N521NK 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
- 2-year hold after cancellation
- Reserved on
- Jan 16, 2024
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Jan 16, 2024 | AIRBUS A319-132 | 2797 | 2006 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Feb 15, 2020 | Sacramento, CA | Airbus A319 | - | None | ENG20LA016 |
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.