74 Pa.C.S. § 5701 Department approval.
(a) Obstructions to aircraft within approach area.--A person who erects and maintains any smokestack, flag pole, elevated tank, radio station tower, antenna, building, structure, any object of natural growth or other obstruction to the operation of aircraft within an approach area that extends above an inclined plane without first obtaining prior approval thereof from the department commits a summary offense. Each day a violation of this subsection continues constitutes a separate offense.
(b) Structures in close proximity to airport.--A person who erects a new structure or adds to an existing structure in violation of guidelines or regulations adopted by the Federal Aviation Administration of the United States Department of Transportation, or who erects the structure with respect to the airport without, in either event, first obtaining prior approval from the department, commits a summary offense.
(c) Definition.--As used in this section the term "approach area" includes all that area lying within and above an inclined plane, starting at each end of each runway or landing strip of a public-use airport, as described by guidelines or regulations adopted by the Federal Aviation Administration of the United States Department of Transportation.