Accident PZL-Swidnik Mi-2 RA-14397, 06 Jul 2020
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ASN Wikibase Occurrence # 237688
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Type:Silhouette image of generic MI2 model; specific model in this crash may look slightly different    
PZL-Swidnik Mi-2
Registration: RA-14397
MSN: 545531028
Fatalities:Fatalities: 1 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:Kirsalovo, Salsky district (Rostov Region) -   Russia
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Departure airport:
Destination airport:
Investigating agency: MAK
Confidence Rating: Accident investigation report completed and information captured
Crashed during agricultural work over rice fields. The helicopter crashed into the water. One occupant died in the crash, another was injured.

The accident with the Mi-2 RA-14397 helicopter occurred as a result of landing with an increased vertical speed during a forced landing, the need for which was due to the shutdown of the engine (s) by the free turbine protection system for a short time at a low altitude (about 30 m) and speed (about 70 km/h). It was not possible to accurately determine the moments when the engines were turned off and the shutdown sequence due to the lack of objective control equipment on the helicopter.
The activation of the free turbine protection system and the shutdown of the engine (s) was most likely due to inoperability (slippage) of the freewheel clutches. The inoperability of the left and right freewheel clutches was the result of an unacceptable degree of wear of their elements and long-term operation of the main gearbox without the necessary overhaul.

The contributing factors were most likely:
- shortcomings in the technical operation of the aircraft: maintenance and troubleshooting were performed by a person who did not have the required qualifications;
- absence in the immediate vicinity of a site suitable for a forced landing at the actual values ​​of altitude and flight speed.

The helicopter flew without a certificate of airworthiness. Passing the certification procedure upon receipt of the certificate would most likely reveal shortcomings in the technical operation of the aircraft, which led to the shutdown of the engines in flight.


Accident investigation:
Investigating agency: MAK
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Revision history:

06-Jul-2020 08:44 HeliHub Added
06-Jul-2020 08:46 harro Updated [Aircraft type, Narrative]
06-Jul-2020 14:36 gerard57 Updated [Operator, Other fatalities, Source, Narrative]
07-Jul-2020 15:16 Captain Adam Updated [Registration, Operator, Source]
07-Jul-2020 17:26 RobertMB Updated [Aircraft type, Cn]
03-Mar-2021 21:31 rudy Updated [[Aircraft type, Cn]]
19-Dec-2021 10:37 harro Updated [Time, Operator, Total fatalities, Narrative, Category, Accident report]
27-Jun-2022 18:14 Hirurg Updated [Total fatalities]

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