N21TH is not assigned to an aircraft right now: the number is reserved in the FAA registry. The FAA files list 3 earlier registrations of this number, shown below.
Reserved N-number
- Reservation
- Reserved (fee paid)
- Reserved on
- Sep 24, 2026
- Reservation expires
- Jul 24, 2027
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Sep 24, 2026 | EUROCOPTER EC 130 B4 | 4165 | CANADA | ||
| Sep 4, 2020 | SCHEMPP-HIRTH DISCUS-2B | 91 | 2001 | ||
| Mar 17, 1977 | BEECH 35-C33 | CD-1013 | 1966 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Jun 22, 2017 | Bishop, CA | Schempp-Hirth DISCUS 2B | Substantial | Minor | GAA17CA368 |
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.