N4321Z is not assigned to an aircraft right now: the number is reserved in the FAA registry. The FAA files list 2 earlier registrations of this number, shown below.
Reserved N-number
- Reservation
- Reserved - renewal notice sent
- Reserved on
- Oct 7, 2025
- Reservation expires
- Aug 7, 2026
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Oct 7, 2025 | BEECH 95-B55 (T42A) | TC-1463 | 1972 | ||
| Dec 23, 1969 | PIPER PA-18-150 | 18-8635 | CANADA |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| May 17, 2025 | Broomfield, CO | Beech 95-B55 (T42A) | Destroyed | Fatal | CEN25FA178 |
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.