Schleicher ASK-21 — registry & accident history
Compiled from FAA & NTSB records · as of Jul 18, 2026
There are 56 Schleicher ASK-21 airframes on record (built 1982–2006), 43 currently registered. 5 have one or more NTSB accident records (5 records total). Data as of Jul 18, 2026.
Recent Schleicher ASK-21 accidents
The pilot’s improper landing flare and subsequent improper recovery from a hard, bounced landing.
A loss of lift during the landing approach, which resulted in impact with terrain.
The pilot's failure to maintain control of the glider during the initial climb due to an inadvertent encounter with wind.
The glider pilot's misjudged distance/altitude while soaring.
The pilot's inadequate preflight procedures and failure to check the spoiler control position, which resulted in the inadvertent deployment of the spoilers during takeoff. A contributing factor was the pilot's misinterpretation of the tow pilot's instructions.