ASN Wikibase Occurrence # 240874
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| Date: | Wednesday 2 September 2020 |
| Time: | c. 15:25 LT |
| Type: |  Robin DR.400/180R Remorqueur |
| Owner/operator: | Aéroclub de Luchon |
| Registration: | F-HKZZ |
| MSN: | 909 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Bagnères-de-Luchon Airfield, Haute-Garonne 31 -
 France
|
| Phase: | Take off |
| Nature: | Banner and glider towing |
| Departure airport: | Bagnères-de-Luchon Airfield (LFCB) |
| Bagnères-de-Luchon Airfield (LFCB) | |
| Investigating agency: | BEA |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot of the Robin DR.400/180R Remorqueur took off from runway 01 at Bagnères-de-Luchon Airfield to tow a Schleicher Ka 6E glider (F-CDRM).
Shortly after take-off, at a height estimated by a witnesses of about 50 m, the towing cable slacked and then suddenly tightened. The glider assumed a nose-up attitude and passed into a high position relative to the airplane, braking it and pulling it towards a nose-down attitude.
The glider pilot and the airplane pilot released the tow rope simultaneously.
The glider pilot then performed a tight right maneuver and landed on the runway in the opposite direction. At the same time, the plane collided with the runway.
Takeoff, with an air speed higher than usual for a glider such as the Ka 6E, of the order of 130 km/h, could induce a more unstable behavior of the glider evolving in a turbulent atmosphere with gusts of wind. The glider thus became more sensitive to fly. The glider pilot intended to inform the airplane pilot of this high speed over the radio.
During the initial climb, in order not to go to the high position, the pilot of the glider applied nose down control, thus increasing the speed of the glider. The pilot of the airplane likely reduced engine power in order to keep the engine within its operating range. The plane's speed decreased. This reduction in speed, combined with the increase in the speed of the glider, could have led to a relaxation of the tow rope.
When the cable was re-tightened, the glider's attitude increased sharply due to the position of the tow hook close to the center of gravity, which destabilized the pilot in the seat. It is possible that, in this phase, the pilot acted involuntarily on the control stick, towards the rear, amplifying the attitude.
The glider passing in high position, about ten meters above the airplane, braked the latter and made it adopt a nose-down attitude.
Accident investigation:
 |
|
Sources:
https://www.ladepeche.fr/2020/09/02/luchon-un-avion-de-tourisme-se-crashe-le-jeune-pilote-grievement-blesse-9046266.php
_______________________
https://cdn.jetphotos.com/full/6/43414_1597572529.jpg (photo)
Images:
Photo: BEA
Media:
⚠️ Accident du DR400 immatriculé F-HKZZ survenu le 02/09/20 lors du décollage à Bagnères-de-Luchon / @BEA_Aero sur place / ouverture d’une enquête de sécurité / recueil de témoignages, prélèvements et constatations en cours. pic.twitter.com/uiBigS65zo
— BEA ✈️ 🚁🛩 🇫🇷 (@BEA_Aero) September 3, 2020
🇫🇷Luchon : un avion de tourisme Robin DR400 se crashe, le jeune pilote grièvement blessé.
— PLANES OF LEGEND (@PlanesOfLegend) September 3, 2020
Presse: https://t.co/3xblesPULP via @ladepechedumidi
ASN: https://t.co/8ZPE4UJ7Zc pic.twitter.com/4sZGCRyJvD
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Sep-2020 07:07 | gerard57 | Added |
| 03-Sep-2020 10:35 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Phase, Departure airport, Destination airport, Source, Narrative, Plane category] |
| 03-Sep-2020 11:15 | RobertMB | Updated [Location, Narrative] |
| 03-Sep-2020 12:40 | harro | Updated [Photo] |
| 03-Sep-2020 13:43 | Iceman 29 | Updated [Time, Phase, Source, Embed code, Damage, Narrative] |
| 07-Sep-2021 18:36 | harro | Updated [Embed code, Narrative, Accident report] |
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