Sec. 1152. Study on aeronautical standards
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The Administrator of the National Aeronautics and Space Administration, in consultation with the Secretary of Defense, the Administrator of the Federal Aviation Administration, and the Administrator of the National Oceanic and Atmospheric Administration, shall conduct a study on the modernization of aeronautical standards. The study conducted under subsection
(a)shall be known as the Modernization of Aeronautical Standards and Aircraft Performance Study . The study conducted under subsection
(a)shall include the following: An assessment of differences between current atmospheric conditions and baseline atmospheric conditions, including both mean and extreme values. An analysis of the impacts to operation, maintenance, and sustainment costs of covered commercial aircraft due to the differences identified under paragraph (1). An estimation of the number of weight restriction hours for covered commercial aircraft at covered commercial airports under baseline, current, and projected atmospheric conditions. An assessment of required infrastructure investment at covered commercial airports such that the number of weight restriction hours under projected atmospheric conditions is equivalent to the number of weight restriction hours with current infrastructure and route structure under baseline and current atmospheric conditions. Recommendations for atmospheric and climatic design requirements for future commercial aircraft to account for projected atmospheric conditions. An analysis of impacts to operation, maintenance, and sustainment costs and aircraft performance of military aircraft due to the differences identified under paragraph (1). Atmospheric and climatic design requirements for military aircraft, or other equipment, which should be updated to account for current and projected atmospheric conditions. Recommended updates or supplements to atmospheric standards due to current atmospheric conditions. Criteria under which future updates or supplements to atmospheric standards should be made. The Administrator of the National Aeronautics and Space Administration shall transmit the results of the study to the Committee on Science, Space, and Technology and the Committee on Transportation and Infrastructure of the House of Representatives, the Committee on Commerce, Science, and Transportation of the Senate, and the congressional defense committees not later than 18 months after the date of the enactment of this Act. In this section: The term aircraft performance includes the following: Range. Payload capacity. Runway length requirement. Climb rate. Turn rate. Operating altitude. Acceleration. The term atmospheric standards means the following: The United States Standard Atmosphere of 1976. MIL–HDBK–310, Climatic Information to Determine Design and Test Requirements for Military Systems and Equipment. Any other standard as determined by the Administrator of the National Aeronautics and Space Administration. The term baseline atmospheric conditions means the atmospheric conditions referred to in the most recent release of an atmospheric standard. The term covered commercial airports means the following: The 30 commercial service airports (as such term is defined in section 47102(7) of title 49, United States Code) with the most passenger boardings in the most recent calendar year ending before the date of the enactment of this Act. The five public airports (as such term is defined in section 47102(21) of title 49, United States Code) not described in clause
(i)with the highest all-cargo landed weight in the most recent calendar year ending before the date of the enactment of this Act. The term covered commercial aircraft means the ten aircraft types still in production with the highest number of operations at covered commercial airports in the most recent calendar year ending before the date of the enactment of this Act. The term commercial aircraft means an air carrier operating under part 121 of title 14, Code of Federal Regulations. The term congressional defense committees has the meaning given that term in section 101(a)(16) of title 10, United States Code. The term current atmospheric conditions means the atmospheric conditions observed in the five most recent calendar years ending before the date of the enactment of this Act. The term projected atmospheric conditions means the mean atmospheric conditions projected by the International Panel on Climate Change under the Sixth Assessment Report in scenarios— SSP1–1.9; SSP1–2.6; SSP2–4.5; SSP3–7.0; and SSP5–8.5. The term military aircraft means an aircraft that— is currently being developed, procured, or operated by the Department of Defense; and is a bomber, fighter, attack helicopter, transport helicopter, strategic transport, tactical transport, or surveillance aircraft. The term passenger boardings has the meaning given such term in section 47102(15) of title 49, United States Code. The term weight restriction hour means an hour when the maximum temperature for that hour matches or exceeds the weight-restriction temperature threshold for a specific aircraft.