ASK 21 File:SCHLEICHER ASK 21 vr. jpg Schleicher ASK 21 Role Two Seater-class or Club-class sailplane National origin Germany Manufacturer Alexander Schleicher GmbH & Co Designed by Rudolf Kaiser First flight December 1978 Introduced 1979 Number built Over 750 The ASK 21 is a glass-reinforced plastic (GRP) two-seater midwing glider aircraft with a T-tail. The ASK 21 is designed primarily for beginner instruction but is also suitable for cross-country flying and aerobatic instruction.
Made by Alexander Schleicher GmbH & Co.