Kan. Stat. § 3-130
The board of public utilities may establish all reasonable rules and regulations to protect the property rights vested in the city and under control of the board of public utilities. The board of public utilities may issue vouchers or warrants in payment of all claims and accounts incurred by said board for said municipal airport and municipal fields for aviation purposes, which vouchers or warrants when approved by the board of public utilities shall be authority to the city treasurer, ex officio treasurer of the board of public utilities, to pay and charge the same against the proper funds. The board of public utilities shall have such other powers as may be necessary for the proper discharge of its duties in the management, operation and control of the municipal airport and municipal fields for aviation purposes.
K.S.A. 3-130