| Date: | Friday 6 May 1949 |
| Time: | |
| Type: |  Bristol 170 Freighter 31 |
| Owner/operator: | Bristol Aeroplane Company |
| Registration: | G-AIFF |
| MSN: | 12766 |
| Fatalities: | Fatalities: 7 / Occupants: 7 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | 26 km off Portland Lighthouse -
 United Kingdom
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Test |
| Departure airport: | Filton Airport (FZO/EGTG) |
The Bristol 170 aircraft was operated by the Bristol company to perform some tests to obtain engine and propeller data under specific climbing conditions. The aircraft departed Filton at 10:03. At 11:10 the commander of a surfaced submarine saw the aircraft crash into the sea. A large object, thought to be part of the wing was seen fluttering down separately.
PROBABLE CAUSE: "The accident was the result of a structural failure in the air, the cause of which is unknown."
Sources:
Location
Revision history:
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