Stemme S12 Aircraft
The Stemme S12 is a modern, long-span, side-by-side self-launching motorglider with Stemme's signature retractable nose propeller. It pairs top-tier soaring performance with genuine powered touring range and a comfortable side-by-side cockpit — a versatile, high-performance machine for pilots who want both serious cross-country soaring and self-launch independence.
3 used Stemme S12 aircraft for sale · 2-seat · Reference price ~$280,000 ($180,000–$420,000) · updated 14 hours ago
Stemme S12 Specifications
Model specThe Stemme S12 is a 2-seat gliders with a cruise speed of 140 kt (259 km/h), a range of 930 nm (1,722 km), and a useful load of 500 lbs (227 kg).
Stemme S12 for Sale
Stemme S12 asking prices range from $400,000 to $630,683, with a median of $515,341 (market reference $280,000).
Compare Stemme S12
See how the Stemme S12 stacks up against similar aircraft in specs, price, and operating costs.
Stemme S12 Price & Cost
How much does a Stemme S12 cost? Used S12 prices: $400K – $630K, average $515K (median $515K); market reference $280K, across 2 priced of 3 active listings.
Key price factors: engine time to overhaul, year and airframe hours, avionics, damage history and logbook completeness — see the buying guide below for the full pre-purchase checklist.
Buying a Used Stemme S12
Buying a Stemme S12 comes down to a focused pre-purchase checklist — here is what matters most on this model:
What to check before buying
Frequently Asked Questions — Stemme S12
Cost?
What's unique about a Stemme?
S12 vs S10?
Stemme S12 Inventory by Country
| United States | 1 |
Stemme S12 by Price
| Under $500k | 1 |
Stemme S12 by Decade
| 2020s | 3 |
Stemme S12 Safety Record
Across all S12 variants, 1 NTSB-recorded events are on file from 2018–2018. As with any aircraft, most outcomes depend on pilot training, maintenance and operating conditions rather than the airframe itself.
1
Total Events
0
Incidents
0
Serious
1
Fatal
Most Recent Events
| Date | Location | Severity | Probable Cause |
|---|---|---|---|
| Aug 19, 2018 | Santo Domingo Norte, | Fatal (2) | — |
NTSB records 2018–2018. Includes all Stemme S12 variants. Events ≠ aircraft fault.