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
Airport city Airport city Airport city is the "inside the fence" airport area including the airport (terminals, apron, and runways) and on-airport businesses such as air cargo, logistics, offices, retail, and hotels. The airport city is at the core of the aerotropolis, a new urban form evolving around many major airports. The airport city model recognises that an airport can do more than perform its traditional aeronautical services, evolving new non-aeronautical commercial facilities, services and revenue streams. Airports are now routinely targeting non-aeronautical revenue streams amounting to 40–60% of their total revenues. Industry leaders and researchers share best practices on non-aeronautical revenues