Le Slingsby Vega heurte des arbres après une arrivée de compétition trop lente et basse

Wormingford Airfield, United Kingdom Slingsby Sport Vega T65D

Un pilote tentait une « arrivée de compétition » d'entraînement — passage rapide puis ressource vers le circuit — bien trop lentement et bas ; il n'a pu remonter et s'est écrasé à travers les arbres dans un champ, grièvement blessé, planeur détruit. De retour d'un vol de campagne, il a franchi la piste sous 100 ft à seulement 48 kt, un vent arrière de 7 kt donnant une vitesse sol trompeuse. Au lieu de se poser plus loin, il a cabré et viré à gauche ; le vent arrière l'a porté sous le vent de deux lignes d'arbres, et faute d'énergie il est descendu sous la cime. Les ailes se sont arrachées dans les branches, le fuselage s'est retourné.

  1. Cross-country return: After a winch launch and cross-country task, the pilot abandoned the planned route near Cambridge and returned direct towards Wormingford Airfield.
  2. Low-energy finish attempt: The pilot attempted a practice competition finish by crossing the runway at less than 100 feet agl and pulling up for a turn without sufficient speed or height.
  3. Tailwind and low speed: A tailwind on final gave a misleadingly high groundspeed while the actual airspeed on approach was about 48 kt, below a sensible approach speed for the glider.
  4. Climb and turn attempt: Instead of aborting and landing further up the airfield, the pilot pulled up and turned left to position for the usual final turn, allowing the tailwind to carry the glider downwind of two tree lines.
  5. Descent below treeline: With inadequate kinetic and potential energy, the glider failed to gain sufficient height in the turn, descended below the tree line, and could not climb over the trees.
  6. Impact and breakup: The glider struck the upper branches of the trees, the wings were forced aft and separated from the fuselage, and the inverted fuselage continued into a crop field.
  7. Crash - serious injury: During the impacts the pilot’s harness buckle failed, he was released from the restraint, sustained serious injuries, and the glider was destroyed.
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gliderincidents.com gathers and lists soaring incident reports from official sources. The sources are indicated and linked. These reports are amended by summaries, metadata and translations, some of which have been generated utilizing machine learning (AI). You shouldn't trust the information provided here blindly, and consider reading the official incident report as a fact-check.

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