The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4956

N4956 is not currently registered. It was last assigned to a Grunska Norman KITFOX IV built in 1995. The FAA cancelled the registration on June 13, 2008. 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 2 times.

Grunska Norman KITFOX IV cancelled June 13, 2008

Serial number
1428
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1995
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
March 12, 1993
Last FAA action
April 15, 2008
Last owner
Grunska Norman C (Individual)
Neenah, WI
Airworthiness
Experimental · Amateur built

Grumman Acft Eng Cor-Schweizer G-164A cancelled date not given

Serial number
1097
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
N-number assigned but not yet registered
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N4956

CHI00LA130Accident on May 2, 2000 at Neenah, WI: minor injuries, substantial damage.

Aircraft on the NTSB record: Grunska KITFOX IV · serial 1428

the pilot's failure to maintain driectional control of the airplane while landing. A factor associated with the accident was the tree that the airplane contacted.

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