The board of directors of the airport authority may enter into contracts with the county, or any city located in the county in which the airport authority is located, for the purpose of providing special police protection by any such city or county on property owned, managed or controlled by the airport authority. While on property owned, managed or controlled by the airport authority, all duly qualified law enforcement officers of any city or county contracting with the airport authority shall have all of the powers and authority herein granted to law enforcement officers appointed by the airport authority.