Mo. Rev. Stat. § 305.210

The local legislative body of a city, including cities under special charter, village, town or county which has established an airport or landing field and acquired, leased, or set apart real property for such purpose may construct, improve, equip, maintain, and operate the same, or may vest jurisdiction for the construction, improvement, equipment, maintenance, and operation thereof, in any suitable officer, board or body of such city, village, town or county, or may by franchise or contract authorize others, in whole or in part, to construct, equip, maintain, and operate the same. The expense of such construction, improvement, equipment, maintenance and operation shall be a city, village, town or county charge, in whole or in part, as the case may be. The local legislative body of a city, village, town, or county may adopt regulations and establish fees for charges for the use of such airport or landing field.