# N4978X: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: August 19, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4978X
- Page: https://openairdocs.org/aircraft/N4978X

## Aircraft that carried N4978X

- [Cancelled 2013-08-19](https://openairdocs.org/deregistered/N4978X-2013-08-19): Rockwell International S-2R, S/N 5023R, built 1975. Sale reported, canceled. Owner: [Lewiston, ID](https://openairdocs.org/faa-place/ID/Lewiston)

## NTSB investigations on N4978X (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA97LA088](https://openairdocs.org/ntsb/SEA97LA088), Apr 18, 1997: Rockwell S-2R (N4978X), Prescott, WA, substantial damage. Probable cause: failure of the pilot to maintain terrain clearance from uneven/hilly terrain.

## FAA accident and incident reports on N4978X (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19970418006149A](https://openairdocs.org/incident/19970418006149A), Apr 18, 1997: Ayres S2R (N4978X), Prescott, WA, Substantial damage. (.19) See NTSB #SEA97LA088
- [Accident 19860519018559A](https://openairdocs.org/incident/19860519018559A), May 19, 1986: Ayres S2RR1340REST (N4978X), Odessa, WA, Destroyed. Rough engine with smoke from engine compartment. Landed in a field and burned. NR1 cylinder had failed.

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