52 Pa. Code § 27.1
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Aircraft-A vehicle which travels through the air including but not limited to airplanes, autogiros, helicopters and lighter-than-aircraft, except free balloons.
Airport-A landing area approved and licensed by the Bureau of Aviation, Department of Transportation, as suitable and adopted for the landing and taking off of aircraft, and those airports maintained by the Government of the United States or the Commonwealth.
Base of operations-An airport or landing area within this Commonwealth at which a charter carrier regularly holds itself out to render charter service.
Certificate-A certificate of public convenience as issued by the Commission.
Commission-Pennsylvania Public Utility Commission.
Common carrier-Any and all persons or corporations holding out, offering or undertaking, directly or indirectly, service for compensation to the public for the transportation of passengers or property, or both, or a class of passengers or property, between points within this Commonwealth by aircraft, and including forwarders, but not contract carriers, or brokers, or a bona fide cooperative association transporting property exclusively for the members of the association on a nonprofit basis.
Corporation-Bodies corporate, joint stock companies or associations, domestic or foreign, their lessees, assignees, trustees, receivers or other successors in interest, having any of the powers or privileges of corporations not possessed by individuals or partnerships, but not including municipal corporations, except as otherwise expressly provided in the act, nor bona fide cooperative associations which furnish service on a nonprofit basis only to their stockholders or members.
Landing area-A locality, either water or land, licensed by Bureau of Aviation, Department of Transportation, as being adapted for the landing or taking off of aircraft and those landing areas maintained by the Government of the United States or the Commonwealth.
Person-Individuals, partnerships or associations, other than corporations, and including their lessees, assignees, trustees, receivers, executors, administrators or other successors in interest.
Pilot-A person authorized by the United States Government to operate aircraft used in common carrier service.
52 Pa. Code § 27.1