Berlin Tegel Airport additional aircraft stands were constructed and the building was expanded by approximately 50% of its original size, in order to handle another 1.5 million passengers per year. The extended terminal now houses a transit zone for connecting passengers which does not exist at any other terminal at Tegel Airport. Due to noise protection treaties, the overall number of aircraft stands at the airport is restricted, thus aircraft stands on the apron (serving Terminals A and D) had to be removed for compensation. Terminal C is able to handle widebody-aircraft like formerly Air Berlin's Airbus A330-200s up to the size of
Berlin Tegel Airport million. This included Pan Am's internal German traffic rights as well as its gates and slots at Tegel. This agreement, under which Lufthansa contracted up to seven of Pan Am's Tegel-based Boeing 727-200s operated by that airline's flightdeck and cabin crews to ply its scheduled routes to Munich, Nuremberg and Stuttgart until mid-1991, also facilitated Pan Am's orderly exit from the internal German air transport market after 40 years' uninterrupted service as European Union (EU) legislation prevented it from participating in the internal air transport market of the EU/European Economic Area (EEA) as a non-EU/EEA headquartered carrier. However, Pan Am