N521HB 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 4, 2023
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Mar 4, 2023 | MCDONNELL DOUGLAS HELICOPTER 500N | LN084 | 1998 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Feb 20, 2022 | Newport Beach, CA | Mcdonnell Douglas 500N | Substantial | Fatal | WPR22FA101 |
| Oct 16, 2009 | Los Alamitos, CA | Mcdonnell Douglas Helicopter 500N | Substantial | None | WPR10TA025 |
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.