Okla. Stat. tit. 74, § 74-150.16: Rental or charter of aircraft

The Oklahoma State Bureau of Investigation is hereby authorized

to own and operate aircraft and to rent or charter aircraft on a

project or mission basis, such rental or charter to last only for

the duration of the project or mission. The Bureau is also

authorized to pay, from any funds available to the Bureau, expenses

involved in qualifying multiengine and instrument pilots as may be

required to accomplish agency responsibilities.