On November 7, 2017, an Antonov An-2, registration RA-02305, was operating a flight from Ekimchan airfield to Udskoye airfield and back. The flight was being conducted by NP "Dal Trans Aero" to evaluate a candidate pilot's skills and to deliver cargo. The crew consisted of a captain and a pilot-instructor.
Prior to departure, the aircraft underwent maintenance, refueling, and cargo loading at Ekimchan airfield. The captain performed a pre-flight inspection and engine tests, reporting no issues with the aircraft systems or the engine. The crew received takeoff clearance and departed at 08:25.
During the climb phase, the aircraft experienced an engine failure. The failure of the ASh62-IR engine led to an emergency landing situation. The aircraft, RA-02305, crashed during the attempt to land, resulting in one fatality.