air navigation facility
(4) “air navigation facility” means a facility used, available for use, or designed for use, in aid of air navigation, including— (A) a landing area; (B) runway lighting and airport surface visual and other navigation aids; (C) apparatus, equipment, software, or service for distributing aeronautical and meteorological information to air traffic control facilities or aircraft; (D) communication, navigation, or surveillance equipment for air-to-ground or air-to-air applications; (E) any structure, equipment, or mechanism for guiding or controlling flight in the air or the landing and takeoff of aircraft; and (F) buildings, equipment, and systems dedicated to the national airspace system.
49 USC § 40102(a)(4)
None identified. Default scope is assumed to be the entire title.