The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N9644B

N9644B is not currently registered. It was last assigned to a Cessna 172RG. The FAA cancelled the registration on September 10, 1981 when the aircraft was exported to Australia. The last status on file was "valid registration". The number has been on and off the register 2 times.

Cessna 172RG cancelled September 10, 1981

Serial number
172RG0940
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Valid registration
Exported to
Australia
Certificate issued
—
Last FAA action
—
Last owner
Transair INC (Corporation)
Vacaville, CA
Airworthiness
None on file

Mooney Aircraft Corp. M20K cancelled date not given

Serial number
250527
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N9644B

CHI84LA045Accident on November 18, 1983 at Buffalo, MN: minor injuries, substantial damage.

Aircraft on the NTSB record: Mooney M-20K · serial 25-0527

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