Olympia-Pilot rutscht im unkontrollierten Sturzflug durch den lockeren Gurt

Parham, near Pulborough, Sussex, United Kingdom EoN Olympia 460

Der Pilot einer EoN Olympia 460 wurde tödlich verletzt, als das Segelflugzeug nahe Parham außer Kontrolle stürzte und der linke Flügel abbrach; es wurde zerstört. Aus einer Kurve auf ~900 m AGL kippte das nickempfindliche Segelflugzeug, Schwerpunkt nahe der hinteren Grenze, heftig über die Senkrechte. Der leichte, zierliche Pilot rutschte unter den Sturzlasten durch den lockeren Gurt nach vorn und drückte den Steuerknüppel vor; drei kurze Abfangversuche trugen nicht. Beim dritten brach auf ~150 m AGL der überlastete linke Flügel ab. Eine Steuerungsblockade fand sich nicht, Schwerpunkt im Limit; Bodenversuche stellten das Durchrutschen nach.

  1. Cruise thermaling flight: After an aerotow launch at 1145 hrs, the pilot cruised and soared locally for about three hours in good conditions near Parham.
  2. Sudden nose-down pitch: While in a gentle right turn at about 3000 feet agl, the glider abruptly pitched violently nose-down to well past the vertical.
  3. Aft CG and sensitive pitch: The aircraft type was known to be sensitive in pitch, with this flight’s centre of gravity towards the aft limit, increasing susceptibility to pitch disturbances.
  4. Loose harness fit: Post-accident tests showed that with the harness as found, a small pilot could slide through the loose straps in a vertical attitude, pushing the column forward and losing control.
  5. Uncontrolled vertical dives: From around 2000 feet agl the glider remained near-vertical in a high-speed dive, with three brief, unsuccessful pitch-up attempts that did not achieve a sustained recovery.
  6. Left wing structural failure: At an estimated 500 feet agl, during the third brief pitch-up, the left wing suffered a torsional and downward bending overload failure and separated in flight at roughly 600–800 feet.
  7. Crash - fatal: The fuselage and remaining right wing continued almost vertically down and impacted dense woodland, destroying the glider and fatally injuring the pilot.
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