N604X is not registered to an aircraft right now. The FAA files list 2 earlier registrations of this number, shown below.
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Dec 14, 2009 | SHULTZ JEFFREY D SONEX | 604 | 2006 | ||
| Dec 22, 1975 | SIKORSKY S-55B | 55459 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Jun 25, 2009 | Mena, AR | Amateur-built SONEX | Substantial | None | CEN09CA391 |
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.