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
Berlin Tegel Airport with the airline's transatlantic services at the latter airport, Pan Am withdrew its non-stop Tegel–JFK service at the end of the summer timetable, in October of that year. Following the cessation of direct Tegel–New York City scheduled services, Pan Am continued to operate affinity group/Advance Booking Charter (ABC) flights from Tegel to the US on an "ad hoc" basis. From the start of the 1974–75 winter season, Pan Am began operating a series of short- and medium-haul week-end charter flights from Tegel under contract to a leading West German tour operator. These flights served popular resorts in the Alpine region