N477SH 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 |
|---|---|---|---|---|---|
| Aug 28, 2013 | ROBINSON HELICOPTER COMPANY R44 II | 10904 | 2005 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Apr 28, 2008 | Bartlett, TX | Robinson R44 | Substantial | Fatal | DFW08LA122 |
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.