Okla. Stat. tit. 3, § 3-252: Aircraft, defined

Notwithstanding any other definition thereof in any other

statute, the term "aircraft" as used herein shall, for license and

registration purposes, include any contrivance now known, or

hereafter invented, used or designed for navigation of or flight in

the air or airspace, manufactured by mass production or individually

constructed or assembled, which are subject to registration with the

Federal Aviation Administration.