Airport means public-use airport open to the public without prior permission and without restrictions within the physical capacities of available facilities.
International air transportation means transportation by air between a place in the United States and a place outside the United States or between two places both of which are outside the United States.
commercial air transport means an aircraft operation involving the transport of passengers, cargo, or mail for remuneration or hire.
Civil aircraft means any aircraft other than a public aircraft.
Port means a line or trunk connection point, including a line card and associated peripheral equipment, on a Central Office Switch but does not include Switch features. The Port serves as the hardware termination for line or Trunk Side facilities connected to the Central Office Switch. Each Line Side Port is typically associated with one or more telephone numbers that serve as the Customer's network address.
Airline means any air transport enterprise offering or operating international air services;
international traffic means any transport by a ship or aircraft operated by an enterprise of a Contracting State, except when the ship or aircraft is operated solely between places in the other Contracting State;