|Aircraft registration number
|Place of aircraft departure
|bank of Temnik river
|Airport of departure
|bank of Snazhnaya river
|Intended Airport of arrival
|Russia, 50 km to the South railway station of the city of Baikalsk, Slyudyanka district of Irkutsk region
|The date of the completion of the investigation (report)
|Number of fatalities
|Degree of aircraft destruction
|aircraft substantially damaged
report_ra-05773.pdf (1.77 MB)
Non-fatal accident with R-66 RA-05773 helicopter owned by "Baikal-Trek" LLC occurred at the bank of Snazhnaya river, Republic of Buryatia (in 49 km from Baykalsk town, Slyudansky District, Irkutsk Region, RF) on July 7, 2015. According to the available information the pilot and 2 passengers were on board, the aircraft sustained substantial damage.
The Interstate Aviation Committee has assigned the Investigation team of this accident in accordance of the Russian Aviation Legislation. The Investigation team has started its work.
The Interstate Aviation Committee Investigation team has completed the investigation of the accident with Robinson R-66 RA-05773 helicopter owned by "Baikal Track" Ltd occurred in the Irkutsk region on July 7, 2015.
The accident with Robinson R-66 RA-05773 helicopter was caused during landing at site selected while in flight most probably due to PIC errors in helicopter control.
Most probably the following factors contributed to the accident:
- non-inspection of the site selected while in flight by PIC;
- disproportional helicopter control actions by PIC resulted in rotor speed decay below permissible limits;
- abrupt deceleration and pitch-down angle resulted in vertical speed increase and helicopter hard touchdown.
The appropriate safety recommendations based on the investigation results were presented.