- air navigation facility
- Any facility used in, available for use in, or designed for use in, aid of air navigation, including landing areas, lights, any apparatus or equipment for disseminating weather information, for signalling, for radio-directional finding, or for radio or other electrical communication, and any other structure or mechanism having a similar purpose for guiding or controlling flight in the air or the landing or takeoff of aircraft. 49 USC § 401(7); Hillsborough County Aviation Authority v National Airlines, Inc. (Fla) 63 So 2d 61, 40 ALR2d 1056.
Ballentine's law dictionary. Anderson, W.S.. 1998.