; and (B) the potential for the project to mitigate the airport’s impact on the environment. (5) Application To be eligible to receive a grant under the pilot program under this section, an eligible airport sponsor shall submit an application to the Secretary at such time, in such form, and containing such information as the Secretary may require. Such information shall include a preliminary description of how the proposed project is projected to benefit and potentially impact both the airport and the surrounding communities with regard to changing conditions, weather events, and natural disasters. (6) Reports to Secretary An eligible airport sponsor that is awarded a grant under the pilot program under this section shall submit to the Secretary periodic reports on the use of the funds. Such reports shall be submitted at such time, in such form, and containing such information as the Secretary may require. (b) Distribution to smaller airports In conducting the pilot program under this section, the Secretary shall ensure that not less than 25 percent of the funds made available under subsection (f) are used to award grants to eligible airport sponsors of small hub airports, nonhub airports, airports that are not a primary airport, and reliever airports, as such terms are defined in section 47102 of title 49, United States Code. (c) Federal share The United States Government's share of allowable project costs for a project carried out with a grant under the pilot program shall be the United States Government's share of allowable project costs specified under section 47109 of title 49, United States Code. (d) Requirements Projects carried out, in whole or in part, with grants under the pilot program under this section shall be subject to the requirements under section 47112 of title 49, United States Code. (e) Report to Congress (1) In general Not later than 6 months after the Secretary first awards a grant under the pilot program under this section, and annually thereafter for as long as the Secretary is conducting