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ASN Wikibase Occurrence # 147919
Last updated: 21 September 2019
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Date:24-AUG-2012
Time:18:00
Type:Silhouette image of generic PC12 model; specific model in this crash may look slightly different
Pilatus PC-12/47
Owner/operator:Air-Sarina
Registration: HB-FPZ
C/n / msn: 702
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Solemont (Doubs) -   France
Phase: En route
Nature:Private
Departure airport:EBAW
Destination airport:LSGK
Investigating agency: BEA
Narrative:
The pilot took off from Antwerpen (Belgium) at around 14:40 UTC bound for Saanen (Switzerland) where he was supposed to drop off his three passengers. The flight was performed in IFR then VFR, at a cruise altitude of 26,000 ft.
After about 1 h 15 min of flight, still under IFR, the Geneva controller cleared the pilot to descend towards FL 210 and to fly towards Saanen with a view to an approach. A short time later, the radar data showed that the aeroplane deviated from the planned trajectory. Following a question from the controller, the pilot said he had an autopilot problem. The controller then asked the pilot to follow heading 165°, which the pilot read back, then asked him ‘‘are you okay, okay for the safety,
it’s good for you? ‘‘. The pilot answered that he had a ‘‘big problem’’. The radar data show tight turns on descent. During these manœuvres, in reply to a request from the controller, the pilot said that he was in ‘‘total IMC’’. During this communication, the aeroplane‘s overspeed warning could be heard. The aeroplane was then descending at 15,500 ft/min. About ten seconds later, it was climbing at 15,500 ft/min. The right wing broke off about twenty seconds later. The indicated airspeed was then 274 kt and the altitude was 12,750 ft.
The wreckage was found in woods in the commune of Solemont (25). A piece of the right wing was found about 2.5 km from the main wreckage. Some debris, all from the right wing, was found on a south-west/north-east axis. The aeroplane part that
was furthest away was found 10 km from the main site.

Causes
The in-flight failure of the right wing was due to exceeding the aeroplane’s structural limits (ultimate loads) during loss of control by the pilot. In the absence of any flight recorders, the investigation was not able to determine the causes of this loss of control. It is possible that it may have been induced by a loss of situational awareness by the pilot at the controls of an aeroplane affected by an icing phenomenon. This phenomenon may have affected the aeroplane’s wings or an area around the roll control.

Sources:

Le Figaro.
http://www.20min.ch/ro/news/monde/story/Quatre-Suisses-tues-dans-un-crash-20889499
http://deredactie.be/cm/vrtnieuws/buitenland/120825_crash_sportvliegtuig

https://www.bernerzeitung.ch/region/thun/Flugzeugabsturz-Vier-Berner-Oberlaender-kommen-ums-Leben/story/31465226
https://bazonline.ch/panorama/vermischtes/Vier-Schweizer-sterben-auf-dem-Rueckflug-nach-Saanen/story/25016056
https://www.bea.aero/enquetes/solemont/solemont.php

Accident investigation:
cover
  
Investigating agency: BEA
Status: Investigation completed
Duration: 3 years and 4 months
Download report: Final report


Images:


Photo: Remo Garone, 0 June 2012 at Geneva GVA/LSGG

Revision history:

Date/timeContributorUpdates
24-Aug-2012 13:03 LE JUSTICIER LE RETO Added
25-Aug-2012 00:25 Dmitriy Updated [Aircraft type, Total fatalities, Total occupants, Phase, Source, Narrative]
25-Aug-2012 10:44 depeje Updated [Departure airport, Source, Narrative]
25-Aug-2012 13:37 bcarg Updated [Registration, Cn]
25-Aug-2012 13:38 harro Updated [Aircraft type, Operator]
26-Aug-2012 00:28 Lancair Updated [Operator, Destination airport]
26-Aug-2012 01:23 copi Updated [Registration, Cn]
26-Aug-2012 07:50 Kaminkatze Updated [Source]
29-Aug-2012 00:38 Anon. Updated [Aircraft type]
29-Aug-2012 02:40 Anon. Updated [[Aircraft type]]
04-Nov-2012 06:41 mavrakis Updated [Source]
26-Jul-2019 17:52 harro Updated [Narrative, Accident report, ]

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