interstate air commerce
(24) “interstate air commerce” means the transportation of passengers or property by aircraft for compensation, the transportation of mail by aircraft, or the operation of aircraft in furthering a business or vocation— (A) between a place in— (i) a State, territory, or possession of the United States and a place in the District of Columbia or another State, territory, or possession of the United States; (ii) a State and another place in the same State through the airspace over a place outside the State; (iii) the District of Columbia and another place in the District of Columbia; or (iv) a territory or possession of the United States and another place in the same territory or possession; and (B) when any part of the transportation or operation is by aircraft.