The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Models · Stol · Piston twins · data as of October 2, 2026

Stol UC-1

8 on the U.S. register. Built from 1972 to 1982; half of them date from 1980 or earlier. California has the most (2). 25% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.

About the UC-1 from the FAA's model table

Type
Fixed-wing, multi-engine · Piston twins
Power
Piston (reciprocating), 2 engines
Common engines
Lycoming I0360 Ser (6), Lycoming Io-360-B1D (1)
Seats
5
Cruise speed
about 135 mph
Maker on the register
Stol
Registered
earliest certificate November 27, 2017; newest January 12, 2024

Where they are owner's state

California2Washington1Virginia1Texas1Tennessee1Delaware1Alaska1

Who owns them registrant type

Individual5 (62%)LLC2 (25%)Co-owned1 (12%)

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

VersionRegisteredBuiltShare
UC-181972 to 1982100.0%

When they were built by decade · 5 with no year on file

001221197021980

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

01223120171202012021120223202312024

Registration status

Valid8 (100%)

Airworthiness certificate class

Standard7 (88%)None on file1 (12%)

Biggest operators companies, schools and clubs

Twin Bee LLC1Aom Aircraft LLC1

Fleet pages: Aom Aircraft LLC

Accident history NTSB records · 2 cases since 1982, 1 fatal

1996-07-16FTW96LA305 · UC-1 N9507U · accident near Princeton, TX · no injuries
1995-05-21LAX95LA190 · UC-1 N108CA · accident near Saipan · 3 killed

The 2 most recent of 2 cases where the NTSB's make and model match this family's versions. Rates per registered aircraft, phases of flight and causes are coming with the analytics stage. Each aircraft's own page also shows its record.

Questions people ask answers refresh every morning

How many Stol UC-1 aircraft are registered in the U.S.?

8 as of October 2, 2026, counting 1 version the FAA records separately.

Which state has the most Stol UC-1s?

California, with 2.

Who owns the Stol UC-1?

25% 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 · 8 UC-1 (all versions)

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N250MP Stol
UC-1
Individual owner
California
Standard 2024-01-12 Valid
N9503U Stol
UC-1
Aom Aircraft LLC
Wilmington, Delaware
Standard 2023-11-19 Valid
N25BY Stol
UC-1
Individual owner
Alaska
Standard 2023-06-01 Valid
N940Y Stol
UC-1
Individual owner
Tennessee
Standard 2023-05-12 Valid
N9512U Stol
UC-1
Individual owner
Washington
Standard 2022-08-25 Valid
N123BR Stol
UC-1
Twin Bee LLC
Groveland, California
Standard 2021-01-26 Valid
N950CB Stol
UC-1
Co-owned owner
Virginia
None on file 2020-05-14 Valid
N950TB Stol
UC-1
Individual owner
Texas
Standard 2017-11-27 Valid