# N4229X: 1974 Rockwell International S-2R, registration cancelled 2004-05-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 20, 2004
- Status when cancelled: Triennial form not returned
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1995R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 18, 1974
- Certificate issued: March 30, 1992
- Last registry action: February 17, 2004
- Mode S code: A506B6
- Owners when cancelled: [Bybee Stan W](https://openairdocs.org/faa-owner/BYBEE%20STAN%20W), [Bybee Margot](https://openairdocs.org/faa-owner/BYBEE%20MARGOT)
- Location: [Nyssa, OR](https://openairdocs.org/faa-place/OR/Nyssa)
- Owner type: Co-owned
- Owner's area on the map: 43.6344° N, 117.2779° W: Placed by OpenAirDocs at the center of ZIP code 97913, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4229X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4229X
- Page: https://openairdocs.org/deregistered/N4229X-2004-05-20

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Rockwell International S-2R: https://openairdocs.org/model/rockwell-international-s-2r.md

## NTSB investigations (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 (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.

## Other aircraft with 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)

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