N4021Z is not currently registered. It was last assigned to an Andrew Philip Richardson Dba A55S. The FAA cancelled the registration on June 5, 2021. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 3 times.
Andrew Philip Richardson Dba A55S cancelled June 5, 2021
- Serial number
- 258
- Type
- Balloon · None
- Year built
- —
- Last status
- Registration expired, pending cancellation
- Certificate issued
- February 9, 2018
- Last FAA action
- February 9, 2018
- Last owner
- Richardson Andrew P (Individual)
Albuquerque, NM - Airworthiness
- None on file
Ayres Corporation S2R-T34 cancelled February 6, 1997
- Serial number
- T34028
- Type
- Fixed-wing, single engine · Turboprop
- Year built
- —
- Last status
- Valid registration
- Certificate issued
- April 4, 1990
- Last FAA action
- October 4, 1995
- Last owner
- Davis Perry L (Individual)
Moses Lake, WA - Airworthiness
- None on file
Piper PA-18-150 cancelled December 29, 1970
- Serial number
- 18-7973
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- Valid registration
- Certificate issued
- August 16, 1963
- Last FAA action
- —
- Last owner
- Alder George B (Individual)
Chattanooga, TN - Airworthiness
- None on file
NTSB accident and incident record under N4021Z
Aircraft on the NTSB record: Ayres S2R-T34AG · serial T34-028
THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN ADEQUATE ALTITUDE ABOVE THE TERRAIN. FACTORS INCLUDE HIS DIVERTED ATTENTION AND ATTEMPTED MANEUVER TO AVOID OBSTRUCTIONS.
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