# N4977X: 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: May 30, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4977X
- Page: https://openairdocs.org/aircraft/N4977X

## Aircraft that carried N4977X

- [Cancelled 2018-05-30](https://openairdocs.org/deregistered/N4977X-2018-05-30): Rockwell International S-2R, S/N 5022R, built 1975. Sale reported, canceled. Owner: [Sacramento, CA](https://openairdocs.org/faa-place/CA/Sacramento)

## NTSB investigations on N4977X (3)

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 WPR11LA094](https://openairdocs.org/ntsb/WPR11LA094), Jan 10, 2011: Rockwell International S-2R (N4977X), Oakley, CA, substantial damage, 1 fatal. Probable cause: An in-flight collision with an unmarked meteorological evaluation tower (MET) during an aerial application flight due to the pilot's failure to see and avoid the obstacle. Contributing to the…
- [NTSB LAX94LA158](https://openairdocs.org/ntsb/LAX94LA158), Mar 11, 1994: Rockwell S-2R (N4977X), Tacna, AZ, substantial damage. Probable cause: a catastrophic internal engine failure for undetermined reasons. A factor in the accident was the dark nighttime lighting conditions.
- [NTSB LAX89DUJ10](https://openairdocs.org/ntsb/LAX89DUJ10), Sep 14, 1989: Ayres S-2R (N4977X), Yuma, AZ, substantial damage. Probable cause: THE FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL AFTER LANDING ON A DRY GRAVEL RUNWAY.

## FAA accident and incident reports on N4977X (3)

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 20110110000469A](https://openairdocs.org/incident/20110110000469A), Jan 10, 2011: Rockwell In S-2R (N4977X), Oakley, CA, Destroyed, 1 fatal. On JANUARY10, 2011, at 1057 PST, a Rockwell S2R N4977X registered to alexander ag flying was flying below 200 feet heading approximately 210 degrees as he flew…
- [Accident 19940310007189A](https://openairdocs.org/incident/19940310007189A), Mar 10, 1994: Ayres S2RR1820 (N4977X), Tacna, AZ, Substantial damage. Engine siezed on short final. Landed adjacent to runway. Struck a berm. Engine sustained catastrophic failure.
- [Accident 19890914034899A](https://openairdocs.org/incident/19890914034899A), Sep 14, 1989: Ayres S2RRESTD (N4977X), Yuma, AZ, Substantial damage. Veered to edge of runway on landing. Main wheel dug into soft dirt on edge of runway flipping aircraft over.

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