ASN Wikibase Occurrence # 188562
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| Date: | Friday 8 July 2016 |
| Time: | 10:34 LT |
| Type: |  Yakovlev Yak-52 |
| Owner/operator: | QinetiQ /Empire Test Pilot School (ETPS) |
| Registration: | G-YAKB |
| MSN: | 9211517 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 1 NM north of Dinton, Wiltshire, England -
 United Kingdom
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Boscombe Down RAF Station (EGDM) |
| Boscombe Down RAF Station (EGDM) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AAIB investigation to Yak-52, G-YAKB: Loss of power and unsuccessful forced landing, 1 nm north of Dinton, Wiltshire, 8 July 2016.
The aircraft was conducting a flight for a test pilots’ school. The commander, a civilian flight instructor, was in the rear seat and a tutor from the school occupied the front seat.
Shortly after completing a series of aerobatic manoeuvres, the engine lost power without warning. Attempts to restore power were unsuccessful and, at about 1,100 ft agl, the commander committed to a forced landing in a field. Evidence showed that the pilots probably became aware of a farm strip late in the approach to the intended field and made an attempt to land on the strip. The forced landing was unsuccessful and the aircraft struck the ground in a steeply left banked attitude at the southern edge of the strip. The tutor was fatally injured and the commander sustained serious injuries.
=AAIB Conclusion=
The cause of the loss of engine power could not be determined, but the reported symptoms were consistent with a fuel system problem. Attempts to restart the engine were unsuccessful and the commander committed to a forced landing from about 1,100 ft agl. Although the commander’s initial intention was to force land in a field, he became aware of a farm strip and probably made a late change of decision to land on the strip. This late decision, and the subsequent manoeuvres in the attempt to reach the strip, ultimately resulted in an unsuccessful forced landing and the aircraft struck the ground in a steeply left banked attitude.
=Safety Recommendation 2017-021=
The Civil Aviation Authority should review the maintenance requirements for seat belts and harnesses, and, if necessary, revise the maintenance requirements to ensure that seat belts and harnesses remain in a condition with an acceptable residual strength
Dinton is a village, civil parish and former manor in Wiltshire, England, in the Nadder valley on the B3089 road about 8 miles west of Salisbury.
Accident investigation:
 |
|
Sources:
1. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/653673/AAIB_Bulletin_11-2017.pdf
2. http://www.bbc.co.uk/news/uk-england-wiltshire-36744111
3. https://www.flightradar24.com/data/aircraft/g-yakb#a452f32
4. http://www.salisburyjournal.co.uk/news/14607214.BREAKING__jet_crashes_in_Dinton/(inc/ photos)
5. http://www.gazetteandherald.co.uk/news/14607434.Emergency_services_at_scene_of_plane_crash/
6. http://www.itv.com/news/west/2016-07-08/man-killed-in-light-aircraft-crash-in-wiltshire/
8. http://www.raf.mod.uk/news/archive/raf-pays-tribute-to-pilot-killed-in-civilian-air-accident-11072016
9. https://www.gov.uk/government/publications/service-inquiry-into-the-aircraft-accident-involving-yak52-g-yakb-on-8-july-2016
10. 2017: Service Inquiry https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/618535/Service_Inquiry_into_the_accident_involving-YAK52-G-YAKB-20170606-YAK-Rct.pdf
11. SN-2019/004: Use of the Fuel Pump Primer in an Emergency: Yak 50/52 Aeroplanes: http://publicapps.caa.co.uk/docs/33/SafetyNotice2019004.pdf
12. https://www.theguardian.com/uk-news/2017/aug/05/test-pilot-death-raf-mod-report-alex-parr
13. https://www.pprune.org/military-aviation/581415-yak-52-down-nr-boscombe-8-7-2016-a.html
14. https://en.wikipedia.org/wiki/Dinton,_Wiltshire
History of this aircraft
G-YAKB was built in 1992, and was first registered in the USSR as RA-44491 the same year. The aircraft was registered in the UK as G-YAKB on 25 November 2002. The aircraft was transferred to its second (and ultimately final) owner on 25 October 2011. The registration G-YAKB was cancelled (and the airframe de-registered) on 8 September 2017 as \"Permanently withdrawn from use\"
Location
Media:
UPDATE [09.07-15:42] #Dinton #Buckinghamshire #Inghilterra #UK #incidente #aereo Yakovlev Yak-52 1 morto 1 #ferito pic.twitter.com/NROfFCQ5X8
— Emergenza24 (@Emergenza24) 9 July 2016
The AAIB is sending a team to investigate an accident involving a light aircraft that occurred near Dinton, Wiltshire
— AAIB (@aaibgovuk) 8 July 2016
Major engine failure caused Yak-52 crash near Wiltshire airfield, 8 july 2016https://t.co/Q6ahNL5SY8 pic.twitter.com/fI8lHrzlaZ
— Planes Of Legend (@PlanesOfLegend) 16 juin 2017
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Jul-2016 12:58 | swat.pilots | Added |
| 08-Jul-2016 12:59 | harro | Updated [Aircraft type, Other fatalities, Location, Country, Damage, Narrative, Plane category] |
| 08-Jul-2016 13:03 | harro | Updated [Registration, Cn, Operator, Location, Phase, Source] |
| 08-Jul-2016 15:08 | Aerossurance | Updated [Time, Phase, Destination airport, Source, Damage, Narrative] |
| 08-Jul-2016 17:50 | swat | Updated [Total fatalities, Source] |
| 08-Jul-2016 22:37 | Geno | Updated [Location, Source] |
| 09-Jul-2016 00:24 | Dr.John Smith | Updated [Location, Phase, Nature, Destination airport, Source, Embed code, Narrative] |
| 09-Jul-2016 06:31 | Anon. | Updated [Departure airport] |
| 11-Jul-2016 13:39 | Dr.John Smith | Updated [Location, Phase, Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 11-Jul-2016 14:29 | Dr.John Smith | Updated [Source, Embed code] |
| 13-Jul-2016 07:17 | Aerossurance | Updated [Operator, Nature, Source, Narrative] |
| 13-Jul-2016 12:32 | Dr.John Smith | Updated [Source] |
| 16-Jun-2017 15:23 | Aerossurance | Updated [Source] |
| 16-Jun-2017 22:49 | Iceman 29 | Updated [Source, Embed code, Narrative] |
| 25-Jun-2017 14:40 | bobby | Updated [Embed code, Narrative] |
| 17-Jul-2017 20:05 | Aerossurance | Updated [Source, Narrative] |
| 09-Nov-2017 14:26 | harro | Updated [Time, Location, Source, Narrative] |
| 17-Jun-2019 20:03 | harro | Updated [Source] |
| 10-Apr-2020 20:10 | Nick Slaughter | Updated [Operator, Operator] |
| 22-Jun-2022 18:51 | Nepa | Updated [Operator, Location, Operator] |
| 04-Apr-2024 07:11 | Dr. John Smith | Updated [Departure airport, Destination airport, Source, Narrative, Category] |
| 04-Apr-2024 07:13 | ASN | Updated [Accident report] |
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