Mandatory Credit: Photo by South Bedfordshire News Agen/REX/Shutterstock (8627926b) The Airlander 10 Airlander 10, Cardington,Bedfordshire, UK - 19 Apr 2017 The back end of the world's largest aircraft, which is nicknamed The Flying Bum, reared up in the air during testing today/Weds at its base at Cardington Airfield in Bedfordshire. The Airlander 10 underwent extensive repairs after is crash-landed on its second flight from the airfield last August. On that occasion its mooring line got caught on power cables. THE two pilots were unharmed, but the cockpit was smashed. The Airlander's manufacturers, Hybrid Air Vehicles, say they are carrying out final tests before flying restarts. As part of the repairs the aircraft has new inflatable feet. A spokesperson for the company said there were no issues with the Airlander 10 today/Weds and that it occasionally lifts off the ground during testing.