The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4978X

N4978X is not currently registered. It was last assigned to a Rockwell International S-2R built in 1975. The FAA cancelled the registration on August 19, 2013. The last status on file was "sale reported, canceled".

Rockwell International S-2R cancelled August 19, 2013

Serial number
5023R
Type
Fixed-wing, single engine · Turboprop
Year built
1975
Last status
Sale reported, canceled
Certificate issued
—
Last FAA action
June 4, 1998
Last owner
Sale Reported (Individual)
Lewiston, ID
Airworthiness
Restricted · Agriculture and pest control

NTSB accident and incident record under N4978X

SEA97LA088Accident on April 18, 1997 at Prescott, WA: serious injuries, substantial damage.

Aircraft on the NTSB record: Rockwell S-2R · serial 5023R

failure of the pilot to maintain terrain clearance from uneven/hilly terrain.

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