N521ZZ is not currently registered. It was last assigned to a Hughes Helicopters Inc HUGHES 369D. The FAA cancelled the registration on April 1, 1998. The last status on file was "triennial registration form was mailed and has not been returned by the post office".
Hughes Helicopters Inc HUGHES 369D cancelled April 1, 1998
- Serial number
- 970190D
- Type
- Rotorcraft · Turboshaft
- Year built
- —
- Last status
- Triennial registration form was mailed and has not been returned by the Post Office
- Certificate issued
- February 2, 1995
- Last FAA action
- January 21, 1998
- Last owner
- Big Eye Helicopters INC (Corporation)
Tumon, GU - Airworthiness
- None on file
NTSB accident and incident record under N521ZZ
Aircraft on the NTSB record: Hughes 369D · serial 970190D
The pilot's failure to adequately compensate for the wind condition and failure to maintain a proper rate of descent which resulted in the inadvertent loss of tail rotor effectiveness during a downwind turn.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site