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.

Therefore, the Swiss Air Force procured three Beechcraft Twin Bonanza E-50 as a replacement.

The former are mainly used for the VIP transport, in particular by members of the Federal Council, which is why they are often called Bundesratsjets .

The jets are the Dassault Falcon 900EX (T-785) and Cessna Citation Excel (T-784) Which can accommodate up to six passengers each.

It is intended to replace the Beech 1900 with two Former REGA CL 604 ( T-751 & T-752), Former HB-JRB & HB-JRC.

The two turboprops DHC-6 Twin Otter (T-741) and Beechcraft Super King Air (T-721) are usually not used for VIP flights, but for transporting other passengers as well as for the As well as for Swisstopo.