Homebuilt S-21 registrations
1 Homebuilt S-21 aircraft on the FAA register (FAA model S-21), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N313L | — | Homebuilt S-21 |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
