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ASN Wikibase Occurrence # 144801
Last updated: 15 October 2021
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Time:16:50 LT
Type:Jodel DR.250/160 Capitaine
Owner/operator:Aéro-club Dassault Ile de France
Registration: F-BNJX
MSN: 63
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Near Feigns -   France
Phase: En route
Departure airport:LFPX
Destination airport:LFAX
Investigating agency: BEA
The engine of a Jodel DR.250/160 Capitaine lost power near Feigns. The pilot made a forced landing. The airplane caught fire and burned out. Both occupants were unhurt.

The accident was caused by engine vibrations. The vibrations observed are the result of a tightening defect of the propeller which caused the rupture of five of the six fixing screws. The investigation was unable to determine the causes.
In general, the contributing factors to a failure to tighten may be :
- the addition of a parting line, for example due to the use of a shim in the assembly ;
- the decrease of the average humidity level in the outside air which can cause the wood of the propeller to contract, as well as the shim if the assembly contains one;
- incomplete or inadequate consideration of the recommendations for tightening the propeller fastening screws.
The area, made up of bocages, was not very favourable to the landing out of aerodrome.
The vibrations were important and their origin imprecise. In this situation, the idea of a structural origin could raise the stress level of the occupants and push the pilot to want to land as quickly as possible. This could degrade the level of technicality required for the good execution of the framing maneuver, for which he had not been trained on this type of aircraft, except during this same flight.

Sources: (photo)

Accident investigation:
Investigating agency: BEA
Status: Investigation completed
Duration: 10 months
Download report: Final report

Revision history:

04-Apr-2012 12:06 harro Added
04-Apr-2012 13:15 RobertMB Updated [Time, Location, Departure airport, Destination airport, Source, Narrative]
24-Oct-2020 19:49 harro Updated [Narrative, Accident report]

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