When Death From The Air Struck The Farnborough Hillside The grim scene on the hillside where the spectators were killed and injured casualties lie on the ground as first and is given. In background is an ambulance and a crowd which seams bewildered and stunned. Twenty persons - pilot John Derry and a passenger and 18 spectators were killed and 35 spectators were injured when the No. 1 prototype of the semi-secret De Havilland 110 all-weather jet fighter blew up at the Farnborough (Hampshire) air