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ASN Wikibase Occurrence # 214842
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Time:19:06 LT
Type:Silhouette image of generic RV7 model; specific model in this crash may look slightly different    
Van's RV-7
Registration: D-EIOI
MSN: 71565 ?
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Aiguille de Beaupré, Bourg-Saint-Maurice, Savoie -   France
Phase: En route
Departure airport:Freiburg Im Breisgau Airfield (EDTF)
Destination airport:Cuers-Pierrefeu Airport (LFTF)
Investigating agency: BEA
Confidence Rating: Accident investigation report completed and information captured
The pilot took off for a VFR flight from Freiburg aerodrome (Germany). The pilot initially headed towards the Feldberg where he had arranged to meet, in flight, a friend piloting a Van’s Aircraft RV-7A registered D-EKPM. The plan was to fly to Cuers-Pierrefeu aerodrome (France), on a transborder flight plan. From 18:12, the D-EIOI pilot had difficulties with maintaining visual contact with D-EKPM due to the meteorological conditions encountered. At 18:29, he lost sight of D-EKPM and disconnected the autopilot before tracking south and starting to climb. At 18:33, the EFIS data indicates the first icing phenomenon affecting the carburettor characterized by a decrease in the manifold pressure of the engine. From 18:39, the D-EIOI pilot continued climbing and started manoeuvring above 10,000 ft. A minute later, the EFIS data again shows an icing phenomenon affecting the carburettor managed by the pilot. At 18:49, he flew 360° to continue climbing and manoeuvred above 12,500 ft. At 18:56, the D-EIOI pilot said that he was “in clouds” and then “out of clouds” and that he was heading towards Megève altiport. Five minutes later, the aeroplane was abeam Mont Blanc at an altitude of 14,435 ft. At around 19:05, the manifold pressure of the engine decreased a third time again because of an icing phenomenon affecting the carburettor. The pilot lost control of the aeroplane which descended 4,600 ft in 35 s. During this phase, the aeroplane was probably on its back with a nose-down attitude which reached 80 degrees. The path then stabilized and the aeroplane was momentarily flat with full power just before colliding with the terrain.

The following factors may have contributed to the accident: an inadequate analysis when preparing the flight, of available weather forecasts consistent with those observed and estimated during the accident flight and of the possible diversions according to the meteorological conditions encountered in flight, and continuing the flight by tracking towards the highest massifs of the Alps in adverse/incompatible weather conditions for a flight under VFR.


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


Revision history:

30-Aug-2018 11:16 gerard57 Added
30-Aug-2018 14:09 yfpilote Updated [Source]
30-Aug-2018 15:50 Iceman 29 Updated [Time, Aircraft type, Location, Departure airport, Destination airport, Source, Narrative, Photo]
30-Aug-2018 18:17 blackbox Updated [Aircraft type, Registration, Source]
30-Aug-2018 18:48 A.J. Scholten Updated [Cn]
30-Aug-2018 19:13 Iceman 29 Updated [Location, Source, Narrative, Photo]
31-Aug-2018 08:22 Karlo Updated [Aircraft type]
31-Aug-2018 09:01 Iceman 29 Updated [Aircraft type, Source, Narrative]
31-Aug-2018 09:02 Iceman 29 Updated [Narrative]
31-Aug-2018 09:30 Iceman 29 Updated [Source]
31-Aug-2018 14:29 traveller Updated [Aircraft type, Destination airport, Source, Narrative]
31-Aug-2018 14:41 harro Updated [Aircraft type]
06-Sep-2018 08:39 harro Updated [Aircraft type, Cn, Narrative]
20-Jul-2019 06:43 harro Updated [Time, Departure airport, Destination airport, Narrative, Accident report, ]

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