Kan. Stat. § 3-127
The board of public utilities of any such city shall have the exclusive control of the municipal airport and municipal fields for aviation purposes and shall fix the rates to be charged for the use of the municipal airport facilities and for the use of the municipal fields for aviation purposes. It shall have power to hire and discharge all employees, agents and officers of the municipal airport and municipal fields for aviation purposes in such city and fix their compensation, purchase all machinery, tools and other appliances and all materials and supplies necessary for the operation of the municipal airport and municipal fields for aviation purposes, and to pay for the same out of the earnings of the water and electric light plants not needed in the operation, management and control of the said water and light plants as designated for said purposes by the provisions of K.S.A. 13-1220 to 13-1234a, and all acts amendatory thereof or supplemental thereto: Provided, That the board of public utilities may adjust its water and light rates, if it becomes necessary, in order to meet any deficiency in revenues required for the maintenance, operation, extension or improvement of such airport and municipal fields for aviation purposes and to provide funds to retire any bonded obligations of the municipal airport and municipal fields for aviation purposes as they become due.
K.S.A. 3-127