ASN Wikibase Occurrence # 190602
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| Date: | Monday 10 October 2016 |
| Time: | 14:08 LT |
| Type: |  Mil Mi-8T |
| Owner/operator: | Delta-K |
| Registration: | RA-22771 |
| MSN: | 98311615 |
| Year of manufacture: | 1983 |
| Fatalities: | Fatalities: 0 / Occupants: 15 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Zeysky District, Amur Oblast -
 Russia
|
| Phase: | Landing |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | |
| Investigating agency: | MAK |
| Confidence Rating: |  Accident investigation report completed and information captured |
A Mil Mi-8T rolled over in an accident in the Zeysky District, Amur Oblast, Russia.
Conclusion
The cause of the accident with the Mi-8T helicopter RA-22771 was a drop in rotor speed to 88% due to a sharp increase in the total rotor pitch, which resulted in the aircraft sinking and, as a result, a rough landing ahead of the right main landing gear strut and subsequent rollover to starboard.
The accident was most probably caused by the crew's lack of information about wind direction and speed during approach and landing.
Accident investigation:
 |
|
Sources:
https://mak-iac.org/rassledovaniya/mi-8-ra-22771-10-10-2016
http://vssut.sledcom.ru/news/item/1072154/
http://classic.newsru.com/russia/11oct2016/crash.html
Final Report: https://mak-iac.org/upload/iblock/4d9/report_ra-22771.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Oct-2016 10:14 | Hans Gruber | Added |
| 11-Oct-2016 12:19 | harro | Updated [Registration, Cn, Operator, Narrative] |
| 23-Oct-2016 12:44 | Hans Gruber | Updated [Time, Total occupants, Source] |
| 29-Jun-2022 12:52 | Hirurg | Updated [Time, Total occupants, Phase, Nature, Source] |
| 29-Jun-2022 12:53 | harro | Updated [Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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