The Stemme S 12 (ICAO type S12S) is an aircraft certificated in the Utility category. It has a maximum take-off weight of 1,500 kg. It offers a maximum range of 950 nm, a cruise speed of 120 knots, a service ceiling of 30,000 ft and seating for up to 4 across its variants.
Stemme S 12
Fleet & certification
- Built
- 107
- Active
- 106
1 for sale right now
Per-variant specifications
| Variant | Engine | MTOW | Range | Cruise | Pax |
|---|---|---|---|---|---|
| S 12 S 12 | — | 500–1,500 kg | 300–950 nm | 86–120 kt | 2–4 |
The FAA paperwork
TCDS G06CE · Rev 2 · issued 2015-02-12
- Category
- Utility
- MTOW
- 850 kg
- Seats
- 1 crew · 1 passengers
- Fuel
- 90 L
ROTAX 914F2/S1
14 CFR 21, effective February 1, 1965, Amendments 21-1 through 21-71, Sections 21.17, 21.29 and 21.50; JAR-22, Joint Airworthiness Requirements for Sailplanes and Powered Sailplane…
Where to look next
Stemme S 12 market & fleet intelligence
Registry, flight-tracking and market data on the Stemme S 12 fleet — updated daily.
20 yearsmedian age
Of the 71 registered Stemme S 12 with a known build year (66% of the 107 we track), the median age is 20 years.
3changed registration in 12 months
3 of the 107 registered Stemme S 12 we track changed registration in the last 12 months (3% of the fleet), across 3 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.
- Aircraft seen flying
- 2
- Tracked flights
- 3
- Tracked flight hours
- 2
- Share of fleet flying
- 2%
2 Stemme S 12 were tracked flying in the last 90 days (2% of the registered fleet), across 3 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.
Stemme S 12 manuals & documents
1 document for the Stemme S 12 — Maintenance Manual. PDFs served from cdn.sprinkle.com.
The Maintenance Manual for the Stemme S-12 powered sailplane provides detailed instructions for the maintenance of the aircraft. It includes guidelines for amendments, effective pages, and general maintenance practices to ensure the aircraft is maintained in accordance with regulatory standards.
- Document number: LS00-912.820
- Date of issue: July 20, 2016
- Approved under EASA Type Certificate EASA.A.054
- Maintenance must follow the instructions in this manual
- Record of amendments must be maintained for each aircraft
- Contact information for Stemme AG is provided
- Reproduction of the document is prohibited without permission
- The manual consists of 290 pages
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Maintenance Manual
Documents are sourced from publicly available references. Sprinkle does not host OEM-restricted materials; if you are a rights-holder and want a document removed, email .
What is the range of the Stemme S 12?
The Stemme S 12 has a maximum range of 950 nautical miles across variants.
How many people can the Stemme S 12 carry?
The Stemme S 12 seats up to 4 across its variants.
What is the MTOW of the Stemme S 12?
The Stemme S 12's maximum take-off weight is 1,500 kg.
What is the ICAO type designator for the Stemme S 12?
The Stemme S 12's ICAO type designator is S12S.
How many Stemme S 12 aircraft are registered worldwide?
Sprinkle tracks 107 registered Stemme S 12 airframes worldwide.
Registered S 12 aircraft
Individual S 12 airframes by tail number — registration history, operator and lineage.
- N120ST· 2026
- N258SG· 2025
- N60TM· 2025
- N571ZE· 2024
- N512G· 2022
- N281KR· 2022
- N152SG· 2022
- N630PC· 2022
- N344WP· 2022
- N151SG· 2021
- N5124D· 2021
- N425PM· 2021
- N9753· 2021
- N913AL· 2021
- N38PB· 2020
- N328LG· 2019
- N29ST· 2019
- N11SK· 2019
- N14BZ· 2019
- N429RW· 2019
- N732MR· 2019
- N5321· 2019
- N40PB· 2018
- N52HK· 2018