Berlin Tegel Airport when Air Berlin entered into an agreement to assume Germania's management shortly before the death of that airline's founder, took over DBA and gained control of LTU. These events occurred in November 2005, August 2006 and March 2007, respectively. On 9 October 2017, Air Berlin announced termination of all of its own operations, excluding wetleases, by the end of the month leading to the loss of the airport's largest customer. In September 2017, a public quorum was held parallel to the German federal election to decide whether Tegel Airport should remain open once Berlin Brandenburg Airport started its operations. 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