Incident Diamond DA40 Diamond Star F-HDAZ, 17 Sep 2009
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ASN Wikibase Occurrence # 294813
 
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Date:17-SEP-2009
Time:
Type:Silhouette image of generic DA40 model; specific model in this crash may look slightly different    
Diamond DA40 Diamond Star
Owner/operator:SARL Rent a Plane
Registration: F-HDAZ
MSN: D4.333
Fatalities:Fatalities: 0 / Occupants:
Aircraft damage: None
Category:Incident
Location:Le Luc-Le Cannet Airport, Var 83 -   France
Phase: En route
Nature:Training
Departure airport:Avignon-Caumont Airport (AVN/LFMV)
Destination airport:Cannes-Mandelieu Airport (CEQ/LFMD)
Investigating agency: BEA
Confidence Rating: Information verified through data from accident investigation authorities
Narrative:
The instructor explained that as soon as he took off, he noticed variations in the engine power. These were small and of short duration. They appeared throughout the climb until flight level 90, where he displayed 70% of the power. The pilot sets the "ECU swap" switch to the "ECU B" position for a few minutes. The power variations did not disappear. He returned the switch to the "AUTO" position. Shortly afterwards, he observed a decrease in power of up to 45%. The power returned to nearly 100% when he returned the power control to "full power". He displayed the transponder code 7700 and decided to divert to the aerodrome of Le Luc, where he landed without further problems. On the ground, the propeller regulation valve was changed. The problem did not reappear.

 Conclusion: The incident (emergency landing) was due to the failure of the propeller control valve.
  

Sources:

https://bea.aero/en/investigation-reports/notified-events/detail/variations-de-puissance-en-croisiere-deroutement-en-instruction/

Location


Revision history:

Date/timeContributorUpdates
12-Oct-2022 09:23 harro Added
04-Jan-2023 01:47 Ron Averes Updated [Location]

Corrections or additions? ... Edit this accident description

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