Okla. Stat. tit. 3, § 3-281: Installation of nonconforming fuel tank, bladder, drum, or

other container.

A. It is unlawful and deemed a Class D3 felony offense for any

person, firm, corporation, or association to install or equip on any

aircraft, or install in the wings or fuselage of the aircraft, any

fuel tank, bladder, drum, or other container which will hold fuel,

if such fuel tank, bladder, drum, or other container does not

conform to federal aviation regulations or has not been approved by

the Federal Aviation Administration by inspection or special permit.

Any person convicted of violating this subsection shall be guilty of

a Class D3 felony offense and shall be punished by imprisonment as

provided for in subsections B through F of Section 20P of Title 21

of the Oklahoma Statutes.

B. It is unlawful and deemed a Class D3 felony offense for any

person to knowingly possess any aircraft which has been equipped

with, or had installed in its wings or fuselage, any fuel tank,

bladder, drum, or other container which will hold fuel if such fuel

tank, bladder, drum, or other container does not conform to federal

aviation regulations or has not been approved by the Federal

Aviation Administration by inspection or special permit. Any person

convicted of violating this subsection shall be guilty of a Class D3

felony offense and shall be punished by imprisonment as provided for

in subsections B through F of Section 20P of Title 21 of the

Oklahoma Statutes.

C. A copy of the Federal Aviation Administration Approval Form

337, or special permit pertaining to such installations, shall be

carried on board the aircraft at all times. Any person convicted of

violating this subsection shall be guilty of a misdemeanor. No

person charged with violating this subsection shall be convicted of

the charge if he or she produces in court or the office of the

arresting officer a copy of the required documentation either valid

at the time of arrest or acquired within thirty (30) days after the

arrest.

D. The provisions of this section shall apply to any pipes,

hoses, or auxiliary pumps which when present in the aircraft could

be used to introduce fuel into the primary fuel system of the

aircraft from such tanks, bladders, drums, or containers.