Okla. Stat. tit. 3, § 3-271: Possession of airman's certificate and medical certificate

while operating aircraft.

The required airman's certificate and medical certificate as

applicable shall be kept in the personal possession of the

certificate holder when he is operating aircraft within this state

and shall be presented for inspection upon the demand of any peace

officer of this state or any federal law enforcement officer. Any

person arrested for a violation of this section shall be released by

the arresting officer upon personal recognizance if the arrested

person signs a written promise to appear as provided for on the

citation issued by the arresting officer. The arresting officer

shall record the arraignment date and time on the citation. Any

person convicted of violating this section shall be guilty of a

misdemeanor; provided however, no person charged with violating this

section shall be convicted of the charge if he or she produces in

court or the office of the arresting officer the required

certificates issued to that person and valid at the time of arrest.