Schweizer SGS 1 gliders (1-26, 1-34, 1-35, 1-36)
581 on the U.S. register across 22 versions the FAA records separately. Built from 1951 to 1985; half of them date from 1970 or earlier. California has the most (65). 34% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the SGS 1 from the FAA's model table
Where they are owner's state
Who owns them registrant type
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| SGS 1-26E | 131 | 1970 to 1980 | 22.5% |
| SGS 1-26B | 92 | 1956 to 1970 | 15.8% |
| SGS 1-26A | 64 | 1951 to 1969 | 11.0% |
| SGS 1-26C | 55 | 1959 to 1983 | 9.5% |
| SGS 1-26D | 50 | 1968 to 1970 | 8.6% |
| SGS 1-34 | 45 | 1969 to 1974 | 7.7% |
| SGS 1-36 | 28 | 1980 to 1985 | 4.8% |
| SGS 1-35 | 28 | 1974 to 1976 | 4.8% |
| SGS 1-35C | 26 | 1976 to 1981 | 4.5% |
| SGS 1-26 | 15 | 1954 to 1965 | 2.6% |
| SGS 1-23H-15 | 10 | 1960 to 1966 | 1.7% |
| SGS 1-23 | 9 | 1949 to 1952 | 1.5% |
| SGS 1-34R | 6 | 1972 to 1977 | 1.0% |
| SGS 1-23H | 5 | 1960 to 1964 | 0.9% |
| SGS 1-23G | 5 | 1958 to 1959 | 0.9% |
| SGS 1-23D | 5 | 1953 to 1956 | 0.9% |
| SGS 1-35A | 2 | 1976 | 0.3% |
| SGS 1-23F | 1 | 1956 | 0.2% |
| SGS 1-23E | 1 | 1955 | 0.2% |
| SGS 1-23C | 1 | 1952 | 0.2% |
| SGS 1-23B | 1 | 1952 | 0.2% |
| SGS 1-21 | 1 | — | 0.2% |
When they were built by decade · 102 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Airworthiness certificate class
Biggest operators companies, schools and clubs
Fleet pages: Kendall Flying Services LLC · Sky Sailing INC · K & L Soaring LLC · Cumberland Soaring Group INC · Aero Club Albatross · Tampa Bay Soaring Society INC · North Carolina Soaring Association · Lake Elsinore Soaring Club
Accident history NTSB records · 92 cases since 1982, 20 fatal
The 8 most recent of 92 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 Schweizer SGS 1 aircraft are registered in the U.S.?
581 as of October 2, 2026, counting 22 versions the FAA records separately.
Which state has the most Schweizer SGS 1s?
California, with 65.
Who owns the Schweizer SGS 1?
34% 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 SGS 1-23G (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N3897A | Schweizer SGS 1-23G |
Individual owner California |
Standard | 2025-06-21 | Valid |
| N3846A | Schweizer SGS 1-23G |
Co-owned owner Wisconsin |
Standard | 2022-05-18 | Valid |
| N3899A | Schweizer SGS 1-23G |
Individual owner New Jersey |
Standard | 2021-11-13 | Valid |
| N3842A | Schweizer SGS 1-23G |
Shenandoah Valley Soaring INC Nellysford, Virginia |
Standard | 2020-08-11 | Valid |
| N3864A | Schweizer SGS 1-23G |
Individual owner Alaska |
Standard | 1993-05-06 | Valid |