ASN Wikibase Occurrence # 193584
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| Date: | Tuesday 14 February 2017 |
| Time: | 11:00 LT |
| Type: |  Yakovlev Yak-52 |
| Owner/operator: | Private |
| Registration: | G-CBSS |
| MSN: | 833707 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Couvin, Namur -
 Belgium
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Cerfontaine Airport (EBCF) |
| Cerfontaine Airport (EBCF) | |
| Investigating agency: | AAIU Belgium |
| Confidence Rating: |  Accident investigation report completed and information captured |
After a short flight starting from the airfield of Cerfontaine (EBCF), the engine suddenly began to sputter and lost power. The pilot determined he could not fly back to the airfield and decided to land the plane where he could. Just before landing, the aeroplane hit the top of a tree, pitch nosed down and violently hit the ground. Location is between Dailly and Baileux.
Direct cause:
The collision of the aeroplane with the top of a tree when performing a forced landing caused by a significant loss of engine power.
Indirect cause:
- The engine loss of power was most probably caused by the internal corrosion of the carburettor which partially blocked the fuel flow at the pressure regulator valve. The corrosion of the magnesium alloy casing of the carburettor was likely caused by water contamination.
- The limited height above ground level when the engine loss power occurred and the limited maximum lift to drag ratio did not leave the pilot much time to prepare the landing.
Contributing factors:
- The schedule used for the last maintenance dated June 2016 did not require the cleaning of the fine fuel filter.
Accident investigation:
 |
|
Sources:
https://www.rtl.be/info/regions/hainaut/un-avion-s-est-ecrase-ce-matin-a-aublain-pres-de-couvin-le-pilote-seul-a-bord-a-survecu-891275.aspx
http://www.lavenir.net/cnt/dmf20170214_00959804?pid=3036276
http://www.hln.be/hln/nl/957/Binnenland/article/detail/3080369/2017/02/14/Vliegtuigje-stort-neer-in-veld.dhtml
U.K. Mandatory Permit Directive (MPD) Vedenyev M-14P, Ivchenko AI-14, Zhuzhou HS-6: Engine Fuel System- Inspection and Draining (Sept. 2018):
http://publicapps.caa.co.uk/docs/33/MPD2018008.pdf
Images:
G-CBSS at Zoersel Airfield, 18 August 2012 (photo: H.Ranter/ASN)
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Feb-2017 14:13 | Iceman 29 | Added |
| 14-Feb-2017 16:09 | Geno | Updated [Cn, Phase, Departure airport, Source, Damage] |
| 14-Feb-2017 16:39 | Anon. | Updated [Location] |
| 14-Feb-2017 16:41 | harro | Updated [Aircraft type, Photo, ] |
| 14-Feb-2017 16:48 | harro | Updated [Cn, Phase, Departure airport] |
| 14-Feb-2017 16:50 | JINX | Updated [Aircraft type, Phase, Departure airport, Source] |
| 14-Feb-2017 16:53 | harro | Updated [Phase, Departure airport, Source] |
| 16-Feb-2017 13:35 | sundevil | Updated [Location, Damage, Narrative] |
| 27-Jun-2018 08:26 | harro | Updated [Phase, Destination airport, Narrative] |
| 14-Sep-2018 14:44 | harro | Updated [Aircraft type, Source] |
| 11-Nov-2022 04:55 | Ron Averes | Updated [Location, Narrative] |
Corrections or additions? ... Edit this accident description
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