ASN Wikibase Occurrence # 23035
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| Date: | Sunday 1 September 1974 |
| Time: | 15:53 UTC |
| Type: | Sikorsky S-67 |
| Owner/operator: | Sikorsky Aircraft |
| Registration: | N671SA |
| MSN: | 67001 |
| Year of manufacture: | 1970 |
| Total airframe hrs: | 598 hours |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Farnborough Airfield, Farnborough, Hampshire -
 United Kingdom
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Demo/Airshow/Display |
| Departure airport: | Farnborough Aerodrome (FAB/EGLF) |
| Farnborough Aerodrome (FAB/EGLF) | |
| Investigating agency: | AIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Sikorsky S-67 Blackhawk prototype was carrying out a demonstration at the press preview of the Society of British Aerospace Companies (SBAC) 1974 Farnborough Air Show. Towards the end of its planned display the Blackhawk carried out a low level roll to the right starting at a height of 300 to 400 feet and then almost immediately started a second right hand roll. Whilst the helicopter was inverted the nose fell below the horizon and it then executed a manoeuvre mainly in the looping plane in an apparent attempt to recover. However, although it achieved a level attitude, slightly port wing down, the helicopter struck the ground with a high rate of descent and caught fire. The co-pilot was killed in the crash and the commander died nine days later.
The AAIB concluded that the accident was caused by the failure of the commander to establish the correct entry conditions for a low level roll manoeuvre and that under these circumstances the height at which the manoeuvre was started was inadequate to permit recovery.
Accident investigation:
 |
|
Sources:
1. Reading Evening Post - Monday 2nd September 1974
2. Daily Telegraph - 2nd September 1974
3. https://assets.digital.cabinet-office.gov.uk/media/5422eb91e5274a131700008d/1-1976_N671SA.pdf
4. FAA: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=671SA
5. https://www.sandboxx.us/blog/s-67-blackhawk-when-the-blackhawk-was-an-attack-chopper/
6. https://en.wikipedia.org/wiki/Sikorsky_S-67_Blackhawk#Fatal_crash_and_afterwards
7. https://abpic.co.uk/pictures/view/1116351/_
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 05-Mar-2010 15:02 | TB | Updated [Other fatalities, Departure airport, Destination airport, Narrative] |
| 08-Feb-2012 05:35 | g4led | Updated [Source, Narrative] |
| 16-Mar-2012 06:04 | bull85 | Updated [Source] |
| 09-Aug-2014 18:36 | Aerossurance | Updated [Location, Source, Narrative] |
| 28-Jul-2015 14:47 | Dr. John Smith | Updated [Departure airport, Destination airport, Source, Embed code, Narrative] |
| 13-Mar-2017 17:55 | TB | Updated [Location, Source, Embed code, Narrative] |
| 04-Jun-2021 08:22 | harro | Updated [Accident report] |
| 07-Jun-2022 22:40 | Dr. John Smith | Updated [Location, Source, Embed code, Category] |
| 07-Jun-2022 22:43 | Dr. John Smith | Updated [Embed code] |
| 07-Jun-2022 22:44 | Dr. John Smith | Updated [Embed code] |
| 21-Jul-2022 23:27 | Dr. John Smith | Updated [Source, Embed code] |
| 30-Nov-2023 08:08 | harro | Updated [Aircraft type, Other fatalities] |
Corrections or additions? ... Edit this accident description
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