The Glasflügel 604 is a German single seat FAI Open Class sailplane designed for high performance soaring. Discover Glasflügel 604 aircraft for sale worldwide on AvPay. Browse active Glasflügel 604 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!
Finding a Glasflügel 604 for Sale on AvPay
AvPay offers a global marketplace for Glasflügel 604 gliders and sailplanes, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America, and beyond. The Glasflügel 604 sits in the classic Open Class era, with a very large span and a competition focused design that appeals to buyers who want a distinctive high performance sailplane with real history behind it.
Refine your Glasflügel 604 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 Glasflügel 604. Explore our full Glasflügel selection here, or browse all aircraft from various manufacturers here.
Found your ideal Glasflügel 604? Connect directly with sellers on AvPay via WhatsApp, private message, or phone to confirm rigging equipment, trailer setup, and the full instrument fit for the Glasflügel 604 Aircraft For Sale.
Interesting facts about the Glasflügel 604
✈ Glasflügel developed the 604 from the Kestrel 17 line, stretching the concept into a 22 metre Open Class glider that targeted top level soaring performance.
✈ The aircraft earned the nickname “the Jumbo” because of its size and the practical effort needed to rig its three piece wing, which matters to buyers planning small crew operations.
✈ The wing uses camber changing flaps and a coordinated flap and aileron system, so a well set up control system can make a noticeable difference in feel and performance.
✈ Glasflügel built the 604 as a very limited run aircraft, which makes originality and paperwork especially important when one comes up for sale.
✈ The 604 achieved strong results in major competitions in the 1970s, which helps explain why the model still attracts serious cross country and contest pilots today.
✈ Many pilots associate the 604 with long distance tasks and record minded flying, so listings often highlight oxygen equipment, instrumentation, and trailer quality.
✈ The published best glide figure of 49:1 at around 98 km/h is a useful benchmark when comparing classic Open Class sailplanes from the same period.
✈ Some aircraft were equipped to carry water ballast, which can change the way the sailplane performs in stronger conditions and can influence how buyers value a particular example.
Glasflügel 604 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 and 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.
Wingspan: 22.0 m (72 ft 2 in)
Maximum Speed: 250 km/h (135 kn)
Maximum Glide Ratio: 49:1 at 98 km/h
FAQs About the Glasflügel 604
Is the Glasflügel 604 an Open Class glider?
Yes, the 604 was designed as an Open Class sailplane. Buyers usually compare it with other classic Open Class designs where span, ballast capability, and handling at speed matter.
Why do people call the Glasflügel 604 a “Kestrel 22”?
Pilots sometimes use that nickname because the 604 builds on the Kestrel design line and uses a 22 metre wing. Glasflügel did not officially name it that way, so adverts can vary in how they describe the model.
What should I check first when buying a Glasflügel 604?
Start with the wing structure and control system condition because the aircraft uses flaps and a complex wing setup. Confirm the rigging hardware, trailer support, and documentation for any repairs or refinishing.
How hard is it to rig and derig a Glasflügel 604?
The 604’s large multi section wing can require more people and more space than many other sailplanes. Buyers should plan for practical ground handling, safe lifting points, and a routine that avoids hangar rash.
What equipment details should I confirm with the seller?
Ask about oxygen, navigation and flight computer fit, and the trailer specification. Also confirm whether ballast equipment is present and serviceable because it can affect how the glider is used and valued.
Get help buying a Glasflügel 604
Can’t find the Glasflügel 604 aircraft you’re looking for? Get in touch with an Aircraft Broker to help you buy an aircraft via the Aircraft Broker Directory. Alternatively you can browse Aircraft Brokerage and Aircraft Acquisition Services through the aviation marketplace to help you with the purchase of a Glasflügel 604 glider or sailplane.
Sell your Glasflügel 604 on AvPay
Do you have a Glasflügel 604 Aircraft for Sale? Get your glider listed on AvPay and get in front of buyers searching for a Glasflügel 604 sailplane around the world. AvPay is a Zero Workload Website so you’ll never have to make your own updates and each aircraft listing will be featured on our Social Media Pages, giving you extra visibility in front of our 170,000+ followers. With AvPay you won’t just generate enquiries on your Aircraft Listings. You’ll also generate enquiries through your Aircraft Broker Profile and through each of the Service Listings you include on our Aviation Marketplace Pages. Let AvPay promote your Glasflügel 604 for sale.
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Find Finance for buying a Glasflügel 604
Need financing to purchase your Glasflügel 604? Share the full aircraft identity, documentation, and condition details early because lenders can treat rare classic gliders differently from common training sailplanes. Provide a clear inventory of what comes with the sale, including trailer, rigging aids, oxygen, and avionics, since these items often drive buyer value. If the aircraft will move across borders, ask your finance provider how escrow, title checks, and export paperwork affect timing and payment milestones. Agree inspection steps up front so the lender can align funding release with the pre purchase assessment and final handover.
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Find Insurance for a Glasflügel 604
Purchasing a Glasflügel 604 is a big step and the right insurance setup protects hull value and third party liability. Confirm that the policy reflects how you will operate the glider, including cross country flying, competition use, and any aerotow or winch launch activity at your site. Make sure cover extends to ground risks that matter for large span sailplanes, including rigging, trailering, storage, and hangar movement. If the aircraft carries specialist equipment such as oxygen or high value avionics, declare it clearly so the insured value matches the real replacement risk.
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Glasflügel Aircraft Models for Sale on AvPay
The Glasflügel 604 is a German single seat FAI Open Class sailplane designed for high performance soaring. Discover Glasflügel 604 aircraft for sale worldwide on AvPay. Browse active Glasflügel 604 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!