# N4237X: 1974 Rockwell International S-2R, registration cancelled 2004-06-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 29, 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: 2008R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: July 11, 1974
- Certificate issued: April 13, 1995
- Last registry action: April 20, 2004
- Mode S code: A50A27
- Owners when cancelled: [Faunce Gregory R DBA](https://openairdocs.org/faa-owner/FAUNCE%20GREGORY%20R%20DBA), [Faunce Ag Aviation](https://openairdocs.org/faa-owner/FAUNCE%20AG%20AVIATION)
- Location: [Tekoa, WA](https://openairdocs.org/faa-place/WA/Tekoa)
- Owner type: Individual
- Owner's area on the map: 47.2306° N, 117.0978° W: Placed by OpenAirDocs at the center of ZIP code 99033, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4237X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4237X
- Page: https://openairdocs.org/deregistered/N4237X-2004-06-29

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 SEA01LA146](https://openairdocs.org/ntsb/SEA01LA146), Aug 4, 2001: Rockwell S-2R (N4237X), Latah, WA, substantial damage. Probable cause: the failure of a cylinder head exhaust rocker shaft boss while the aircraft was performing aerial application. Factors include soft terrain and a drop-off in the field where the emergency landing…
- [NTSB OAK76DVA81](https://openairdocs.org/ntsb/OAK76DVA81), Jul 30, 1976: Aero Comdr 600S2R (N4237X), Firebaugh, CA, 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 20010804020689A](https://openairdocs.org/incident/20010804020689A), Aug 4, 2001: Ayres S2R (N4237X), Latah, WA, No damage. (-23) The pilot had just finished spraying a field with a pre-harvest topcoat of roundup when he noticed the engine lose power and start popping. He said he…
- [Accident 19760730021999A](https://openairdocs.org/incident/19760730021999A), Jul 30, 1976: Ayres S2R (N4237X), Firebaugh, CA, Substantial damage. Acft collided with canal bank.

## Other aircraft with N4237X

- [Registered now](https://openairdocs.org/aircraft/N4237X): Robinson Helicopter R44 II, S/N 12678, built 2009

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