The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4334Z

N4334Z is not currently registered. It was last assigned to a Larson C/Watland S AERO COMP-6 built in 1999. The FAA cancelled the registration on November 27, 2007. The last status on file was "triennial registration form was mailed and has not been returned by the post office". The number has been on and off the register 3 times.

Larson C/Watland S AERO COMP-6 cancelled November 27, 2007

Serial number
AC6114
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1999
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
August 17, 1998
Last FAA action
October 16, 2007
Last owner
Larson Craig C (Partnership)
Fort Ripley, MN
Airworthiness
Experimental · Amateur built

Piper PA-28-181 cancelled July 28, 1992

Serial number
288490041
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Valid registration
Exported to
Germany
Certificate issued
July 16, 1992
Last FAA action
July 16, 1992
Last owner
Gregory Aviation Company (Corporation)
Des Moines, IA
Airworthiness
None on file

Piper PA-18-150 cancelled September 23, 1968

Serial number
18-8637
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1968
Last status
Valid registration
Exported to
Yugoslavia
Certificate issued
March 18, 1968
Last FAA action
—
Last owner
Piper Aircraft CORP (Corporation)
Lock Haven, PA
Airworthiness
None on file

NTSB accident and incident record under N4334Z

CHI06CA039Accident on November 30, 2005 at Brainerd, MN: serious injuries, substantial damage.

Aircraft on the NTSB record: Larson Aero Comp-6 · serial AC6114

The pilot/builder inadvertently reversed the aileron control systems during installation and failed to maintain control of the airplane during takeoff. A factor associated with the accident was the pilot/builder’s failure to perform an adequate aircraft preflight.

CHI01LA045Accident on December 8, 2000 at Brainerd, MN: no injuries, substantial damage.

Aircraft on the NTSB record: Larson AERO COMP-6 · serial AC6114

The pilot's inadequate preflight of the airplane which resulted in fuel exhaustion. Factors associated with the accident were the loose fuel cap and the snow covered terrain.

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