The U.S. aircraft register, updated daily
Models · Stemme Gmbh & Co · Gliders · data as of October 23, 2026

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 not named here at this time.

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
Built of
composite · A carbon-fibre motor glider.
Maker on the register
Stemme Gmbh & Co
Registered
earliest certificate August 14, 2018; newest August 13, 2026

Where they are owner's state

By state, as a table
aircraft
South Carolina2
Nevada1
Delaware1
California1

Who owns them registrant type

By owner type, as a table
aircraftshare
LLC360%
Corporation240%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
STEMME S 1252018 to 2026100.0%

When they were built by decade · 1 with no year on file

By decade built, as a table
aircraft
20101
20203

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20181
20251
20263

Registration status

By status, as a table
aircraftshare
Valid5100%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard480%
None on file120%

Biggest operators companies, schools and clubs

Stemme USA INC2Mtmc LLC1Extreme Air LLC1Circling Sky LLC1
Largest fleets, as a table
aircraft
Stemme USA INC2
Mtmc LLC1
Extreme Air LLC1
Circling 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. How models compare: Accidents by model in Aviation Analytics.

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 23, 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 not named on this site at this time.

When were the Stemme Gmbh & Co STEMME S 12s on the register built?

Between 2018 and 2026; half of them in 2025 or earlier.

What is the Stemme Gmbh & Co 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.

Connections how the STEMME S 12 links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record

The whole map of how records connect · these connections as data: /graph/model/stemme-gmbh-co/stemme-s-12.json.

Aircraft newest certificates first · 5

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N164ST Stemme Gmbh & Co
STEMME S 12
Stemme USA INC
West Columbia, South Carolina
None on file 2026-08-13 ValidFAA registration status code V: Valid registration. All codes
N120ST Stemme Gmbh & Co
STEMME S 12
Stemme USA INC
West Columbia, South Carolina
Standard 2026-05-05 ValidFAA registration status code V: Valid registration. All codes
N60TM Stemme Gmbh & Co
STEMME S 12
Mtmc LLC
Wilmington, Delaware
Standard 2026-03-30 ValidFAA registration status code V: Valid registration. All codes
N258SG Stemme Gmbh & Co
STEMME S 12
Circling Sky LLC
Reno, Nevada
Standard 2025-08-28 ValidFAA registration status code V: Valid registration. All codes
N40PB Stemme Gmbh & Co
STEMME S 12
Extreme Air LLC
Santa Barbara, California
Standard 2018-08-14 ValidFAA registration status code V: Valid registration. All codes