Stemme Gmbh & Co STEMME S 12
5 on the U.S. register. Built from 2018 to 2026; half of them date from 2025 or earlier. South Carolina has the most (2). 100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the STEMME S 12 from the FAA's model table
- Type
- Glider · Gliders
- Power
- Four-cycle piston, 1 engine
- Common engines
- Rotax 914 Series (4)
- Seats
- 2
- Maker on the register
- Stemme Gmbh & Co
- Registered
- earliest certificate August 14, 2018; newest August 13, 2026
Where they are owner's state
South Carolina2Nevada1Delaware1California1
Who owns them registrant type
LLC3 (60%)Corporation2 (40%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| STEMME S 12 | 5 | 2018 to 2026 | 100.0% |
When they were built by decade · 1 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid5 (100%)
Airworthiness certificate class
Standard4 (80%)None on file1 (20%)
Biggest operators companies, schools and clubs
Stemme USA INC2Mtmc LLC1Extreme Air LLC1Circling Sky LLC1
Fleet pages: Extreme Air LLC
Accident history NTSB records · 0 cases since 1982, 0 fatal
No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record.
Questions people ask answers refresh every morning
How many Stemme Gmbh & Co STEMME S 12 aircraft are registered in the U.S.?
5 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Stemme Gmbh & Co STEMME S 12s?
South Carolina, with 2.
Who owns the Stemme Gmbh & Co STEMME S 12?
100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 5
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N164ST | Stemme Gmbh & Co STEMME S 12 |
Stemme USA INC West Columbia, South Carolina |
None on file | 2026-08-13 | Valid |
| N120ST | Stemme Gmbh & Co STEMME S 12 |
Stemme USA INC West Columbia, South Carolina |
Standard | 2026-05-05 | Valid |
| N60TM | Stemme Gmbh & Co STEMME S 12 |
Mtmc LLC Wilmington, Delaware |
Standard | 2026-03-30 | Valid |
| N258SG | Stemme Gmbh & Co STEMME S 12 |
Circling Sky LLC Reno, Nevada |
Standard | 2025-08-28 | Valid |
| N40PB | Stemme Gmbh & Co STEMME S 12 |
Extreme Air LLC Santa Barbara, California |
Standard | 2018-08-14 | Valid |