The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N5966X

N5966X is not currently registered. It was last assigned to a Helio H-250 built in 1965. The FAA cancelled the registration on April 25, 2013. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 2 times.

Helio H-250 cancelled April 25, 2013

Serial number
2529
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1965
Last status
Registration expired, pending cancellation
Certificate issued
June 9, 1994
Last FAA action
October 17, 2006
Last owner
Omh INC (Corporation)
Albany, OR
Airworthiness
Standard · Normal

Brantly B-2 cancelled December 14, 1962

Serial number
108
Type
Rotorcraft · Piston (reciprocating)
Year built
—
Last status
Valid registration
Exported to
Canada
Certificate issued
June 20, 1961
Last FAA action
—
Last owner
Kite Helicopter CORP (Corporation)
Ambler, PA
Airworthiness
None on file

NTSB accident and incident record under N5966X

ANC84LA034Accident on February 1, 1984 at Iliamna, AK: serious injuries, substantial damage.

Aircraft on the NTSB record: Helio H-250 · serial 2529

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