Berlin Tegel Airport Caledonian, Capitol International Airways, Overseas National Airways, Saturn Airways, Trans International Airlines, Transamerica Airlines and World Airways. During that period, the airport scene at Berlin Tegel could be very colourful, with Air France Caravelles, the UK independents' BAC One-Elevens, de Havilland Comets and Hawker Siddeley Tridents as well as the US supplementals' Boeing 707s, Convair Coronados and Douglas DC-8s congregating on its ramp. During 1974 alone, 22 airlines were operating at Tegel Airport. Construction of a new, hexagonally shaped terminal complex on the airport's south side began during the 1960s. This coincided with the lengthening of the runways to permit
Airport city logically combined elements that reinforce each other. Services and facilities are designed to guide travelers easily through the airport process. Access is key for passengers, cargo, businesses, and residents, many of whom work in the airport city. "Time" has named it as one of "10 ideas that will change the world". The chapter "The Way Forward" from "Global Airport Cities" describes the basic airport city drivers, which have evolved with different spatial forms predicated on available land and ground transportation infrastructure: The most common airside and landside airport city commercial activities include: duty-free shops and airline lounges; restaurants, catering, and