Absturz einer Standard Austria S nach Windenstartversagen auf einem Schweizer Militärflugplatz

Switzerland, Switzerland Standard Austria Standard Austria S

Am 23. August 1964 erlitt eine Standard Austria S auf einem Militärflugplatz in der Schweiz ein Windenstartversagen. Während des Starts riss das Windenseil in einer Höhe von 50-80 Metern. Der Pilot versuchte, in niedriger Höhe zum Startpunkt zurückzukehren, was zu einem Strömungsabriss und einem Trudeln führte. Das Segelflugzeug stürzte ab, was zum Tod des Piloten und zur Zerstörung des Flugzeugs führte. Die Untersuchung stellte fest, dass das Seil mehrere schwache Reparaturstellen hatte, die zum Versagen beitrugen.

  1. Winch launch climb: The Standard Austria HB-718 began a normal winch launch from the military airfield, climbing away from the start point.
  2. Winch cable break: At an altitude of about 50–80 meters, the winch cable suddenly broke, interrupting the launch.
  3. Initial recovery actions: The pilot immediately released the remaining cable and initially established the glider in a normal glide attitude.
  4. Low-altitude turn back: Shortly after the cable break, the pilot initiated a relatively tight left turn, apparently to return toward the launch area despite the low height.
  5. Stall and spin entry: During the tight left turn at low altitude, the airspeed dropped below stall speed, causing the glider to drop over the left wing and enter a spin.
  6. Unrecoverable low spin: The glider completed about two turns in a steep spin, with insufficient height available for recovery.
  7. Crash - fatal: The glider impacted steeply into the grass beside the paved runway about 300 meters from the start point, fatally injuring the pilot and destroying the aircraft.
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