All cities of the second class within this Commonwealth are hereby authorized and empowered to acquire by lease, purchase, or condemnation proceedings any land lying either within or without the limitations of said city, but within the limitations of the county in which such city is located, which, in the judgment of the corporate authorities thereof, may be necessary and desirable for the purpose of establishing and maintaining municipal airdromes or aviation landing fields.
53 P.S. § 24161