The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4921X

N4921X is not currently registered. It was last assigned to a Rockwell International S-2R. The last status on file was "triennial registration form was mailed and has not been returned by the post office".

Rockwell International S-2R cancelled date not given

Serial number
2117R
Type
Fixed-wing, single engine · Turboprop
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N4921X

MKC86LA126Accident on June 7, 1986 at Hickory Ridge, AR: no injuries, substantial damage.

Aircraft on the NTSB record: Rockwell S-2R · serial 2117R

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