The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N6639R

N6639R is not currently registered. It was last assigned to a Hughes OH-6A. The FAA cancelled the registration on August 7, 2021. The last status on file was "valid registration". The number has been on and off the register 3 times.

Hughes OH-6A cancelled August 7, 2021

Serial number
66-07874
Type
Rotorcraft · Turboshaft
Year built
—
Last status
Valid registration
Certificate issued
June 14, 2011
Last FAA action
January 13, 2020
Last owner
Usda Aphis Ws Atoc (Government)
Cedar City, UT
Airworthiness
None on file

Beech A36 cancelled September 11, 1989

Serial number
E1534
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

Beech C-45H cancelled March 23, 1971

Serial number
52-10635
Type
Fixed-wing, multi-engine · Turboprop
Year built
—
Last status
Valid registration
Certificate issued
—
Last FAA action
—
Last owner
Consolidated Air Parts CO (Corporation)
N Hollywood, CA
Airworthiness
None on file

NTSB accident and incident record under N6639R

WPR21LA107Accident on February 5, 2021 at Horseshoe Bend, ID: serious injuries, substantial damage.

Aircraft on the NTSB record: Hughes OH-6A · serial 66-078784

A partial loss of engine power due to a leak in the fuel cell outlet valve.

LAX05TA008Accident on October 15, 2004 at Jacumba, CA: no injuries, substantial damage.

Aircraft on the NTSB record: Hughes OH-6A · serial 66-7874

the pilot's failure to maintain adequate clearance from the mountainous terrain, which resulted in the helicopter's tail rotor blades impacting rocks. A factor in the accident was the pilot's complacency.

FTW89FA023Accident on November 20, 1988 at Oklahoma City, OK: fatal, destroyed (2 fatal).

Aircraft on the NTSB record: Beech A36 · serial E-1534

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