvement for the airport, as listed in the national plan of integrated airport systems developed by the Federal Aviation Administration under section 47103.

((B)) Any remaining amount to States as follows:

((i)) 0.62 percent of the remaining amount to Guam, American Samoa, the Commonwealth of the Northern Mariana Islands, and the Virgin Islands.

((ii)) Except as provided in paragraph (4), 49.69 percent of the remaining amount for airports, excluding commercial service airports but including reliever airports, in States not named in clause (i) in the proportion that the population of each of those States bears to the total population of all of those States.

((iii)) Except as provided in paragraph (4), 49.69 percent of the remaining amount for airports, excluding commercial service airports but including reliever airports, in States not named in clause (i) in the proportion that the area of each of those States bears to the total area of all of those States.

((C)) An airport that has previously been listed as unclassified under the national plan of integrated airport systems that has reestablished the classified status of such airport as of the date of apportionment shall be eligible to accrue apportionment funds pursuant to subparagraph (A) so long as such airport retains such classified status.

((3))

((A)) ** .—** An amount apportioned under this subsection to Alaska, Puerto Rico, or Hawaii for airports in such State may be made available by the Secretary for any public airport in those respective jurisdictions.

((B)) ** .—** An amount apportioned under paragraph (2)(B)(i) may be made available by the Secretary for any public-use airport in Guam, American Samoa, the Northern Mariana Islands, or the Virgin Islands if the Secretary determines that there are insufficient qualified grant applications for projects at airports that are otherwise eligible for funding under that paragraph. The Secretary shall prioritize the use of such amounts in the territory the amount was originally apportioned in.

((4)) ** .—** The Secretary shall use the highway specifications of a State for airfield pavement construction and improvement using funds made available under this subsection or subsection (c)(1)(D) at nonprimary airports serving aircraft that do not exceed 60,000 pounds gross weight if—

((A)) such State requests the use of such specifications; and

((B)) the Secretary determines that—

((i)) safety will not be negatively affected; and

((ii)) the life of the pavement, with necessary maintenance and upkeep, will not be shorter than it would be if constructed using Administration standards.

((5)) ** .—** Notwithstanding any other provision of this section, funds made available under this subsection or subsection (c)(1)(D) may be used for integrated airport system planning that encompasses one or more primary airports.

((6)) ** .—** Notwithstanding any other provision of this subsection, the Secretary may apportion to an airport sponsor in a fiscal year an amount equal to the minimum apportionment available under subsection (c)(1)(B) if the Secretary finds that the airport—

((A)) received scheduled or unscheduled air service from a large certificated air carrier (as defined in part 241 of title 14, Code of Federal Regulations, or such other regulations as may be issued by the Secretary under the authority of section 41709) in the calendar year used to calculate the apportionment; and

((B)) had more than 10,000 passenger boardings in the calendar year used to calculate the apportionment.

((e))

((1)) ** .—** Notwithstanding subsections (c) and (d) of this section, the Secretary may apportion amounts for airports in Alaska in the way in which amounts were apportioned in the fiscal year ending , under section 15(a) of the Act. However, in apportioning amounts for a fiscal year under this subsection, the Secretary shall apportion—

((A)) for each primary airport at least as much as would be apportioned for the airport under subsection (c)(1) of this section; and

((B)) a total amount at least equal to the minimum amount required to be apportioned to airports in Alaska in the fiscal year ending , under section 15(a)(3)(A) of the Act.

((2)) ** .—** This subsection does not prohibit the Secretary from making project grants for airports in Alaska from the discretionary fund under .

((3)) ** .—** An amount apportioned under this subsection may be used for any public airport in Alaska.

((4)) ** .—** In any fiscal year in which the total amount made available under section 48103 is $3,200,000,000 or more, the amount that may be apportioned for airports in Alaska under paragraph (1) shall be increased by doubling the amount that would otherwise be apportioned.

((f))

((1)) ** .—** Subject to paragraph (3), an amount that would be apportioned under this section (except subsection (c)(2)) in a fiscal year to the sponsor of a medium or large hub airport for which a charge is imposed in the fiscal year under shall be reduced by an amount equal to—

((A)) in the case of a charge of $3.00 or less—

((i)) except as provided in clause (ii), 40 percent of the projected revenues from the charge in the fiscal year but not by more than 40 percent of the amount that otherwise would be apportioned under this section; or

((ii)) with respect to an airport in Hawaii, 40 percent of the projected revenues from the charge in the fiscal year but not by more than 40 percent of the excess of—

((I)) the amount that otherwise would be apportioned under this section; over

((II)) the amount equal to the amount specified in subclause (I) multiplied by the percentage of the total passenger boardings at the applicable airport that are comprised of interisland passengers; and

((B)) in the case of a charge of more than $3.00—

((i)) except as provided in clause (ii), 60 percent of the projected revenues from the charge in the fiscal year but not by more than 60 percent of the amount that otherwise would be apportioned under this section; or

((ii)) with respect to an airport in Hawaii, 60 percent of the projected revenues from the charge in the fiscal year but not by more than 60 percent of the excess of—

((I)) the amount that otherwise would be apportioned under this section; over

((II)) the amount equal to the amount specified in subclause (I) multiplied by the percentage of the total passenger boardings at the applicable airport that are comprised of interisland passengers.

((2))

((A)) ** .—** A reduction in an apportionment under paragraph (1) shall not take effect until the first fiscal year following the year in which the collection of the charge imposed under section 40117 has begun.

((B)) ** .—** A reduction in an apportionment under paragraph (1) shall only be applied to an airport if such airport has been designated as a medium or large hub airport for 3 consecutive years.

((g)) ** .—** The Secretary shall apportion amounts for airports in Puerto Rico and all other United States territories in accordance with this section. This subsection does not prohibit the Secretary from making project grants for airports in Puerto Rico or other United States territories from the discretionary fund under section 47115.