ASN Wikibase Occurrence # 177358
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| Date: | Saturday 27 June 2015 |
| Time: | 08:53 UTC |
| Type: |  Robinson R44 II |
| Owner/operator: | Aerosouz in leasing LLC Makarak |
| Registration: | RA-05765 |
| MSN: | 13596 |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Tisulsky District, Kemerovo Region -
 Russia
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Uts Tisul' |
| XNKM | |
| Investigating agency: | MAK |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to eyewitnesses, the helicopter was flying over the river Kiya, when it hit a wire strung across the river. It then landed on a sandbank. After 10 minutes, the helicopter took off again, lurched sideways and fell to a low altitude.
Fatal accident with Robinson R-44 II RA-05765 helicopter occurred during the flight above river surface most probably due to partial or full directional control failure that resulted in aircraft collision with steep river bank.
Helicopter control failure most probably was caused by impact of steel ropes on anti-torque rotor blades pitch actuator which reeling in occurred during the rotorcraft collision with ropes of GR-64 hydrometric unit in previous flight.
Following factors contributed to the accident
- lack of helicopter inspection after rotorcraft collision with ropes of GR-64 hydrometric unit and landing;
- flight operation at nap-of-the-earth;
- ignorance of simulated obstacles in flight area by PIC;
- lack of PIC' s visuospatial attention performing flight at nap-of-the -earth;
- lack of marking at GR-64 hydrometric unit.
Accident investigation:
 |
|
Sources:
http://zapsib-sut.sledcom.ru/news/item/941237/
http://www.zsproc.ru/news/3878.html
https://mak-iac.org/russian/investigations/2015/r-44_ra-05765.html
https://www.newsru.com/russia/27jun2015/kuzbassheli.html
https://mak-iac.org/upload/iblock/92b/report_ra-05765.pdf
Images:
Photo: MAK
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Jun-2015 19:36 | harro | Added |
| 28-Jun-2015 07:04 | Hans Gruber | Updated [Time, Registration, Operator, Nature, Departure airport, Destination airport, Source] |
| 30-Jun-2015 10:40 | Anon. | Updated [Source] |
| 20-Mar-2017 15:20 | Anon. | Updated [Aircraft type, Cn] |
| 09-Aug-2020 15:56 | KagurazakaHanayo | Updated [Source, Narrative] |
| 09-Aug-2020 15:57 | harro | Updated [Photo, Accident report, ] |
Corrections or additions? ... Edit this accident description
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