N21999 is not registered to an aircraft right now. The FAA files list 1 earlier registration of this number, shown below.
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Sep 4, 2013 | CESSNA 150L | 15074600 | 1973 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Jan 11, 2009 | Pescadero, CA | Cessna 150L | Substantial | Minor | WPR09CA078 |
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.