Okla. Admin. Code § 25:1-1-3
The following words and terms, when used in this chapter, shall have the following meaning unless the context clearly indicates otherwise:
"Aeronautical hazard" means any structure, object of natural growth, or use of land, which obstructs the airspace required for the flight of aircraft in landing or taking off at an airport or that is otherwise hazardous to the operation and navigation of aircraft.
"Aeronautics" means the science, art and practice of flight, including, but not limited to, transportation by aircraft and matters relating to air commerce; the operation, construction, repair, or maintenance of aircraft, aircraft power plants and accessories, including the repair, packing, and maintenance of parachutes; the design, establishment, construction, extension, operation, improvement, repair, or maintenance of airports, restricted landing areas, or other air navigation facilities; and instruction in flying or ground subjects pertaining thereto.
"Aerospace" means the industry that is associated with the design, manufacture, operation, testing, maintenance, and repair of aircraft, spacecraft, and other aerial vehicles that operate in and out of the earth's atmosphere as well as their associated components.
"Air navigation facility" means any facility used in, available for use in, or designed for use in, aid of air navigation, including landing areas, any structures, mechanisms, lights, beacons, markers, communicating systems, or other instrumentalities or devices used or useful as an aid, or constituting an advantage or convenience, to the safe taking off, navigation, and landing of aircraft, or the safe and efficient operation or maintenance of an airport, and any combination of any or all of such facilities.
"Aircraft" means any contrivance now known, or hereafter invented, used, or designed for navigation of or flight in the air or airspace.
"Airman" means any individual who engages, as the person in command, or as pilot, mechanic, or member of the crew, in the navigation of aircraft while under way, and any individual who is directly in charge
"Airport" means any area of land or water which is used, or intended for use, for the landing and take-off of aircraft, and any appurtenant areas which are used, or intended for use, for airport buildings, clear zones, or other airport facilities or right-of-ways, together with all airport buildings and facilities located thereon.
"Airspace" means the portion of the atmosphere overlying a designated geographical area considered as subject to territorial jurisdiction or international law in respect to its use by aircraft, guided missiles, and rockets.
"Commission" means the seven members of the Oklahoma Aerospace and Aeronautics Commission as appointed by the governor.
"Department" means the Oklahoma Department of Aerospace and Aeronautics.
"Director" means the Director of the Oklahoma Department of Aerospace and Aeronautics.
"Designated Emergency Management Use Landing Site" means any area of land which has been designated for the landing and take-off of aircraft for emergency management use, including, but not limited to law enforcement, search and rescue, and medical.
"Municipality" means any incorporated city, village, or town of this state and any county or political subdivision or district in this state which is, or may be authorized by law to acquire, establish, construct, maintain, improve, and operate airports, airstrips, and aeronautical navigation facilities.
"Operation of aircraft" or "operate aircraft" means the use, navigation, or piloting of aircraft in the airspace over this state or upon any airport within this state of the inspection, maintenance, overhauling, or repair, of aircraft, aircraft engines, propellers, and appliances.
"Person" means any individual, firm, partnership, corporation, company, association, joint stock association or body politic; and includes any trustee, receiver, assignee, or other similar representative thereof.
"Resources" means services, facilities, funds, equipment, property, personnel, and such other activities as are customarily included within the term.
"State" means the State of Oklahoma.
Okla. Admin. Code § 25:1-1-3