Collision du K 8 B avec une clôture lors d'un atterrissage en campagne près d'Enetchirel, Suisse

Enetchirel, Switzerland Alexander Schleicher K 8 B

Le 14 août 1971, un Alexander Schleicher K 8 B a rencontré des conditions météorologiques difficiles lors d'un vol local depuis l'aérodrome de Zweisimmen. Le pilote, incapable de gagner de l'altitude en raison de vents forts, a tenté un atterrissage en campagne sur un terrain en pente près d'Enetchirel, Suisse. Pendant le roulage, l'aile gauche du planeur a touché le sol, provoquant une déviation à gauche et une collision avec une clôture en fil barbelé. Le pilote est resté indemne, mais le planeur a subi des dommages importants. Le rapport officiel a conclu que la décision du pilote de continuer à voler dans des conditions défavorables et le choix du site d'atterrissage ont contribué à l'incident.

  1. Aerotow local flight: The pilot took off at 1218 on aerotow from Zweisimmen for a local soaring flight and released at about 1800 m west of the Niderhorn after climbing to roughly 2100 m.
  2. Drift into Diemtigtal: In strong northwesterly winds the pilot allowed the glider to drift over the Niderhorn ridge into the rear Diemtigtal, where it encountered strong sink.
  3. Unfavourable weather: Strong winds, showers or thunderstorms with gusts and turbulence, and rain showers entering the Diemtigtal created difficult soaring and landing conditions.
  4. Continued eastward flight: Hoping to find lift on the opposite side of the valley, the pilot continued flying eastward but was unable to gain altitude.
  5. Decision for outlanding: As rain showers began penetrating the valley, the pilot decided to perform an outlanding on a steep south-facing slope northeast of Enetchirel.
  6. Downslope landing roll: The pilot conducted a landing approach on heading 075° onto terrain sloping about 1:10 downhill, and in strong gusty conditions the glider touched down and rolled approximately 150 m before the left wing contacted the ground, yawing the aircraft left.
  7. Outlanding - damage: Around 1250 the glider, veering left after wing contact, struck a barbed wire fence with its tail, heavily damaging the aircraft while the pilot remained uninjured.
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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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