In this chapter:
(1) “Air navigation facility” means:
(A) a facility, other than one owned and operated by the United States, used in or available or designed for use in aid of air navigation, including a structure, mechanism, light, beacon, marker, communications system, or other instrumentality;
(B) a device used or useful as an aid in the safe landing, navigation, or takeoff of aircraft or the safe and efficient operation or maintenance of an airport; or
(C) a combination of those facilities or devices.
(2) “Airport” means:
(A) an area used or intended for use for the landing and takeoff of aircraft;
(B) an appurtenant area used or intended for use for an airport building or other airport facility or right-of-way; and
(C) an airport building or facility located on an appurtenant area.
(3) “Airport hazard” means a structure, object of natural growth, or use of land that:
(A) obstructs the airspace required for the flight of aircraft in landing at or taking off from an airport; or
(B) is hazardous to the landing or takeoff of aircraft at an airport.
(4) “Airport hazard area” means an area on which an airport hazard could exist.
(5) “Area” includes land or water.
(6) “Local government” means a county or municipality in this state.