Berlin Tegel Airport One-Eleven that was inbound from Tenerife. Following Pan Am's and British Airways's move from Tempelhof to Tegel on 1 September 1975, the latter replaced Tempelhof as the main airport of West Berlin. Following Germany's reunification on 3 October 1990, all access restrictions to the former West Berlin airports were lifted. Lufthansa resumed flights to Berlin on 28 October 1990, initially operating twelve daily pairs of flights on a limited number of routes, including Tegel–Cologne, Tegel–Frankfurt and Tegel–London Gatwick. To facilitate the German flag carrier's resumption of services from/to Berlin, it purchased Pan Am's Internal German Services (IGS) division for US$150
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