Accident Cirrus SR22 N842CD,
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ASN Wikibase Occurrence # 219687
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Date:Tuesday 18 December 2018
Time:12:55 LT
Type:Silhouette image of generic SR22 model; specific model in this crash may look slightly different    
Cirrus SR22
Registration: N842CD
MSN: 0162
Year of manufacture:2002
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Location:Between Néron and Nogent-le-Roi - Eure et Loir -   France
Phase: En route
Departure airport:Toussus-le-Noble Airport (TNF/LFPN)
Destination airport:Toussus-le-Noble Airport (TNF/LFPN)
Investigating agency: BEA
Confidence Rating: Information verified through data from accident investigation authorities
During the flight, the engine oil gradually leaked out, probably due to a poor positioning of the oil cap during the pre-flight check, resulting in a gradual decrease in oil pressure without a significant increase in temperature at first.
The pilot detected the drop in oil pressure approximately twenty minutes after the start of the decrease. He then began a diversion to the nearest field and considered it to be a false indication due to the stability of the oil temperature and resumed navigation to the intended destination. Shortly thereafter, he observed an increase in oil temperature and began a diversion again.
The engine stopped in flight and the pilot decided to deploy the emergency parachute (CAPS event #98). The aircraft flipped over and came to rest inverted. Two occupants were on board, they were slightly injured.

Contributing factors:
In the flight manual for the Cirrus SR22 equipped with Avydine avionics, the emergency procedure to be followed in the event of low oil pressure is subject to interpretation.
It may lead to misdiagnosis and delay a diversion. The flight manual indicates that it is possible that the oil pressure sensor, dipstick, or oil pressure relief valve may be defective if the low oil pressure is associated with normal oil temperature.
During the occurrence flight, the oil temperature increased only two minutes before the engine was shut down and remained in the green range until the end of the flight.

Accident investigation:
Investigating agency: BEA
Report number: 
Status: Investigation completed
Duration: 2 years
Download report: Final report





Photo: BEA


Revision history:

18-Dec-2018 15:54 Iceman 29 Added
18-Dec-2018 19:30 Iceman 29 Updated [Time, Total fatalities, Total occupants, Other fatalities, Location, Source, Embed code, Narrative]
18-Dec-2018 19:56 Iceman 29 Updated [Location, Photo]
19-Dec-2018 20:32 Iceman 29 Updated [Phase, Source, Embed code, Damage, Narrative]
26-Dec-2018 23:46 RobertMB Updated [Registration, Cn, Source, Embed code, Narrative]
30-Dec-2020 09:30 harro Updated [Time, Operator, Nature, Departure airport, Destination airport, Narrative, Accident report, Photo]
30-Dec-2020 09:32 harro Updated [Narrative]
30-Dec-2020 09:34 harro Updated [Category]

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