ASK 13 Kollision mit Person während der Landung am Flugplatz Grenchen
Am 21. August 1981 kollidierte ein Alexander Schleicher ASK 13 Segelflugzeug während der Landung am Flugplatz Grenchen in der Schweiz mit einer Person. Der Flugschüler führte seinen zweiten Alleinflug durch und näherte sich der gelb markierten Landebahn. Während der Landung traf der linke Flügel des Segelflugzeugs eine von drei Personen, die auf der Landebahn standen, und verursachte Kopfverletzungen. Die Kollision ereignete sich, weil die Person unnötigerweise auf der Landebahn blieb. Das Segelflugzeug erlitt Schäden am linken Flügel, aber es gab keine Todesfälle.
- Aerotow landing: During his second solo flight after an aerotow launch, the student pilot flew a normal circuit and turned onto final approach to land on the yellow-marked glider landing strip.
- People on landing strip: On final approach the student pilot observed a group of three glider students standing on the yellow landing strip in his intended touchdown area.
- Obstructed adjacent strips: The pilot assessed that lateral deviation was inadvisable because a towplane was on the red takeoff strip to his left and another glider landing had been announced on the blue strip to his right.
- Person remains on strip: Despite the approaching glider, one of the students (Y) remained standing unnecessarily within the yellow landing strip near its left edge instead of moving clear.
- Approach continued: Expecting the group to vacate the runway or that he could pass by them, the student pilot continued a normal, straight-in landing on the yellow strip without a late avoidance maneuver.
- Wing strikes person: At touchdown about 42.5 m beyond the threshold and slightly south of the centerline, the glider’s left wingtip area struck student Y in the head as he stood near the left side of the yellow strip.
- Crash - serious injury: The glider veered left and stopped south of the yellow strip with damage to its left wing, and student Y sustained head injuries from the wing impact.