; and (C) any other considerations that would be necessary to carry out the objective of this Act. (c) Report Not later than 120 days after a determination on appropriateness of the considerations described in subsection (b) is made, the Chairman of the Nuclear Regulatory Commission, the Administrator of the Federal Aviation Administration, the Administrator of the Federal Emergency Management Agency, and the Secretary of Energy shall submit to the Committee on Energy and Commerce, the Committee on Transportation and Infrastructure, and the Committee on Homeland Security of the House of Representatives and the Committee on Energy and Natural Resources and the Committee on Environment and Public Works of the Senate a report outlining the reasoning, findings, and any recommended procedures found in making such considerations. (d) FAA guidance update Not later than 180 days after the procedures under subsection (b) are finalized, the Administrator of the Federal Aviation Administration shall update guidance from the Administration to consider the use of microreactors in airport emergency plans. (e) Airport emergency plan update Not later than 270 days after the procedures under subsection (b) are finalized, the Administrator of the Federal Aviation Administration shall issue such regulations as are necessary to update section 139.325 of title 14, Code of Federal Regulations, to encourage certified airports to consider utilizing microreactors to provide backup power in the case of a primary power source disruption event as a result of an incident under subsection (b) of such section. (f) Definitions In this Act: (1) Microreactor The term microreactor means an advanced nuclear reactor (as such term is defined in section 3 of the Nuclear Energy Innovation and Modernization Act ( 42 U.S.C. 2215 note)), including a portable nuclear reactor, that has an electricity generating capacity of not more than 20 megawatts of electricity and not more than 100 megawatts of thermal energy. (2) Natural disaster The term natural