Homebuilt S4 registrations
2 Homebuilt S4 aircraft on the FAA register (FAA model S4), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N60AT | 1990 | Homebuilt S4 |
| N67H | — | Homebuilt S4 |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
