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
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.
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.
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
