The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4026S

N4026S is not currently registered. It was last assigned to a Hiller UH-12E built in 1978. The FAA cancelled the registration on November 4, 2002. 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.

N4026S is reserved by Boeing CO since November 26, 2024. Reservation type: Reserved to manufacturer, temporary number.

Hiller UH-12E cancelled November 4, 2002

Serial number
5055
Type
Rotorcraft · Piston (reciprocating)
Year built
1978
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
April 15, 1993
Last FAA action
April 16, 2002
Last owner
Bonanza Valley Aviation INC (Corporation)
Benson, MN
Airworthiness
Experimental · Research and development

Sikorsky S-65C3 cancelled January 18, 1973

Serial number
65351
Type
Rotorcraft · Turboshaft
Year built
1972
Last status
Valid registration
Exported to
Israel
Certificate issued
December 19, 1972
Last FAA action
—
Last owner
United Aircraft CORP (Corporation)
Stratford, CT
Airworthiness
None on file

NTSB accident and incident record under N4026S

CHI94LA022Accident on October 22, 1993 at Sioux Rapids, IA: no injuries, destroyed.

Aircraft on the NTSB record: Hiller UH12E · serial 5055

the Pilot in Command failed to maintain clearance with the terrain while proceeding up an upslope.

LAX82DA306Accident on August 20, 1982 at Chandler, AZ: no injuries, substantial damage.

Aircraft on the NTSB record: Hiller UH-12E · serial 5055

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