Scorpion RA-2501G 25.07.2016

The accident involving Scorpion RA-2501G single-built private helicopter occurred near Podvolochoye village, Ust-Uda Region (RF) on July 25, 2016. According to the available information, the pilot and a passenger on board were injured, the rotorcraft was damaged.
The Interstate Aviation Committee has formed the Investigation team of the accident in accordance with the Russian Aviation Legislation. The Investigation team started its work.

IThe Interstate Aviation Committee Investigation team has completed the investigation of the accident involving Scorpion RA-2501G single-built private helicopter occurred in the Irkutsk Region (RF) July 25, 2016.

Most probably, the accident involving Scorpion RA-2501G single-built helicopter was caused by loss of ground references' monitoring by PIC when the rotorcraft was entering into dust whirl in course of landing on the landing site selected fr om air, that resulted in the helicopter uncontrolled lateral drift and collision with obstacle.

Most probably, the following factors contributed to the accident:

-        deficiencies in PIC's training to perform flights to dusty landing sites;

-        lack of the recommendations on landing performance on dusty landing sites in AFM of Scorpion single-built helicopter;

-        non-compliance with FAR-128 provisions on procedure of landing on the landing sites wh ere formation of dust whirl is anticipated.

Appropriate safety recommendations based on the investigation results were developed.