Contact Air Flugdienst was a German regional airline from Filderstadt. With flight operations based at Stuttgart Airport, it operated scheduled passenger flights under the Lufthansa Regional brand.

The airline was founded in 1974 as a tax-break by Gunter Eheim, a German World War II test pilot and later manufacturer of aquarium filters, initially operating chartered passenger services using a small fleet of Dassault Falcon 20 and Learjet aircraft. In 1981, Contact Air became one of the launch customers for the British Aerospace Jetstream, along with US carrier Mall Airways. Its first aircraft of that type was delivered in the following year.

In 1984, Contact Air was subcontracted by DLT to operate one of its Jetstreams on scheduled regional flights on behalf of Lufthansa. Subsequently, DLT acquired 24.8 percent of the Contact Air shares.

Having waged the alternative of ordering the ATR 42, Contact Air announced in 1986 that it had chosen the de Havilland Canada Dash 8-100 for a fleet enlargement, thus becoming the second European airline to operate that type, after Tyrolean Airways. Two years later, Contact Air became the first non-Canadian buyer of the stretched Dash 8-300 version, ordering three aircraft worth $35 million.

In April 1996, Contact Air became a founding member of Team Lufthansa. In 2004, this airline association was reorganized as Lufthansa Regional, a Star Alliance affiliate. Henceforth, all Contact Air flights were operated using the Lufthansas branding and flight numbers.

On 29 November 2011, it was reported that Lufthansa would terminate its contract with Contact Air effective 1 October 2012. At that time, the Contact Air fleet consisted of eight Fokker 100, six of which were operated on behalf of Lufthansa out of Stuttgart Airport, with another two being based at Zurich Airport and operated for Swiss International Air Lines. In May 2012, Contact Air agreed to be taken over by OLT Express Germany, a step which was finalized in September of that year following its approval by the Federal Cartel Office.

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