N91WW 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
- Nov 4, 2025
- Reservation expires
- Sep 4, 2026
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Jul 23, 2020 | FLIGHT DESIGN GMBH CTSW | 06-08-20 | 2006 | ||
| Mar 11, 2004 | SMITH AEROSTAR 600 | 60-0262-105 | 1975 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Dec 20, 2019 | Delaware, OH | Flight Design CTSW | Substantial | Minor | CEN20CA039 |
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.