ASN Wikibase Occurrence # 165618
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| Date: | Sunday 20 April 2014 |
| Time: | 15:40 |
| Type: |  Aerocomp Comp Air 8 Turbine |
| Owner/operator: | Suomen Urheiluilmailijat ry |
| Registration: | OH-XDZ |
| MSN: | 1 |
| Year of manufacture: | 2009 |
| Fatalities: | Fatalities: 8 / Occupants: 11 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 2 km from Jämijärvi airfield EFJM, Satakunta -
 Finland
|
| Phase: | En route |
| Nature: | Parachuting |
| Departure airport: | EFJM |
| EFJM | |
| Confidence Rating: |  Accident investigation report completed and information captured |
The experimental aircraft was climbing to 4 km altitude with a pilot and 10 skydivers on board when it reportedly experienced technical difficulties, entered a spin, crashing in a wooded area, catching fire. The pilot and two skydivers were able to escape using their parachutes from the pilot door. The plane was found at 15:40 LT some 2 km from Jämijärvi airfield. The local police confirm 8 persons died in the crash. The victims were found inside the wreck and in the vicinity.
The cause of the accident was that the stress resistance of the right wing’s wing strut was exceeded as a result of the force which was generated by a negative g-force. The force which resulted in the buckling of the wing strut was the direct result of a negative (nose-down) change in pitching moment, in conjunction with an engine power reduction intended to decrease the high airspeed.
Accident investigation:
 |
|
Sources:
http://www.iltalehti.fi/uutiset/201404200163249_uu.shtml
http://www.hs.fi/kotimaa/Poliisi+J%C3%A4mij%C3%A4rven+turmakoneesta+l%C3%B6ytynyt+seitsem%C3%A4n+kuollutta+/a1397960543027
http://yle.fi/uutiset/poliisi_vahvistaa_kahdeksan_kuollutta_jamijarvella/7198916
https://www.mtv.fi/uutiset/kotimaa/artikkeli/vain-mtv-lla--kuvasarja-jamijarven-turmakoneen-syoksysta/3173422
http://www.iltalehti.fi/uutiset/2014042118230055_uu.shtml
http://www.turvallisuustutkinta.fi/fi/index/ajankohtaista/tiedotteet/2014/09/jamijarvenonnettomuuskoneensiipitukiolimurtunut.html
http://www.turvallisuustutkinta.fi/material/attachments/otkes/tutkintaselostukset/fi/ilmailuonnettomuuksientutkinta/2014/5etkMcJmr/L2014-02_tutkintaselostus.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Apr-2014 16:09 | bubu | Added |
| 20-Apr-2014 16:34 | TB | Updated [Aircraft type, Registration, Cn, Other fatalities] |
| 20-Apr-2014 17:14 | Dmitriy | Updated [Aircraft type] |
| 20-Apr-2014 17:20 | TB | Updated [Registration, Cn, Other fatalities] |
| 20-Apr-2014 17:27 | Propjock | Updated [Total fatalities, Phase, Source, Narrative] |
| 20-Apr-2014 17:31 | slowkid | Updated [Time, Operator, Total fatalities, Source, Narrative] |
| 20-Apr-2014 18:14 | slowkid | Updated [Total fatalities, Location, Source, Narrative] |
| 20-Apr-2014 20:26 | Vlinder | Updated [Aircraft type, Operator] |
| 20-Apr-2014 20:31 | jli | Updated [Source, Narrative] |
| 21-Apr-2014 09:13 | Anon. | Updated [Time, Operator, Location] |
| 21-Apr-2014 12:23 | Penu | Updated [Time] |
| 21-Apr-2014 17:19 | Penu | Updated [Source, Narrative] |
| 24-Sep-2014 08:25 | Anon. | Updated [Source] |
| 07-Oct-2014 18:30 | harro | Updated [Source, Narrative] |
| 22-Apr-2015 12:31 | Penu | Updated [Time, Source, Narrative] |
| 31-Oct-2018 10:50 | harro | Updated [Source, Accident report, ] |
Corrections or additions? ... Edit this accident description
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