What happened
While performing a takeoff roll at Ust-Kuyga Airport, the aircraft experienced a sudden loss of control. During this maneuver, the plane veered toward the right side of the runway and eventually came to a stop off the paved surface.
Despite the severity of the excursion, there were no casualties among the occupants. All 27 people on board managed to evacuate the aircraft without sustaining any injuries. However, the impact and the nature of the excursion resulted in the aircraft being damaged beyond repair.
Findings
No specific technical or environmental causes were detailed regarding why the aircraft became uncontrollable during the initial phase of flight.