2 Pa. Stat. § 1502
Any incorporated town, acquiring land under the provisions of this act, is authorized and empowered to acquire, by lease or purchase, land for aviation purposes, as hereinbefore provided; jointly with any county, city, borough, incorporated town, township, or political subdivision of this Commonwealth, and is hereby authorized and empowered to operate and maintain said airport, airdrome, landing field, or intermediate landing field, jointly, with any county, city, borough, incorporated town, township, or other political subdivision of this Commonwealth, upon such terms and conditions as may be agreed upon between the proper authorities of the county, city, borough, incorporated town, township, or other political subdivision of this Commonwealth.
2 P.S. § 1502