LTU, legally incorporated as LTU Lufttransport-Unternehmen GmbH, was a German leisure airline headquartered in Düsseldorf. It operated medium and long-haul routes and maintained hubs at Düsseldorf Airport, Munich Airport and Berlin-Tegel Airport. LTU was acquired by Air Berlin in 2007. Use of the LTU brand ceased in 2009, and LTU itself was dissolved in 2011.
LTU was established in 1955 as Lufttransport Union. It adopted its present name in 1956 when it operated charter flights.
Source: Wikipedia December 2017
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