ASN Wikibase Occurrence # 146614
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| Date: | Wednesday 4 July 2012 |
| Time: | 16:11 LT |
| Type: |  EurocopterAS 350B3 Ecureuil |
| Owner/operator: | UTAir Aviation |
| Registration: | RA-04097 |
| MSN: | 3957 |
| Year of manufacture: | 2005 |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 4 km from Lensk -
 Russia
|
| Phase: | En route |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Lensk |
| Talakan | |
| Investigating agency: | MAK |
| Confidence Rating: |  Accident investigation report completed and information captured |
Crashed in unknown circumstances after a refuelling stop at Lensk en rote to an oil drilling site. Post crash fire.
Pilot, mechanic, two pax.
3. Conclusion (translated from Russian)
The cause of the aircraft accident with the AS-350B3 RA-04097 helicopter was the failure to maintain a minimum safe altitude when flying along the route, resulting in the collision of the helicopter with trees.
The contributing factors were:
- flying at an extremely low altitude above hilly terrain towards the sun;
- Inadequate professional training of the CMC;
- Insufficient control by the flight team leadership over the SLC training.
Accident investigation:
 |
|
Sources:
https://www.newsru.com/russia/04jul2012/as350.html
mak.ru
https://www.utair.ru/news/5086747.html
http://en.ria.ru/russia/20120704/174401579.html
https://mak-iac.org/upload/iblock/94d/report_ra-04097.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Jul-2012 10:34 | harro | Added |
| 06-Jul-2012 08:19 | Dmitriy | Updated [Registration, Cn, Source] |
| 31-Aug-2014 17:48 | Aerossurance | Updated [Time, Nature, Source, Narrative] |
| 26-Sep-2016 20:37 | Aerossurance | Updated [Aircraft type] |
| 22-Jun-2020 14:43 | KagurazakaHanayo | Updated [Source, Narrative] |
| 22-Jun-2020 14:44 | harro | Updated [Nature, Accident report, ] |
Corrections or additions? ... Edit this accident description
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