A series of five Dornier UH-1D of the German Air Force (Luftwaffe) HTG64 (Helicopter Transport Wing 64 - German: Hubschraubertransportgeschwader 64) which was established at Penzing Air Base in Bavaria on 1 October 1966. From February 1968 until May 1969 the introduction of the Dornier (Bell) UH-1D took place, replacing all other aircraft previously flown by Helicopter Transport Wing 64. The wing provided Transport, Training, Test and SAR functions throughout it's existence. Following a re-organisation of the German Armed Forces, Helicopter Transport Wing 64 was officially disbanded on 1 April 1994. By then the wing had flown more than 500,00 hours on the Bell UH-1D, transporting more than 450,000 persons and 5,800 cargo. During SAR missions about 120,000 casualties were rescued.