"Airport" means the real and personal property constituting an airport as a complete entity or unit, and the management, operation, or control of an airport means the overall management, operation, or control of the airport as a complete entity or unit [...]

(1) "Airport" means any airport located in this state which has regularly scheduled commercial air carrier service or commuter airline service as required for certification under Section 139.49 of the Federal Aviation Administration regulations.

"Airport" means any area of land, water, or mechanical structure which is used for the landing and takeoff of aircraft and is open to the general public for such use without prior permission or restrictions and includes any appurtenant structures and areas [...]