N446TN is not currently registered. It was last assigned to a Hughes Helicopters Inc HUGHES 369D. The FAA cancelled the registration on July 9, 1990. The last status on file was "n-number assigned but not yet registered".
Hughes Helicopters Inc HUGHES 369D cancelled July 9, 1990
- Serial number
- 1211037D
- Type
- Rotorcraft · Turboshaft
- Year built
- —
- Last status
- N-number assigned but not yet registered
- Certificate issued
- —
- Last FAA action
- —
- Last owner
- Withheld
- Airworthiness
- None on file
NTSB accident and incident record under N446TN
Aircraft on the NTSB record: Hughes 369D · serial 1211037D
THE MAINTENANCE PERSONNEL FAILED TO RECORD THE PREVIOUS FLIGHT TIME FOR THE OVERRUNNING CLUTCH ON AIRWORTHINESS CERTIFICATION DOCUMENTS WHEN THE ASSEMBLY WAS OVERHAULED. ALSO, CAUSAL TO THE ACCIDENT WAS THE OPERATION OF THE AIRCRAFT BY THE OPERATOR FOR 175 HOURS AFTER MANDATORY RETIREMENT TIME FOR THE SPRAGUE ASSEMBLY.
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