The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4187X

N4187X is not currently registered. It was last assigned to a Rockwell International S-2R built in 1974. The FAA cancelled the registration on April 17, 2013. The last status on file was "registration expired, pending cancellation".

Rockwell International S-2R cancelled April 17, 2013

Serial number
1949R
Type
Fixed-wing, single engine · Turboprop
Year built
1974
Last status
Registration expired, pending cancellation
Certificate issued
October 17, 1983
Last FAA action
August 9, 2001
Last owner
Henderson Jack (Co-owned)
Coalinga, CA
Airworthiness
Restricted · Agriculture and pest control

NTSB accident and incident record under N4187X

LAX83LA146Accident on March 17, 1983 at Corcoran, CA: no injuries, substantial damage.

Aircraft on the NTSB record: Rockwell S-2R · serial 1945R

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