The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4976X

N4976X is not currently registered. It was last assigned to an Ultralight Air Company QUICKSILVER MX II. The FAA cancelled the registration on June 24, 1988. The last status on file was "n-number assigned but not yet registered".

Ultralight Air Company QUICKSILVER MX II cancelled June 24, 1988

Serial number
1903
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 N4976X

CHI86FEE05Accident on July 4, 1986 at Aurora, IL: serious injuries, substantial damage.

Aircraft on the NTSB record: Eipper MXII · serial 1903

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