ASN Wikibase Occurrence # 75938
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| Date: | Sunday 25 July 2010 |
| Time: | 16:40 LT |
| Type: |  B&F Technik FK14 Polaris |
| Owner/operator: | Confluence |
| Registration: | OO-G15 |
| MSN: | 014-084 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Houtain-le-Val, Walloon Brabant -
 Belgium
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Pont-à-Celles-Buzet ULM Airfield (EBBZ) |
| Pont-à-Celles-Buzet ULM Airfield (EBBZ) | |
| Investigating agency: | AAIU Belgium |
| Confidence Rating: |  Accident investigation report completed and information captured |
On Sunday 25 July 2010, the pilot decided to perform a flight from the ULM Airfield of Buzet.
The pilot was practicing familiarization flights with the Polaris FK 14. He had already performed several flights beginning on 18 June 2009 under the supervision of an instructor.
He wanted to perform a local flight with a Polaris FK14 aircraft and contacted “Confluence” to hire an airplane. At his arrival in Buzet around 14:00 UTC he met a friend and they decided to make a flight together. This person was also a pilot having himself performed some familiarization flights with the Polaris.
After the flight preparation the airplane took off and flew to a practice area.
At about 14:40 UTC a few witnesses, who were some way from the crash site, saw the airplane going down in a spin and /or heard a detonation.
One of these witnesses specified that he first saw the airplane flying during a short period of time in a horizontal attitude. Then the airplane suddenly fell down before entering into a left hand spin. Another witness only heard a detonation and saw a parachute opening at ground level.
The airplane crashed in a field at 5,8 km north of the airfield of Buzet.
Causes.
The probable cause of the accident is a loss of control during a flight at very low speed.
Contributing factors:
The incitation to experiment stall exercises and the lack of information and warning about stall and spins in the “Confluence”
Flight Manual probably prevented the pilot realizing the potential danger of these maneuvers.
Unclear information about the actual empty weight of OO-G15 and ambiguous information regarding the maximum demonstrated take off weight of 540 kg probably led the pilot to fly in overload.
However, taking into account that the pilot’s weight was relatively high it is likely that the fatal flight was not the first flight in overload.
The absence of stall warning system probably prevented the pilot to adequately realize the proximity of stall.
The choice of a training area below the TMA of EBCI Airport did not allow the pilot to climb to a safe altitude to make low speed
exercises.
Accident investigation:
 |
|
Sources:
https://www.rtl.be/info/belgique/faits-divers/nivelles-deux-bruxellois-meurent-dans-le-crash-d-un-ulm-179649.aspx
https://www.rtbf.be/info/regions/brabant-wallon/deux-bruxellois-se-tuent-dans-le-crash-dun-ulm-239794
https://www.lavenir.net/cnt/dmf20100726_004
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jul-2010 23:32 | sundevil | Added |
| 25-Jul-2010 23:40 | harro | Updated [Time, Aircraft type, Departure airport, Narrative] |
| 26-Jul-2010 00:26 | sundevil | Updated [Source] |
| 26-Jul-2010 06:07 | Anon. | Updated [Aircraft type] |
| 26-Jul-2010 08:28 | Anon. | Updated [Aircraft type] |
| 04-Oct-2010 06:40 | 757 | Updated [Registration, Cn, Operator] |
| 18-Dec-2018 08:39 | harro | Updated [Time, Operator, Destination airport, Narrative, Accident report, ] |
| 08-Nov-2022 21:33 | Ron Averes | Updated [Location, Departure airport, Destination airport] |
Corrections or additions? ... Edit this accident description
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