; (2) review certification regulations and other requirements of the Federal Aviation Administration to identify ways to facilitate the use of hydrogen; (3) consider the needs of the aerospace industry, aviation suppliers, hydrogen producers, airlines, airport sponsors, fixed base operators, and other stakeholders when creating regulations and standards that enable the safe commercial deployment of hydrogen in aviation; and (4) obtain the input of the aerospace industry, aviation suppliers, hydrogen producers, airlines, airport sponsors, fixed base operators, and other stakeholders regarding— (A) the appropriate regulatory framework and timeline for permitting the safe and efficient use of hydrogen within United States airspace, including updating or modifying existing regulations on such use; (B) how to accelerate the resolution of issues related to standards and regulations for the type certification and safe operation of aircraft powered with hydrogen; and (C) other issues identified by the Administrator or the advisory committee established under section 2(b)(6) that must be addressed to enable the safe and expeditious commercial deployment and safe and efficient operation of aircraft powered with hydrogen.