Stemme Ag STEMME S 12
27 on the U.S. register. Built from 2017 to 2024; half of them date from 2019 or earlier. California has the most (7). 74% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
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About the STEMME S 12 from the FAA's model table
- Type
- Glider · Gliders
- Power
- Four-cycle piston, 1 engine
- Common engines
- Brp-Rotax 914 F2 (19), Rotax 914 Series (5), Rotax 916 Is A (1)
- Fuel
- 100LL avgas
- Seats
- 2
- Built of
- composite · A carbon-fibre motor glider.
- Maker on the register
- Stemme Ag
- Registered
- earliest certificate February 9, 2018; newest May 8, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| LLC | 10 | 37% |
| Corporation | 10 | 37% |
| Individual | 6 | 22% |
| Co-owned | 1 | 4% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| STEMME S 12 | 27 | 2017 to 2024 | 100.0% |
When they were built by decade · 1 with no year on file
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 25 | 93% |
| None on file | 1 | 4% |
| Experimental | 1 | 4% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Dzyne Technologies INC | 4 |
| Tvpx Aircraft Solutions INC Trustee | 2 |
| Suedla Holding LLC | 1 |
| Stemme N11Sk LLC | 1 |
| Southeast Soaring LLC | 1 |
| Shewmaker Air LLC | 1 |
| Papa LLC | 1 |
| Omega Enterprises LLC | 1 |
| Narrow Arrow LLC | 1 |
| Korff Aviation LLC | 1 |
| Extreme Air LLC | 1 |
| Entrenext Aviation LLC | 1 |
Fleet pages: Tvpx Aircraft Solutions INC Trustee · 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. How models compare: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Stemme Ag STEMME S 12 aircraft are registered in the U.S.?
27 as of November 9, 2026, counting 1 version the FAA records separately.
Which state has the most Stemme Ag STEMME S 12s?
California, with 7.
Who owns the Stemme Ag STEMME S 12?
74% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Stemme Ag STEMME S 12s on the register built?
Between 2017 and 2024; half of them in 2019 or earlier.
What is the Stemme Ag STEMME S 12 made of?
The airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A carbon-fibre motor glider. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Stemme Ag STEMME S 12 the component layer
The airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A carbon-fibre motor glider. The FAA has issued 6 airworthiness directives (orders that owners must comply with) that name this model, most of them about rotorcraft systems.
FAA orders 6 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Rotorcraft systems | 2 | 33% |
| Airframe structure | 1 | 17% |
| Propeller | 1 | 17% |
| Landing gear | 1 | 17% |
| Instruments and avionics | 1 | 17% |
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the STEMME S 12 links to the rest of the register
- Stemme Ag 38 aircraft on the register
- Stemme Ag STEMME S 12 27 registered
- Built of composite · A carbon-fibre motor glider.
- Brp-Rotax 914 F2 19 of these aircraft · 115 hp
- Rotax 914 series 5 of these aircraft · 100 hp
- Rotax 916 IS A 1 of these aircraft · 160 hp
- Rotax 914 IS 1 of these aircraft · 100 hp
- California 7 of these aircraft
- Florida 3 of these aircraft
- Delaware 3 of these aircraft
- Utah 2 of these aircraft
- Washington 1 of these aircraft
- Dzyne Technologies INC 4 of these aircraft
- Tvpx Aircraft Solutions INC Trustee 2 of these aircraft
- Suedla Holding LLC 1 of these aircraft
- Stemme N11Sk LLC 1 of these aircraft
- Southeast Soaring LLC 1 of these aircraft
- NTSB accidents and incidents involving the STEMME S 12 0 cases since 1982 · 0 fatal
- FAA orders naming the STEMME S 12 6 airworthiness directives
The whole map of how records connect · these connections as data: /graph/model/stemme-ag/stemme-s-12.json.
Aircraft newest certificates first · 27
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N151SG | Stemme Ag STEMME S 12 |
Individual owner Washington |
Standard | 2026-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N11SK | Stemme Ag STEMME S 12 |
Stemme N11Sk LLC Missoula, Montana |
Standard | 2026-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N5321 | Stemme Ag STEMME S 12 |
Omega Enterprises LLC Niwot, Colorado |
Standard | 2025-07-12 | ValidFAA registration status code V: Valid registration. All codes |
| N152SG | Stemme Ag STEMME S 12 |
Suedla Holding LLC Wilmington, Delaware |
Standard | 2025-05-18 | ValidFAA registration status code V: Valid registration. All codes |
| N571ZE | Stemme Ag STEMME S 12 |
Korff Aviation LLC Leesburg, Virginia |
Standard | 2024-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N14BZ | Stemme Ag STEMME S 12 |
Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah |
Standard | 2024-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N90AH | Stemme Ag STEMME S 12 |
Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah |
Standard | 2024-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N913AL | Stemme Ag STEMME S 12 |
Aerotrust Services CORP Trustee Wilmington, Delaware |
Standard | 2023-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N921GH | Stemme Ag STEMME S 12 |
Individual owner New York |
None on file | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N344WP | Stemme Ag STEMME S 12 |
Papa LLC Eufaula, Alabama |
Standard | 2023-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N50RL | Stemme Ag STEMME S 12 |
Dzyne Technologies INC Foothill Ranch, California |
Standard | 2023-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N328LG | Stemme Ag STEMME S 12 |
Dzyne Technologies INC Foothill Ranch, California |
Experimental | 2023-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N281KR | Stemme Ag STEMME S 12 |
Adams Aviation Services INC Trustee Wilmington, Delaware |
Standard | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N630PC | Stemme Ag STEMME S 12 |
Co-owned owner Arizona |
Standard | 2023-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N512AL | Stemme Ag STEMME S 12 |
Dzyne Technologies INC Foothill Ranch, California |
Standard | 2023-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N512G | Stemme Ag STEMME S 12 |
Entrenext Aviation LLC Maitland, Florida |
Standard | 2022-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N5124D | Stemme Ag STEMME S 12 |
Individual owner Tennessee |
Standard | 2022-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N429RW | Stemme Ag STEMME S 12 |
Dzyne Technologies Foothill Ranch, California |
Standard | 2022-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N425PM | Stemme Ag STEMME S 12 |
Individual owner California |
Standard | 2021-10-05 | ValidFAA registration status code V: Valid registration. All codes |
| N52HK | Stemme Ag STEMME S 12 |
Dzyne Technologies INC Irvine, California |
Standard | 2021-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N9753 | Stemme Ag STEMME S 12 |
Southeast Soaring LLC Miami Beach, Florida |
Standard | 2021-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N80DS | Stemme Ag STEMME S 12 |
Narrow Arrow LLC Travelers Rest, South Carolina |
Standard | 2020-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N38PB | Stemme Ag STEMME S 12 |
Extreme Air LLC Santa Barbara, California |
Standard | 2020-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N29ST | Stemme Ag STEMME S 12 |
Shewmaker Air LLC Bentonville, Arkansas |
Standard | 2019-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N732MR | Stemme Ag STEMME S 12 |
Individual owner Alaska |
Standard | 2019-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N595MV | Stemme Ag STEMME S 12 |
Individual owner Florida |
Standard | 2018-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N887DL | Stemme Ag STEMME S 12 |
Csc Enterprises INC Atlanta, Georgia |
Standard | 2018-02-09 | ValidFAA registration status code V: Valid registration. All codes |