|Aircraft registration number||RA-24255|
|Accident site||в аэропорту г. Геленджик Краснодарского края|
|The date of the completion of the investigation (report)|
|Number of fatalities||2|
|Degree of aircraft destruction|
The accident with Mi-8 RA-24255 helicopter owned by PANH airlines (Krasondar) of the South Interregional Territorial Administration of Air Transport of FATA occurred in Gelendzhik airport of the Krasnodar Territory on September 4, 2014. According to the available information 3 crew members were on board, two persons were killed. The rotorcraft was destroyed and partly burnt down.
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.
The Investigation team of the Interstate Aviation Committee has completed the investigation of the accident with Mi-8 RA-24255 helicopter owned by NPK "PANH" JSC which occurred in the Krasnodar Territory on September 4, 2014.
The accident was caused by the rotorcraft penetration in vortex ring state during helicopter-type landing without ground effect. The crew didn't try to recover by the method specified in FOM of Mi-8T helicopter.
Penetration in vortex ring state was due to PIC's failure during final maneuver (rearward flight at 40 km/h) which is not described in the helicopter FOM and wasn't trained by the crew.
The appropriate safety recommendations based on the investigation results were developed.