; and (4) in paragraph (3), as redesignated by paragraph (2) of this section, by striking paragraph (1) and inserting paragraphs (1) and (2) . 835. Rules for operation of powered-lift aircraft (a) Powered-lift aircraft defined In this section, the term powered-lift aircraft means a heavier-than-air aircraft capable of vertical take-off, vertical landing, and low speed flight that depends principally on engine-driven lift devices or engine thrust for lift during these flight regimes and on 1 or more nonrotating airfoils for lift during horizontal flight. (b) Rulemaking Not later than December 31, 2024, the Administrator shall finalize a Powered-Lift Special Federal Aviation Regulation (SFAR) establishing a procedure for certifying pilots and the operation of powered-lift aircraft capable of transporting passengers and cargo. (c) Requirements With respect to any aircraft type certificated by the Administrator, the procedure established under subsection (b) shall provide a practical pathway for pilot qualification and operations. 836. International coordination on powered-lift aircraft (a) Powered-lift aircraft plan (1) In general Not later than 90 days after the date of enactment of this section, the Administrator shall develop a plan to facilitate the ability of the aerospace industry of the United States to efficiently operate powered-lift aircraft and export powered-lift products and articles in key markets globally. (2) Requirements The plan developed under paragraph (1) shall include the following: (A) An assessment of existing bilateral aviation safety agreements, implementation procedures, and other associated bilateral arrangements so that current and future powered-lift products and articles can utilize the most appropriate validation mechanisms and procedures for powered-lift aircraft, products, and articles. (B) A description of methods to facilitate the efficient global acceptance of the FAA approach to certification of powered-lift aircraft, products, and articles. (C) Any other information determined