Un Standard Cirrus heurte une paroi en spiralant serré près d'une crête alpine

Olmenhorn, Switzerland Schempp-Hirth Standard Cirrus

Le pilote d'un Standard Cirrus a été tué lorsque le planeur a heurté une paroi à l'Olmenhorn ; planeur détruit. Lors d'un vol privé depuis Münster, le pilote s'est largué du remorquage à ~2500 m MSL. Le vol de pente était impraticable ; la seule ascendance était un noyau thermique étroit au-dessus de la crête, exigeant forte inclinaison et vitesse. Le pilote a spiralé serré près du rocher ; dans un virage, l'aile droite a heurté un ressaut à mi-envergure et s'est arrachée, et le planeur a été projeté ~50 m dans l'éboulis. Aucune cause technique, météo ou médicale n'a été trouvée ; la cause probable était des spirales trop près du relief.

  1. Aerotow local flight: The pilot launched by aerotow from Münster for a local training flight and released over the Blinnental at about 2500 m in strong thermals.
  2. Mountain thermal soaring: The pilot proceeded to soar in alpine terrain, later thermaling near the Strahlhorn and then towards the Olmenhorn in an area known for demanding mountain flying.
  3. Very narrow thermal: At the Olmenhorn the usable thermal core was very narrow, requiring high bank angles and increased airspeed to remain in the lift close to steep, rocky terrain.
  4. Tight circling near slope: While thermaling about 200 m below another glider, the pilot began tight left-hand circles in the narrow thermal directly above a steep, jagged rock face on the Olmenhorn southwest ridge.
  5. Continued close-in turns: The pilot continued to circle several times in close proximity to the terrain instead of increasing clearance from the rock outcrops.
  6. Wing hits rock outcrop: In a high-bank turn the glider’s right wing mid-span struck a protruding rocky promontory, tearing off the outer wing section and destroying the wing center section.
  7. Crash - fatal: Following the wing strike the glider was catapulted into the slope and broke up on the steep rock and scree, fatally injuring the pilot and destroying the aircraft.
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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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