N4052K is not currently registered. It was last assigned to a Robinson Helicopter R22 BETA built in 1991. The FAA cancelled the registration on September 27, 2013. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 3 times.
Robinson Helicopter R22 BETA cancelled September 27, 2013
- Serial number
- 1766
- Type
- Rotorcraft · Piston (reciprocating)
- Year built
- 1991
- Last status
- Registration expired, pending cancellation
- Certificate issued
- May 16, 1991
- Last FAA action
- February 1, 2001
- Last owner
- Spitzer Matthew (Co-owned)
Concord, CA - Airworthiness
- Standard · Normal
North American NAVION A cancelled February 11, 1954
- Serial number
- NAV-4-1052
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- Valid registration
- Certificate issued
- October 8, 1952
- Last FAA action
- —
- Last owner
- Eastern Aircraft Sales CORP (Corporation)
New York, NY - Airworthiness
- None on file
Balloon Works FIREFLY 6B cancelled date not given
- Serial number
- 10068
- Type
- Balloon · None
- 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 N4052K
Aircraft on the NTSB record: Robinson R22 Beta · serial 1766
the student's excessive rate of descent during a practice autorotation, and, the inadequate use of the rotorcraft flight controls by both pilots during the attempted recovery, which resulted in a hard landing. The flight instructor's inadequate supervision during the maneuver was also causal.
Aircraft on the NTSB record: Balloon Works FIREFLY 6B · serial 10068
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