Homebuilt Interstate S1B4 registrations
1 Homebuilt Interstate S1B4 aircraft on the FAA register (FAA model INTERSTATE S1B4), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N383HR | 1985 | Homebuilt Interstate S1B4 |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
