The single-engine aircraft made the dramatic crash landing in a back garden in Cheltenham, Gloucestershire on June 6. The plane's parachute deployed and the pilot was uninjured.
The aircraft was heading from Denham Aerodrome in Buckinghamshire to Gloucestershire airport. It crashed in Up Hatherley, about two miles short of its destination.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.