Discover the Schleicher ASK 21 two seat glider built for pilot training and general soaring available on AvPay worldwide, browse active Schleicher ASK 21 listings and find available aircraft across the USA, North America, UK, Europe, Asia, Africa, Australia and South America, connect directly with aircraft brokers, private sellers, flying clubs, flight schools and manufacturers, explore the full inventory of aircraft for sale on AvPay here!
  USD $ 4,900,000 PRICE REDUCED |
Finding a Schleicher ASK 21 for Sale on AvPay
AvPay offers a global marketplace for Schleicher ASK 21 sailplanes, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America, and beyond. Discover your perfect new or used Schleicher ASK 21 aircraft in our extensive online selection.
Refine your Schleicher ASK 21 search on AvPay with our easy-to-use filters. Quickly find your perfect aircraft by condition, year, total time, location, price, and seller.
As a leading aviation marketplace, AvPay features a diverse range of aircraft for sale, including the popular Schleicher ASK 21. Explore our full Schleicher selection here, or browse all aircraft from various manufacturers here.
Found your ideal Schleicher ASK 21? Connect directly with sellers on AvPay via WhatsApp, private message, or phone to discuss pricing and specifications of the Schleicher ASK 21 Aircraft For Sale.
Interesting facts about the Schleicher ASK 21
✈ The Schleicher ASK 21 is a two-seat glider designed for club and training use. It was developed in the 1970s by the German aircraft manufacturer Alexander Schleicher GmbH & Co.
✈ The ASK 21 is known for its solid construction, making it one of the most widely used gliders for training and soaring in the world.
✈ With a wingspan of 17 meters (55.8 feet), the ASK 21 offers excellent lift performance in a variety of conditions.
✈ It is favored for its stability, ease of handling, and reliability, especially for beginner and intermediate pilots.
✈ The glider is equipped with an airbrake system that allows for smooth and safe landings, even in tight areas.
✈ The ASK 21 has been in production for over 40 years, making it one of the longest-serving gliders in its category.
✈ Many ASK 21 gliders are still actively flown by glider clubs and training organizations around the world.
✈ Its simple design, durability, and affordability make it a popular choice for flying clubs and gliding schools.
Model Variants for buyers to consider when purchasing a Schleicher ASK 21
The Schleicher ASK 21 has several recognized variants, including the ASK 21 Mi, which is a self-launching version of the glider equipped with a retractable IAE R50-AA rotary engine. The ASK 21 B variant is an improved version of the original ASK 21, featuring automatic control connections, internal spin ballast, a revised canopy, and more effective ailerons. Additionally, the Vanguard TX.1 variant is specifically acquired by the UK Ministry of Defence for use by the Air Cadet organizations. These variants offer improvements in performance, handling, and mission-specific configurations, providing options for buyers depending on their specific needs.
Schleicher ASK 21 Specifications
Information provided here is as a guide only. This information should not be used for flight planning or other aircraft operations. Aircraft model variations, custom specifications, modifications, upgrades & age will have a considerable impact on the details listed below. Please check with the seller, manufacturer or aviation authority for the precise aircraft specifications.
Length: 7.15 m (23 ft 5 in)
Wingspan: 17 m (55 ft 9 in)
Height: 2.74 m (8 ft 11 in)
Empty Weight: 380 kg (839 lb)
Max Take Off Weight (MTOW): 600 kg (1,323 lb)
Fuel Capacity: N/A (glider)
Cruise Speed: 100 km/h (62 mph, 54 kn)
Range: 500 km (310 mi, 270 nm)
Service Ceiling: 4,500 m (14,764 ft)
Rate of Climb: 1.2 m/s (236 ft/min)
Take-off Run to 15 m (49 ft): 300 m (984 ft)
Landing Run from 15 m (49 ft): 150 m (492 ft)
FAQs About the Schleicher ASK 21
How much does a Schleicher ASK 21 cost?
The price of a used Schleicher ASK 21 can vary significantly depending on its age, condition, and included equipment. As of 2025, typical prices range from $15,000 to $25,000 USD for well-maintained models.
What is the glide ratio of the Schleicher ASK 21?
The Schleicher ASK 21 boasts a glide ratio of approximately 30:1, making it an efficient sailplane for both training and leisure soaring.
How many seats does the Schleicher ASK 21 have?
The Schleicher ASK 21 has seating for two, making it ideal for training and recreational flights with a passenger or instructor.
What is the maximum altitude of the Schleicher ASK 21?
The Schleicher ASK 21 can reach a service ceiling of 4,500 meters (14,764 feet), making it suitable for high-altitude gliding in favorable conditions.
Is the Schleicher ASK 21 still in use?
Yes, many Schleicher ASK 21 gliders are still in active use, particularly in glider clubs and flight schools, due to their durability and excellent flying characteristics.
Get help buying a Schleicher ASK 21
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Sell your Schleicher ASK 21 on AvPay
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Find Finance for buying a Schleicher ASK 21
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Find Insurance for a Schleicher ASK 21
Purchasing a Schleicher ASK 21 Airplane is an exciting step, and ensuring it’s properly insured is essential for peace of mind. Our trusted insurance brokers specialize in aviation insurance and can help you find the right coverage for your Schleicher ASK 21 Aircraft. Whether you’re a new pilot or a seasoned aviator, we have insurance options tailored to your needs. Our brokers can assist you with Liability Coverage, Hull Coverage & Additional Coverage such as personal accident insurance, passenger liability and more.
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