Standard Libelle collision with gondola cable near Zweisimmen results in fatality

On July 6, 1977, a Glasflügel Standard Libelle crashed near Zweisimmen, Switzerland, after colliding with a gondola cable. The pilot, who had launched from Zweisimmen Airfield, was attempting to gain altitude when the incident occurred. Witnesses reported the glider flying low and close to the terrain before the collision. The pilot sustained fatal injuries, and the aircraft was destroyed. The investigation noted possible contributing factors such as pilot unwellness and turbulence near the ridge.