Homebuilt S-21 Outbound registrations
1 Homebuilt S-21 Outbound aircraft on the FAA register (FAA model S-21 OUTBOUND), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N474BS | — | Homebuilt S-21 Outbound |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
