The Lufttransportdienst des Bundes (LTDB) (English: Federal Air Transport Service, French:Service de transport aérien de la Conféderation, (STAC)),operates the aircraft and helicopters of the Swiss government. The LTDB is located at Bern Airport . Since 2005, the LTDB has been part of the Swiss Air Force. Prior to that, she was assigned to the Federal Office of Civil Aviation .

With the appointment of Messerschmitt Bf 109 fighter aircraft in 1938, the Swiss Air Force also ordered 15 Messerschmitt Bf 108B typhoons to rephrase the pilots. With their four-seat cabin, the Me-108 received the secondary task of transporting high military forces between the military airfields.