ASN Wikibase Occurrence # 275807
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| Date: | Tuesday 22 February 2022 |
| Time: | 17:10 UTC |
| Type: |  Stoddard-Hamilton Glasair II |
| Owner/operator: | Trustee of the Ayeaye Group |
| Registration: | G-IIRG |
| MSN: | PFA 149-11937 |
| Year of manufacture: | 1994 |
| Engine model: | Lycoming IO-360-B1E |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Alton Barnes, Vale of Pewsey, 6 miles East of Devizes, Wiltshire** -
 United Kingdom
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | North Weald Airfield (EGSX) |
| Yeovilton Royal Naval Air Station (YEO/EGDY) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was returning to RNAS Yeovilton having departed from North Weald Airfield at 1627 hrs. He elected to keep the retractable landing gear selected down for the flight, as he had experienced difficulty lowering the landing gear on arrival at North Weald, which had required the use of the emergency lowering procedure.
The pilot stated that on departure from North Weald there were approximately 127 litres of fuel in the wing tank and that the expected fuel burn for the flight to Yeovilton was about 76 litres. He had not checked the fuel level in the aircraft’s auxiliary header tank, and the fuel gauges did not display the fuel level in this tank.
The flight initially proceeded uneventfully, apart from the pilot stating that right rudder and left aileron inputs were required to keep the wings level with the landing gear down whilst cruising at the maximum gear extended speed of 140 mph. Whilst the aircraft was in the vicinity of Marlborough, at an altitude of 2,500 ft in moderate turbulence, the engine began to run roughly. Having noted that the fuel contents were sufficient in the wing tank, which was the selected tank, the pilot carried out checks on the ignition, mixture, propeller and throttle controls but the engine continued to run roughly. The pilot then changed the fuel selector valve to draw fuel from the header tank. The engine recovered and ran normally for approximately 15 seconds, before then losing all power, leaving the propeller windmilling.
The pilot stated that rather than attempting to further troubleshoot the loss of engine power, he prioritised selecting a suitable landing site and having made a MAYDAY call, carried out preparations for a forced landing. He selected a grass field that was into wind and had an upslope. The aircraft landed heavily in the field, forcing the landing gear to retract and partially push the main landing gear legs through the upper wing skins.
The aircraft slid on its belly before striking a post and wire fence, which brought the aircraft to a halt. Neither the pilot nor his passenger were injured in the accident. Following the accident the header tank was observed to be empty. There was no evidence of a fuel leak from the aircraft prior to the accident.
=AAIB Conclusion=
The aircraft’s engine lost power in flight due to fuel starvation following selection of a fuel tank that was empty, after engine rough running had occurred whilst the main wing fuel tank was selected. The cause of the rough running was likely to be due to air being draw into the engine’s fuel supply due to fuel movement in flight within the wing tank. The aircraft’s POH contains warnings of interruption to the engine fuel supply from the wing tank due to flying in a sideslip condition.
=Damage to Airframe=
Per the above AAIB Report "Landing gear collapsed, damage to wings, lower surface of the fuselage, propeller and engine shock-loaded". The CAA agreed with this conclusion, and the registration G-IIRG (and the airframe de-registered) on 19 May 2022 as "destroyed"
**The location of this incident was at Alton, a civil parish in Wiltshire, England. The parish includes the adjacent villages of Alton Barnes and Alton Priors, and the nearby hamlet of Honeystreet on the Kennet and Avon Canal. It lies in the Vale of Pewsey about 6 miles east of Devizes. However, the above AAIB report gives the crash location as "Boreham" - a hamlet 1 mile South East of Warminster, in Wiltshire at approximate coordinates 51°11′ 57.98″ N, 2°9′ 56.02″ W
Accident investigation:
 |
|
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/62b19c50d3bf7f0af94634ac/Glasair_II-S_RG_G-IIRG_07-22.pdf
2. https://marlborough.news/news/emergency-landing-for-light-aircraft-in-field-above-alton-barnes/
3. https://www.wiltshire999s.co.uk/plane-crash-lands-wiltshire-engine-shuts-down/
4. https://www.itv.com/news/westcountry/2022-02-22/police-called-after-aircraft-makes-emergency-landing
5. https://www.gazetteandherald.co.uk/news/19944495.plane-makes-emergency-landing-wiltshire-field/?ref=rss
6. https://en.wikipedia.org/wiki/Alton,_Wiltshire
7. https://sv.wikipedia.org/wiki/Boreham,_Wiltshire
Location
Media:
We received a report of a light aircraft performing an emergency landing near Alton Barnes at 5.20pm this evening (22/02).
— Wiltshire Police (@wiltshirepolice) February 22, 2022
The plane landed in a field and both occupants have been reported as uninjured.
Officers are currently at the scene. pic.twitter.com/EAE1SWDoVB
Crews from @devizesfirestn @DWFRSMborough and Pewsey also attended this incident along with a Technical Rescue team from Trowbridge and 4x4 pumping appliance from @DWFRSLudgershal. Thankfully the occupants of the plane were uninjured. Our crews assisted in making the scene safe. https://t.co/mJ9iTpE4ex
— Dorset&Wiltshire FRS (@DWFireRescue) February 22, 2022
Stoddard-Hamilton Glasair II G-IIRG at RAF Shawbury, Shropshire 17 July 2021:UPDATE: Wiltshire Police has confirmed no one has been injured in the crash-landing near Pewsey.
— Wiltshire 999s (@Wiltshire999s) February 22, 2022
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Feb-2022 00:10 | Geno | Added |
| 23-Feb-2022 02:11 | RobertMB | Updated [Date, Operator, Nature, Narrative] |
| 23-Feb-2022 06:46 | gerard57 | Updated [Narrative] |
| 23-Feb-2022 07:40 | Aerossurance | Updated [Aircraft type, Operator, Location, Phase, Narrative] |
| 23-Feb-2022 22:44 | Dr. John Smith | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Departure airport, Destination airport, Source, Embed code, Damage, Narrative, Category] |
| 23-Feb-2022 22:52 | Dr. John Smith | Updated [Embed code] |
| 23-Feb-2022 22:54 | Dr. John Smith | Updated [Departure airport] |
| 14-Jul-2022 19:02 | Dr. John Smith | Updated [Time, Location, Departure airport, Destination airport, Source, Narrative, Category] |
| 14-Jul-2022 19:03 | Dr. John Smith | Updated [Narrative] |
| 15-Jul-2022 06:27 | harro | Updated [Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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