LTU International

LTU International Airways
Founded	May 1955; (as Lufttransport Union)
Commenced operations	20 October 1955
Ceased operations	13 October 2009; (merged into Air Berlin)
Hubs	Berlin–Tegel; Düsseldorf; Munich;
Frequent-flyer program	Qualiflyer (1992–2002); LTU Redpoints (2002–2007); topbonus (2007–2009);
Subsidiaries	LTE International Airways (1987–2001); Lufttransport Süd (1983–1998); LTU Austria (2004–2008);
Parent company	Air Berlin
Headquarters	Düsseldorf, North Rhine-Westphalia, Germany
Key people	Helmut Weixler (CEO)

LTU International Airways, usually shortened to LTU and 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 in Düsseldorf, Munich and at Tegel Airport in Berlin. LTU was acquired by Air Berlin in 2007. Use of the LTU brand ceased in 2009, and LTU itself was dissolved by April 2011.