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ASN Wikibase Occurrence # 187734
Last updated: 22 January 2022
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Type:Aviastroitel AC-4D Russia
Registration: RA-0423А
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Grīva -   Latvia
Phase: Take off
Departure airport:Grivas aerodrome
Destination airport:Grivas aerodrome
Investigating agency: TAIIB Latvia
According to the recieved information the accident with Aviastroitel AC-4 Russia RA-0423A private glider occurred in Grivas aerodrome (Latvia) on May 4, 2016. The pilot on board was killed, the aircraft was destroyed.

Direct cause of the accident:
Glider pilot error during flight.
Cause of the accident:
Disconnecting the winch rope before reaching the required horizontal flight speed without observing the requirements of the flight manual.
Contributing Cause Of The Accident:
- Insufficient pilot operational training.
- Pilot's lack of knowledge of glider flight conditions.
The main cause of the accident:
Flight without license, experience and supervision.


Accident investigation:
Investigating agency: TAIIB Latvia
Status: Investigation completed
Duration: 6 months
Download report: Final report

Revision history:

30-May-2016 19:07 Hans Gruber Added
22-Aug-2016 16:03 Alpine Flight Updated [Aircraft type, Registration, Location, Narrative]
07-Dec-2016 09:07 Anon. Updated [Registration, Location, Phase, Departure airport, Destination airport, Source, Narrative]
23-Oct-2019 09:34 harro Updated [Registration, Narrative, Accident report, ]
23-Oct-2019 09:39 harro Updated [Registration, Departure airport, Narrative]
23-Oct-2019 09:39 harro Updated [Registration, Destination airport]

Corrections or additions? ... Edit this accident description