; (B) the Committee on Appropriations of the Senate; (C) the Committee on Transportation and Infrastructure of the House of Representatives; and (D) the Committee on Appropriations of the House of Representatives. (2) High altitude balloon The term high altitude balloon means a manned or unmanned free balloon operating not less than 18,000 feet above mean sea level. 314. International engagement (a) Plan (1) In general The Administrator shall develop and implement a plan to enhance United States’ leadership in aviation safety and policy. (2) Contents of plan The plan required under paragraph (1) shall include, at minimum, the following: (A) Measures to advance international cooperation related to— (i) approval of new safety-enhancing technologies and aeronautical products; (ii) development of regulatory policy and plans related to advanced air mobility concepts; (iii) innovation in the general aviation sector; (iv) further integration of uncrewed aircraft systems and advanced air mobility aircraft and operators