| Accident date | 09.04.2016 |
| Investigation status | |
| Aircraft registration number | RA-1981G |
| Place of aircraft departure | |
| Airport of departure | |
| Intended destination | |
| Intended Airport of arrival | |
| Accident site | in the area of Sidorenki locality of Serpukhovdky district of the Moscow region |
| Latitude | N 55°04'18'' |
| Longitude | E 037°08'41'' |
| Aircraft type | Robinson R66 |
| Serial № | |
| Aircraft operator | Private person |
| Aircraft owner | Private person |
| The date of the completion of the investigation (report) | 11.01.2018 |
| Number of fatalities | 0 |
| Victims accuracy | |
| Degree of aircraft destruction | aircraft damaged |
| Report | report_ra-1981g.pdf (2.14 MB) |
| Aviation type | GA |
| Works type | |
| Note |
The non-fatal accident involving Robinson R-66 RA-1981G private helicopter occurred near Sidorenki village, Serpukhovsky District, Moscow Region (RF) on April 9, 2016.
The Interstate Aviation Committee has formed the Investigation team of the accident in accordance with the Russian Aviation Legislation. The Investigation team has started its work.
The Interstate Aviation Committee Investigation team has completed the investigation of the accident involving R-66 RA-1981G private helicopter occurred in the Moscow Region (RF) on April 9, 2016.
Most probably, the accident involving R-66 RA-1981G helicopter was caused by the PIC’s disproportionate control inputs while transitioning the rotorcraft into descent that resulted in a crucial main rotor RPM loss, the vertical speed of descent increase up to ≈ 11 m/s and the ground impact.
Appropriate safety recommendations based on the investigation results were developed.