The Schweizer SGS 1-23 is a single-seat, high performance glider with all-metal construction, widely known for efficient soaring and strong cross-country capability. Discover Schweizer SGS 1-23 for sale worldwide on AvPay. Browse active Schweizer SGS 1-23 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 Schweizer SGS 1-23 for Sale on AvPay
AvPay offers a global marketplace for Schweizer SGS 1-23 sailplanes, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America, and beyond. Discover your ideal new or used Schweizer SGS 1-23 glider within our dedicated aircraft listings.
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As a leading aviation marketplace, AvPay features a wide range of aircraft for sale, including the respected Schweizer SGS 1-23 single seat competition sailplane. Explore our full Schweizer selection here, or browse all aircraft from various manufacturers here.
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Interesting facts about the Schweizer SGS 1-23
✈ The Schweizer SGS 1-23 is a single seat high performance sailplane developed in the United States during the 1950s specifically for competition soaring.
✈ Schweizer Aircraft Corporation built the 1-23 in Elmira, New York, a region long associated with American gliding and national soaring championships.
✈ The design used all metal construction, which set it apart from many earlier American gliders that relied heavily on wood structures.
✈ Several wing versions were produced over time, allowing owners to upgrade performance and remain competitive in evolving soaring classes.
✈ The 1-23 achieved multiple US National Soaring Championship wins, strengthening its reputation as a serious contest sailplane.
✈ Pilots used the type for badge and record flights, benefiting from its strong glide ratio and efficient high aspect ratio wing.
✈ The aircraft features airbrakes mounted on the wings, giving pilots precise control of descent during competition landings.
✈ Many examples remain active in private ownership and clubs, valued for classic metal construction and direct handling feel.
Model Variants for buyers to consider when purchasing a Schweizer SGS 1-23
The Schweizer SGS 1-23 evolved through several recognised variants including the 1-23A, 1-23B, 1-23C, 1-23D, 1-23E, 1-23F, 1-23G and 1-23H. Early versions such as the 1-23A and B established the basic all metal structure and competition role. Later variants introduced refinements in wing design, airfoil selection and wingspan, with models such as the 1-23D and E offering improved glide performance. The 1-23H represented one of the highest performance developments with extended span and aerodynamic updates aimed at remaining competitive in Standard Class soaring. For buyers, these differences directly affect glide ratio, climb efficiency in thermals and overall contest capability, making variant selection an important part of the purchasing decision.
Schweizer SGS 1-23 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.
Length: 6.68 m (21 ft 11 in)
Wingspan: 15.00 m (49 ft 3 in)
Height: 1.50 m (4 ft 11 in)
Empty Weight: 295 kg (650 lb)
Max Take Off Weight (MTOW): 454 kg (1,000 lb)
Service Ceiling: 7,600 m (25,000 ft)
FAQs About the Schweizer SGS 1-23
How much does a Schweizer SGS 1-23 cost?
As of 2023 and 2024, typical asking prices for a Schweizer SGS 1-23 ranged from approximately $15,000 to $35,000 US Dollars depending on variant, condition, total time and restoration status.
Is the Schweizer SGS 1-23 suitable for competition flying today?
Many pilots still fly the 1-23 in club class and vintage competitions. Later variants such as the 1-23H offer stronger performance within older standard class rules, though modern composite sailplanes outperform it in open competition.
What should buyers inspect on a 1-23?
Buyers should pay close attention to corrosion in the metal airframe, control surface condition, airbrake function and the maintenance history of spars and attachment fittings.
How does the 1-23 handle compared to modern composite gliders?
The 1-23 offers responsive handling and solid control feel. It may require more pilot input in weak lift compared with newer high glide ratio composite sailplanes.
Are parts and support still available for the Schweizer SGS 1-23?
While original factory production has ended, active owner groups and specialist maintenance facilities in the United States continue to support the type with parts fabrication and approved repairs.
Get help buying a Schweizer SGS 1-23
Can’t find the Schweizer SGS 1-23 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 Schweizer SGS 1-23 sailplane.
Sell your Schweizer SGS 1-23 on AvPay
Do you have a Schweizer SGS 1-23 Aircraft for Sale? Get your sailplane listed on AvPay and get in front of buyers searching for a Schweizer SGS 1-23 glider worldwide. AvPay is a Zero Workload Website so you will never have to manage your own updates and each aircraft listing will be featured on our Social Media Pages, giving you added visibility in front of our 190,000+ followers. With AvPay you can generate enquiries through your aircraft listing, your broker profile and your additional aviation service listings. Let AvPay promote your Schweizer SGS 1-23 for sale.
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Find Finance for buying a Schweizer SGS 1-23
Financing a vintage competition sailplane such as the Schweizer SGS 1-23 requires lenders who understand classic aircraft values and limited production types. Specialist aviation finance providers can structure loans based on agreed hull value, condition and documented maintenance history. A detailed pre purchase inspection and accurate logbook review will strengthen your finance application. Discuss deposit size, loan term and balloon payment options early so you can align monthly costs with your soaring budget.
Explore Schweizer SGS 1-23 Aircraft Financing Options
Find Insurance for a Schweizer SGS 1-23
Insuring a Schweizer SGS 1-23 sailplane requires underwriters familiar with glider operations and vintage metal structures. Premiums depend on pilot experience, annual flying hours, storage arrangements and declared hull value. Many insurers will request details of recent inspections, corrosion checks and airworthiness documentation. Working with a broker experienced in soaring aircraft will help you secure appropriate liability limits and hull coverage tailored to competition or recreational use.
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