; or (2) the sufficiency of mitigation efforts related to a material reduction in access to a public-use airport or adjacent airspace. (g) Judicial review (1) In general Any determination made by the Secretary under subsection (e)(2) shall be subject to judicial review pursuant to subsections (a), (b), (d), and (e) of section 46110. (2) Standard of review (A) Disapprovals In the case of a petition filed under section 46110(a) to review a determination of the Secretary that disapproves a proposal, the court shall, without deference to the Secretary’s determination, review de novo the record to determine if the Secretary’s determination is in the public interest. (B) Approvals In the case of a petition filed under section 46110(a) to review a determination of the Secretary that approves a proposal, the court may overturn the approval only upon a finding of clear error or an abuse of discretion. 90706. Definitions In this chapter, the following definitions apply: (1) Material reduction The term material reduction means, with respect to access to a public-use airport, including a general aviation or rural airport, a materially diminished ability to safely operate or navigate to or from the airport or adjacent airspace during a time of day, weather condition, or season of the year. (2) Rural airport The term rural airport means a public-use airport located in a rural area (as that term is defined in section 520 of the Housing Act of 1949 ( 42 U.S.C. 1490 )). 909 Continuity of Air Traffic Services to Department of Defense and Other Public Agencies Sec. 90901. Continuity of air traffic services provided by Department of Defense. 90902. Military and other public aircraft exempt from user fees. 90903. Air traffic services for Federal agencies. 90904. Emergency powers of Armed Forces. 90905. Adherence to international agreements related to operations of Armed Forces. 90906. Primacy of Armed Forces in times of war. 90907. Cooperation with Department of Defense and other Federal agencies after date of transfer. 90901.