Okla. Stat. tit. 3, § 3-101

As used in this act, unless the context otherwise requires:

1. “Airport” means an area of land or water that is used or

intended to be used for the landing and taking off of aircraft

including its buildings and facilities, if any;

2. “Airport 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 is

otherwise hazardous to such landing or taking off of aircraft;

3. “Airport hazard area” means any area of land or water upon

which an airport hazard might be established if not prevented as

provided in this act;

4. “Heliport” means an area of land, water, or a structure used

or intended to be used for the landing and takeoff of helicopters;

5. “Political subdivision” means any municipality, city, town,

village, or county;

6. “Person” means any individual, firm, copartnership,

corporation, company, association, joint stock association, or body

politic, and includes any trustee, receiver, assignee, or other

similar representative thereof;

7. “Structure” means any object constructed or installed by

man, including, but without limitation, buildings, towers,

smokestacks, and overhead transmission lines;

8. “Tree” means any object of natural growth; and

9. “VTOL aircraft” means an aircraft which has vertical takeoff

and landing capability.