K.S.A. 3-142

Whenever any two or more cities have acquired by purchase, or otherwise, lands for use as airports or flying fields, and whenever, in the opinion of the governing bodies of said cities, certain parcels or tracts of such real estate are no longer needed or useful in the maintenance and operation of such airports or flying fields, said cities shall have the right to sell said surplus real estate. Before transferring and conveying said surplus real estate, or any part thereof, said governing bodies shall, by resolution, find and determine that such parcels or tracts of real estate are no longer needed or useful in the maintenance and operation of such airports or flying fields, and said cities shall sell the same, as hereinafter provided.