; and (4) obtain the input of the aerospace industry, aviation suppliers, hydrogen producers, airlines, airport sponsors, fixed base operators, academia, research institutions, and other stakeholders regarding— (A) an appropriate regulatory framework and timeline for permitting the safe and efficient use of hydrogen in civil aviation, including the deployment and operation of hydrogen-powered commercial aircraft in the United States, which may include updating or modifying existing regulations; (B) how to accelerate the resolution of issues related to data, standards development, and related regulations necessary to facilitate the safe and efficient certification of the use of hydrogen in civil aviation, including hydrogen-powered commercial aircraft; and (C) other issues identified and determined appropriate by the Administrator or the advisory committee established under section 1019(d)(7) to be addressed to enable the safe and efficient use of hydrogen in civil aviation, including the deployment and operation of hydrogen-powered commercial aircraft. 1110. Advancing global leadership on civil supersonic aircraft Section 181 of the FAA Reauthorization Act of 2018 ( 49 U.S.C. 40101 note) is amended— (1) in subsection (a) by striking regulations, and standards and inserting regulations, standards, and recommended practices ; and (2) by adding at the end the following new subsection: (g) Additional reports (1) Initial progress report Not later than 1 year after the date of enactment of this subsection, the Administrator shall submit to the appropriate committees of Congress a report describing— (A) the progress of the actions described in subsection (d)(1); (B) any planned, proposed, or anticipated action to update or modify existing policies and regulations related to civil supersonic aircraft, including such actions identified as a result of stakeholder consultation and feedback (such as landing and takeoff noise)