Berlin Tegel Airport the steady decline in scheduled domestic air traffic from and to West Berlin was arrested and reversed. The first expansion in Pan Am's Berlin operation since the move to Tegel occurred during that year's Easter festival period, when the airline temporarily stationed a Boeing 707-320B at the airport to cope with the seasonal rush on the prime Berlin–Frankfurt route. From late 1979, Pan Am began updating its Berlin fleet. This entailed phasing out all 727-100s by 1983. The first stage involved replacing two of the 13 German-based aircraft with a pair of stretched Boeing 727-200s originally destined for Ozark Air
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