ASN Wikibase Occurrence # 270389
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| Date: | Friday 10 December 2021 |
| Time: | 10:33 LT |
| Type: |  IAR 316B (SA 316B Alouette III) |
| Owner/operator: | Private |
| Registration: | RA-1881G |
| MSN: | 002 |
| Year of manufacture: | 1975 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 10 km from Snezhnaya River, Slyudyansky district, Irkutsk region -
 Russia
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Smolensk village |
| Vydrino village | |
| Investigating agency: | MAK |
| Confidence Rating: |  Accident investigation report completed and information captured |
Crashed under unknown circumstances.
Most likely, the cause of the accident with the IAR-316B RA-1881G helicopter was the loss of controllability of the helicopter due to the destruction of the tail rotor when landing on the top of a mountain (1585 m above sea level) on a limited-sized area covered with loose snow, picked up from the air, which led to the helicopter slipping off the platform, uncontrolled movement down the mountain slope and the destruction of aircraft structural elements. Due to the lack of objective data, it was not possible to determine the dynamics of the helicopter's movement at the final stage of the flight and the cause of the destruction of the tail rotor. There were no signs of tail rotor failure.
Contributing factors could be:
- decision of the PIC to perform a landing on the site, the state of which is unknown, without a proper risk assessment and his actual qualification;
- insufficient skills of the PIC in landing on mountainous and snow-covered sites on this type of helicopter.
Due to the lack of objective data on the actual weather conditions, it is not possible to assess their impact on the outcome of the flight. The predicted meteorological conditions in the area in which the accident occurred could have influenced the outcome of the flight, while the PIC had no data on the forecasted meteorological conditions.
Accident investigation:
 |
|
Sources:
https://mak-iac.org/rassledovaniya/iar-316b-ra-1881g-10-12-2021/
https://zapsib-sut.sledcom.ru/news/item/1637910/
https://www.irk.ru/news/20211210/incident/
https://t.me/aviaincident/12171
History of this aircraft
Other occurrences involving this aircraft
| 21 July 2013 | RA-1881G | Feniks | 0 | Solohaul, near Sochi, Krasnodar Krai | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Dec-2021 11:07 | harro | Added |
| 10-Dec-2021 11:09 | harro | Updated [Time, Departure airport, Destination airport, Source] |
| 11-Dec-2021 16:49 | Hirurg | Updated [Source] |
| 11-Nov-2022 15:09 | Hans Gruber | Updated [Nature, Source] |
| 11-Nov-2022 15:10 | harro | Updated [[Nature, Source]] |
Corrections or additions? ... Edit this accident description
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