The department may by contract, lease, or other arrangement, upon a consideration fixed by it, grant to any qualified person for a term not to exceed twenty-five years the privilege of operating, as agent of the state or otherwise, any airport owned or controlled by the state: PROVIDED, That no such person shall be granted any authority to operate the airport other than as a public airport or to enter into any contracts, leases, or other arrangements in connection with the operation of the airport which the department might not have undertaken under RCW 47.68.130.
RCW 47.68.140