C-GKDX, an L-23 Super Blanik glider operated by Edmonton Soaring Club, was doing a solo training flight at Chipman, AB (CFU3). Since the aircraft was high on the downwind leg, the student-pilot activated the spoilers to assist the descent. However, the aircraft remained above the desired approach path throughout the approach, leading to a landing that was well above optimal landing speed.
The aircraft touched down well down the runway, rolled off the end through a ditch, then over a road and finally came to rest in a field. The aircraft sustained substantial damage.
The pilot was uninjured.