Section 496.250 - Actions declared to be public and governmental functions; immunity1. The acquisition of any land or interest therein pursuant to this chapter, the planning, acquisition, establishment, development, construction, improvement, maintenance, equipment, operation, regulation, protection, and policing of airports and air navigation facilities, including the acquisition or elimination of airport hazards, and the exercise of any other powers herein granted to municipalities and other public agencies, to be exercised severally or jointly, are hereby declared to be public and governmental functions, exercised for a public purpose, and matters of public necessity; and, in the case of any county, are declared to be county functions and purposes as well as public and governmental; and, in the case of any municipality other than a county, are declared to be municipal functions and purposes as well as public and governmental.2. All land and other property and privileges acquired and used by or on behalf of any municipality or other public agency in the manner and for the purposes enumerated in this chapter shall and are hereby declared to be acquired and used for public and governmental purposes and as a matter of public necessity, and, in the case of a county or municipality, for county or municipal purposes, respectively.3. No action or suit shall be brought or maintained against any county, municipality, or its officers, agents, servants or employees for damages arising from tort occurring in or about the construction, maintenance, operation, superintendence, or management of any county or municipal airport, at such times as such airport may be leased to, operated by, or otherwise under the control or management of any individual or private corporation operating or managing the same for private gain; but nothing in this subsection shall relieve any county or municipality of liability for such damages if the airport is operated or managed by the county or municipality or their employees.