# N4251X: Rockwell International S-2R, registration cancelled 1992-06-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 10, 1992
- Status when cancelled: Triennial form not returned
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Serial number: 2033R
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 21, 1980
- Last registry action: May 19, 1992
- Mode S code: A510C3
- Owner when cancelled: [Ruhe Sales Inc](https://openairdocs.org/faa-owner/RUHE%20SALES%20INC)
- Location: [Leipsic, OH](https://openairdocs.org/faa-place/OH/Leipsic)
- Owner type: Corporation
- Owner's area on the map: 41.1118° N, 83.9998° W: Placed by OpenAirDocs at the center of ZIP code 45856, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4251X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4251X
- Page: https://openairdocs.org/deregistered/N4251X-1992-06-10

From the FAA registry file of November 5, 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 (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 FTW79FRJ20](https://openairdocs.org/ntsb/FTW79FRJ20), Aug 15, 1979: Rockwell S-2R (N4251X), Waterproof, LA, destroyed, 1 fatal

## FAA accident and incident reports (1)

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 19790815021999A](https://openairdocs.org/incident/19790815021999A), Aug 15, 1979: Ayres S2R (N4251X), Waterproof, LA, Destroyed. Witness saw the ag aircraft make a steep pull-up and descended to the ground in a steep dive.

## Other aircraft with N4251X

- [Cancelled 2011-02-23](https://openairdocs.org/deregistered/N4251X-2011-02-23): Thompson Eldon L KR 1, S/N 4934. Assigned (non-type certificated), pending cancellation

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