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
- 106
- Active
- 106
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.
23 yearsmedian age
Of the 69 registered Stemme S 12 with a known build year (65% of the 106 we track), the median age is 23 years.
6changed registration in 12 months
6 of the 106 registered Stemme S 12 we track changed registration in the last 12 months (6% of the fleet), across 6 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.
- Aircraft seen flying
- 4
- Tracked flights
- 7
- Tracked flight hours
- 10
- Share of fleet flying
- 4%
4 Stemme S 12 were tracked flying in the last 90 days (4% of the registered fleet), across 7 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.
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 106 registered Stemme S 12 airframes worldwide.
Registered S 12 aircraft
Individual S 12 airframes by tail number — registration history, operator and lineage.
- N258SG· 2025
- N60TM· 2025
- N571ZE· 2024
- N152SG· 2022
- N630PC· 2022
- N281KR· 2022
- N344WP· 2022
- N512G· 2022
- N151SG· 2021
- N913AL· 2021
- N425PM· 2021
- N9753· 2021
- N5124D· 2021
- N38PB· 2020
- N429RW· 2019
- N14BZ· 2019
- N11SK· 2019
- N29ST· 2019
- N732MR· 2019
- N5321· 2019
- N328LG· 2019
- N52HK· 2018
- N40PB· 2018
- N90AH· 2018