The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N3456X

N3456X is not currently registered. It was last assigned to a Mooney M20C built in 1966. The FAA cancelled the registration on September 18, 1989. The last status on file was "valid registration".

Mooney M20C cancelled September 18, 1989

Serial number
3411
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1966
Last status
Valid registration
Certificate issued
May 9, 1988
Last FAA action
—
Last owner
Finster John N (Individual)
Boca Raton, FL
Airworthiness
None on file

NTSB accident and incident record under N3456X

DEN89LA221Accident on September 18, 1989 at Neihart, MT: serious injuries, destroyed.

Aircraft on the NTSB record: Mooney M20C · serial 3411

VFR FLIGHT BY THE PILOT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC) AND HIS FAILURE TO MAINTAIN SUFFICIENT ALTITUDE. RELATED FACTORS WERE: THE HIGH TERRAIN AND ADVERSE WEATHER CONDITIONS.

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