# N4229X: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: April 5, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4229X
- Page: https://openairdocs.org/aircraft/N4229X

## Aircraft that carried N4229X

- [Cancelled 2013-04-05](https://openairdocs.org/deregistered/N4229X-2013-04-05): Robinson Helicopter R44 II, S/N 12644, built 2008. Exported to China. Owner: [Southwest Airmotive Corp](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRMOTIVE%20CORP), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson)
- [Cancelled 2004-05-20](https://openairdocs.org/deregistered/N4229X-2004-05-20): Rockwell International S-2R, S/N 1995R, built 1974. Triennial form not returned. Owner: [Bybee Stan W](https://openairdocs.org/faa-owner/BYBEE%20STAN%20W), [Nyssa, OR](https://openairdocs.org/faa-place/OR/Nyssa)

## NTSB investigations on N4229X (2)

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 SEA87LA151](https://openairdocs.org/ntsb/SEA87LA151), Jul 31, 1987: Rockwell S-2R (N4229X), Plymouth, WA, substantial damage
- [NTSB SEA76FYC48](https://openairdocs.org/ntsb/SEA76FYC48), May 6, 1976: Aero Comdr 600S2R (N4229X), Hermiston, OR, substantial damage

## FAA accident and incident reports on N4229X (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 19870731081039A](https://openairdocs.org/incident/19870731081039A), Jul 31, 1987: Ayres S2RRESTD (N4229X), Kennewick, WA, Substantial damage. Engine lost power on a spray run due to a broken cylinder. Aircraft nosed over in a potato field.
- [Accident 19760506012119A](https://openairdocs.org/incident/19760506012119A), May 6, 1976: Ayres S2R (N4229X), Hermiston, OR, Substantial damage. Complete failure of impeller shaft,housing and impeller.

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