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 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