ASN Wikibase Occurrence # 197213
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| Date: | Monday 7 August 2017 |
| Time: | 16:00 LT |
| Type: |  Pipistrel Virus 912 |
| Owner/operator: | Private |
| Registration: | 17-YO |
| MSN: | 577SW100 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Ultralight base of St-Estèphe, Médoc, Gironde -
 France
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Ultralight base of St-Estèphe |
| La Rochelle, Charente-Maritime | |
| Investigating agency: | BEA |
| Confidence Rating: |  Accident investigation report completed and information captured |
The accident took place while both victims overflew the airfield one last time for their friends on the ground. The aircraft eventually nosed down and impacted terrain. A post-impact fire consumed the wreckage. Both occupants, a 71 year old man (an experienced pilot), and a woman perished in the accident.
Conclusion
The pilot decided to return to the ultralight airfield in order to greet friends who had stayed behind. To do this, he flew over the runway at low height and high speed.
The collision with the ground occurred during this passage. Among the explanations of this path deviation are:
- a loss of pitch control directly related to the vibration phenomenon similar to flutter, which was observed by the witnesses ;
- a failure of a component of the aircraft as a result of this flutter;
- a failure of a component of the aircraft as a result of the load factor reached at a speed most likely greater than the manoeuvring speed at the time the resource appears to have been initiated.
The appearance of a flutter-like phenomenon during the overflight of the runway could have precipitated an action to be pitched up by the pilot.
The condition of the wreckage after the fire did not confirm or refute the hypothesis of in-flight failure.
Assuming that the ultralight was of sufficient integrity to do so, the low height of the overflight did not allow the pilot to regain control of the ultralight or activate his rescue parachute before he hit the ground.
Accident investigation:
 |
|
Sources:
https://www.francebleu.fr/infos/faits-divers-justice/gironde-deux-personnes-decedent-dans-un-accident-d-ulm-saint-estephe-1502122522
http://www.europe1.fr/faits-divers/gironde-deux-morts-dans-un-accident-dulm-3405971
https://www.sudouest.fr/2017/08/08/crash-d-ulm-en-gironde-bertrand-danglade-etait-un-pilote-confirme-3679541-4628.php
https://www.bea.aero/les-enquetes/les-evenements-notifies/detail/event/accident-de-lulm-pipistrel-virus-912-identifie-17-yo-survenu-le-07082017-a-saint-estephe-33/
Images:
Media:
2 occupants died in an ultralight crash, France
— Planes Of Legend (@PlanesOfLegend) 8 août 2017
Gironde : deux Charentais-Maritimes décèdent dans un accident d’ULM https://t.co/8V9jgq4uzg pic.twitter.com/IrggRVbuFa
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Aug-2017 18:01 | Iceman 29 | Added |
| 07-Aug-2017 19:11 | Iceman 29 | Updated [Location, Source, Narrative, Photo, ] |
| 08-Aug-2017 08:42 | Iceman 29 | Updated [Source, Embed code] |
| 08-Aug-2017 19:35 | Anon. | Updated [Narrative] |
| 08-Aug-2017 21:25 | Iceman 29 | Updated [Aircraft type, Source, Embed code, Narrative] |
| 09-Aug-2017 06:25 | harro | Updated [Aircraft type, Embed code] |
| 25-Aug-2017 09:36 | Alpine Flight | Updated [Time, Aircraft type, Registration, Source] |
| 14-Aug-2018 18:01 | harro | Updated [Cn, Narrative] |
| 14-Aug-2018 18:02 | harro | Updated [Phase] |
Corrections or additions? ... Edit this accident description
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