Incident Diamond DA42 Twin Star F-HCAN, Tuesday 1 June 2010
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Date:Tuesday 1 June 2010
Type:Silhouette image of generic DA42 model; specific model in this crash may look slightly different    
Diamond DA42 Twin Star
Owner/operator:Diamant Air II
Registration: F-HCAN
MSN: 42.035
Year of manufacture:2005
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: None
Location:Nantes Atlantique Airport -   France
Phase: En route
Departure airport:Cannes-Mandelieu Airport (CEQ/LFMD)
Destination airport:Vannes-Meucon Airport (VNE/LFRV)
Investigating agency: BEA
Confidence Rating: Information verified through data from accident investigation authorities
While cruising, in the cloud layer, the pilot noticed a fire alarm on the left engine. He stopped the engine and landed at Nantes Airport without any other problem.
On the ground, a maintenance technician diagnosed a false alarm. Diamond's Recommended Service Bulletin No. 42-072/2 was issued because of false alarms generated by the fire sensor during flights in heavy rain. It recommended that an improved coating be applied to the insulation washers between the sensor contacts to increase their water resistance, or that they be replaced with a waterproof model. It could not be determined during the investigation if SB was applied.

Conclusion: The incident was caused by an inadvertent activation of a fire alarm on the engine.


Revision history:

12-Oct-2022 08:15 harro Added

Corrections or additions? ... Edit this accident description

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