Stemme S12 Aircraft 2020s
3 used Stemme S12 aircraft for sale 2020s · $400K – $634K · updated 7 hours ago
About the Stemme S12
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.
Stemme S12 Specifications
Model specStemme has not yet published final specifications for the S12. This section will populate automatically once official specs are released — in the meantime you can browse current listings above.
3 Stemme S12 For Sale
There are currently 3 used Stemme S12 for sale, ranging from $400,000 to $634,642, with a median asking price of $517,321.
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 – $634K, average $517K (median $517K), 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
When buying a Stemme S12, the biggest value drivers are engine time since overhaul, maintenance-record completeness, damage history and avionics.
What to check before buying
- Engine time to overhaul — hours and years remaining drive price more than total airframe time.
- Logbook completeness — continuous, gap-free maintenance records protect value.
- Damage history — any prior accident or incident; cross-check the registration against accident databases.
- Avionics — a modern glass panel vs legacy steam gauges materially changes price.
- Pre-buy inspection — always commission an independent inspection by a type-experienced mechanic before money changes hands.
Frequently Asked Questions — Stemme S12
Cost?
What's unique about a Stemme?
S12 vs S10?
Stemme S12 Inventory by Country
| Poland | 1 |
| United States | 1 |
Stemme S12 by Price
| Under $500k | 1 |
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.
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.