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Schleicher ASK 21 - Acrobatics
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Schleicher ASK 21

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description Schleicher ASK 21 Overview

The Schleicher ASK 21 is a modern, two-seat glider designed primarily for aerobatic training. Developed by Rudolf Kaiser in Germany starting in 1979, it’s notable for its robust construction and suitability for introducing pilots to maneuvers like spins and rolls. It remains a popular choice for flight schools and experienced pilots seeking an aircraft for advanced instruction and recreational aerobatics.

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Schleicher ASK 21 ranks #103 of 706 in the Acrobatics ranking, behind Chow (Uneven Bars), ahead of Christen Eagle II.

World-standard two-seat trainer with excellent safety reputation and aerobatic approval, though not specialist competition acro.

help Schleicher ASK 21 FAQ

When did the Schleicher ASK 21 first fly and who designed it?

The ASK 21 was developed by German designer Rudolf Kaiser for Alexander Schleicher Segelflugzeugbau, with the design process beginning around 1979. It entered production in the early 1980s and quickly became one of the most widely used training gliders in the world.

Is the Schleicher ASK 21 suitable for aerobatic training?

Yes, the ASK 21 was specifically designed to be capable of aerobatic maneuvers including spins, rolls, and loops, making it ideal for introducing pilots to aerobatic flight in a two-seat configuration. Its robust construction handles the stresses of repeated maneuvering well.

What makes the Schleicher ASK 21 popular for glider training?

The ASK 21 is valued for its docile stall characteristics, excellent visibility from both cockpits, and forgiving handling that builds student confidence. Its tandem two-seat layout and structural durability have made it a staple at gliding clubs worldwide for decades.

What is the wingspan of the Schleicher ASK 21?

The ASK 21 has a wingspan of approximately 17 meters, giving it good glide performance for cross-country training while maintaining the maneuverability needed for aerobatic instruction. This balance of performance and handling has contributed to its longevity in production.

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