1999 Stemme S10Glider / Sailplane • CO, USA

This 1999 Stemme S10, registration N5121 (serial number 11-023), is a meticulously maintained, self-launching side-by-side sailplane offered at $185,000 by the founder of Stemme USA, who has owned it since new. With an airframe total time of 1,048.6 hours and only 15 hours flown in the past six months, it has always been hangared and has complete logbooks since new. An annual inspection was recently performed in June 2025, with inspection expiry noted as June 1, 2025. The seller states no damage history, though there is a small, one-inch non-structural puncture and cosmetic repair performed by a certified composite repair shop, which is not...