R-44 RA-05765 27.06.2015

Accident date	27.06.2015
Investigation status
Aircraft registration number	RA-05765
Place of aircraft departure	н.п. Макаракский
Airport of departure
Intended destination	ПП в районе аэропорта "Кемерово-Северный"
Intended Airport of arrival
Accident site	Россия, н.п. Макаракский, Тисульский р-н, Кемеровская область. 140км северо-восточнее г.Кемерово
Latitude	55°35'32,2'' NL
Longitude	88°03'22,2'' EL
Aircraft type	Robinson R44
Serial №	13596
Aircraft operator
Aircraft owner	ООО «Объединенная Финансово-лизинговая компания»
The date of the completion of the investigation (report)	29.03.2016
Number of fatalities	3
Victims accuracy
Degree of aircraft destruction	aircraft substantially damaged
Report	report_ra-05765.pdf (2.76 MB)
Aviation type	GA
Works type
Note

29 june 2015

     The fatal accident with R-44 RA-05765 private helicopter occurred in Makarsky locality, Tisulsky district, Kemerovo Region (RF) on June 27, 2015. According to the available information the PIC and 2 passengers on board were killed, the rotorcraft was destroyed.

     The Interstate Aviation Committee has assigned the Investigation team of this fatal accident in accordance with the Russian Aviation Legislation. The Investigation team has started its work.

31 march 2016

The Investigation team of the Interstate Aviation Committee has completed the investigation of the accident with Robinson R-44 II RA-05765 helicopter owned by "Joint financial leasing company" LLC (lessee "SK "Tech Progress" LLC) occurred in the Keverovo Region (RF) on June 27, 2015.

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.

The appropriate safety recommendations based on the investigation results were developed.