Schweizer SGU-1
20 on the U.S. register across 3 versions the FAA records separately. Built from 1946 to 1956; half of them date from 1946 or earlier. Texas has the most (3). 15% 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 SGU-1 from the FAA's model table
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 13 | 65% |
| Co-owned | 4 | 20% |
| Corporation | 2 | 10% |
| Partnership | 1 | 5% |
Versions as the FAA records them · click one to list only those aircraft
When they were built by decade · 2 with no year on file
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 16 | 80% |
| Experimental | 3 | 15% |
| None on file | 1 | 5% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Flying L Aircraft INC | 1 |
| Byars Guy F | 1 |
| Antique Preservation Assoc Greenfld | 1 |
Fleet pages: Flying L Aircraft INC
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 Schweizer SGU-1 aircraft are registered in the U.S.?
20 as of October 28, 2026, counting 3 versions the FAA records separately.
Which state has the most Schweizer SGU-1s?
Texas, with 3.
Who owns the Schweizer SGU-1?
15% 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 Schweizer SGU-1s on the register built?
Between 1946 and 1956; half of them in 1946 or earlier.
What is the Schweizer SGU-1 made of?
A welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. Steel-tube fuselage under fabric, aluminium wings. 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 Schweizer SGU-1 the component layer
A welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. Steel-tube fuselage under fabric, aluminium wings. The design is held under 1 type certificate (G-17, held by K & L Soaring LLC). The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this model, most of them about other and general. 7 approved modifications exist for it, the most by Ceconite INC.
FAA orders 2 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Other and general | 2 | 100% |
Approved replacement parts 22 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: wing strut (2), vertical fin (2), stabilizer strut (2), rudder (2), jury strut (2), horizontal tail (2), gap cover (2), fuselage (2), fin fairing (2).
Approved modifications 7 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
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 SGU-1 links to the rest of the register
- Schweizer 1,187 aircraft on the register
- Schweizer SGU-1-19 16 registered
- Schweizer SGU-1-20 3 registered
- Schweizer SGU-1-19A 1 registered
- Built of steel tube and aluminium · Steel-tube fuselage under fabric, aluminium wings.
- Texas 3 of these aircraft
- Pennsylvania 3 of these aircraft
- Kansas 3 of these aircraft
- Illinois 2 of these aircraft
- Georgia 2 of these aircraft
- Flying L Aircraft INC 1 of these aircraft
- Byars Guy F 1 of these aircraft
- Antique Preservation Assoc Greenfld 1 of these aircraft
- NTSB accidents and incidents involving the SGU-1 0 cases since 1982 · 0 fatal
- FAA orders naming the SGU-1 2 airworthiness directives
- Approved modifications for the SGU-1 7 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/schweizer/sgu-1.json.
Aircraft newest certificates first · 20
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N91810 | Schweizer SGU-1-19 |
Individual owner Texas |
Standard | 2026-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N91812 | Schweizer SGU-1-19 |
Individual owner Illinois |
Standard | 2025-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N91815 | Schweizer SGU-1-19 |
Co-owned owner Georgia |
Standard | 2025-10-31 | ValidFAA registration status code V: Valid registration. All codes |
| N91808 | Schweizer SGU-1-19 |
Co-owned owner Kansas |
Standard | 2024-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N91817 | Schweizer SGU-1-19 |
Individual owner Texas |
Standard | 2022-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N91840 | Schweizer SGU-1-20 |
Byars Guy F Goshen, Ohio |
Experimental | 2021-01-13 | ValidFAA registration status code V: Valid registration. All codes |
| N91809 | Schweizer SGU-1-19 |
Individual owner Illinois |
Standard | 2016-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N91824 | Schweizer SGU-1-19 |
Individual owner Georgia |
None on file | 2014-11-03 | ValidFAA registration status code V: Valid registration. All codes |
| N91883 | Schweizer SGU-1-19 |
Individual owner Pennsylvania |
Standard | 2013-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N91850 | Schweizer SGU-1-19 |
Co-owned owner Kansas |
Standard | 2012-02-02 | ValidFAA registration status code V: Valid registration. All codes |
| N37HH | Schweizer SGU-1-20 |
Individual owner Pennsylvania |
Experimental | 2007-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N91818 | Schweizer SGU-1-19 |
Individual owner California |
Standard | 2005-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N33519 | Schweizer SGU-1-19 |
Individual owner Michigan |
Standard | 2003-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N91807 | Schweizer SGU-1-19 |
Flying L Aircraft INC Fort Denaud, Florida |
Standard | 2002-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2295M | Schweizer SGU-1-19 |
Individual owner Texas |
Standard | 2000-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N40278 | Schweizer SGU-1-19A |
Co-owned owner Kansas |
Standard | 1998-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N93221 | Schweizer SGU-1-19 |
Individual owner Virginia |
Standard | 1990-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2708A | Schweizer SGU-1-20 |
Antique Preservation Assoc Greenfld Greenfield, Iowa |
Experimental | 1990-01-08 | ValidFAA registration status code V: Valid registration. All codes |
| N91805 | Schweizer SGU-1-19 |
Individual owner New Jersey |
Standard | 1984-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N91825 | Schweizer SGU-1-19 |
Individual owner Pennsylvania |
Standard | 1982-04-26 | ValidFAA registration status code V: Valid registration. All codes |