The 1952 Farnborough DH.110 crash
was an air show accident
that killed 29 spectators, the pilot (John Derry
), when during a , the aircraft broke up due to a faulty wing leading edge design. The DH.110 was grounded and strict safety procedures were subsequently enacted (no member of the public has been killed at a British since).
The planned demonstration of the DH.110 on that day was nearly cancelled when the aircraft at Farnborough, an all-black nightfighter prototype went unserviceable. It had been taken supersonic over the show on the opening day. Derry and Richards left Farnborough to collect WG 236
and flew it from Hatfield to Farnborough with just enough time to start their slot.Following a low-level supersonic flypast
and during a left bank at ~450 knots
(833 km/h) toward the air show's 120,000 spectators, the pilot started a climb. The outer starboard wing and, immediately afterward, the outer port wing broke off the aircraft; followed by both engines and the cockpit—the latter injuring several spectators. One engine broke into two sections and "ploughed into ... Observation Hill", injuring and killing... Read More