Homebuilt S1S registrations
2 Homebuilt S1S aircraft on the FAA register (FAA model S1S), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N88WS | 1974 | Homebuilt S1S |
| N714H | — | Homebuilt S1S |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
