N139SB 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
- Mar 22, 2026
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Mar 22, 2026 | BRISENO SAMUEL KOLB FIREFLY | FF00-2-00013 | 2003 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Sep 13, 2025 | Cave Junction, OR | Amateur-built KOLB FIREFLY | Substantial | Serious | WPR25LA287 |
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.