Berlin Tegel Airport notable, non-fatal incidents involving airline operations occurred at Tegel. These include commercial flights that were about to depart or had actually departed/arrived as well as unscheduled stopovers: There were also two Cold war era incidents relating to an American and a British airliner that had departed Tegel on international non-scheduled passenger services. Both of these occurred in Bulgarian airspace. The former was a charter flight carrying German holidaymakers to the Bulgarian Black Sea coast, the latter a migrant charter en route to Turkey: Berlin Tegel Airport Berlin Tegel "Otto Lilienthal" Airport () is the main international airport of Berlin, the
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