N21SP is not assigned to an aircraft right now: the number is reserved in the FAA registry. The FAA files list 1 earlier registration of this number, shown below.
Reserved N-number
- Reservation
- Reserved - renewal notice sent
- Reserved on
- Oct 20, 2025
- Reservation expires
- Aug 20, 2026
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Mar 10, 1999 | PILGRIM STEEN SKYBOLT | P3 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Apr 25, 2008 | Baton Rouge, LA | Beech C90 | Substantial | None | DFW08TA128 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.