# N4930X: 1974 Rockwell International S-2R, registration cancelled 2012-12-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 18, 2012
- Status when cancelled: Registration expired, pending cancellation
- 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: 2132R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Certificate issued: June 22, 1977
- Last registry action: September 15, 1984
- Mode S code: A61DAB
- Owner when cancelled: [Salyer Farms Airport](https://openairdocs.org/faa-owner/SALYER%20FARMS%20AIRPORT)
- Location: [Corcoran, CA](https://openairdocs.org/faa-place/CA/Corcoran)
- Owner type: Corporation
- Owner's area on the map: 36.0142° N, 119.5630° W: Placed by OpenAirDocs at the center of ZIP code 93212, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4930X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4930X
- Page: https://openairdocs.org/deregistered/N4930X-2012-12-18

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 LAX93LA303](https://openairdocs.org/ntsb/LAX93LA303), Jul 28, 1993: Ayres S2R (N4930X), Stratford, CA, destroyed. Probable cause: THAT THE PILOT MISJUDGED THE AIRPLANE'S ALTITUDE. FACTORS RELATING TO THIS ACCIDENT WERE THE PILOT'S FATIGUE AND THE LIGHT CONDITIONS.
- [NTSB LAX91LA109](https://openairdocs.org/ntsb/LAX91LA109), Feb 18, 1991: Rockwell S2R-600 (N4930X), Corcoran, CA, substantial damage. Probable cause: FAILURE OF THE AIRCRAFT ENGINE'S FUEL PUMP VALVE ASSEMBLY BYPASS.

## 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 19930728025929A](https://openairdocs.org/incident/19930728025929A), Jul 28, 1993: Ayres S2RRESTD (N4930X), Stratford, CA, Destroyed. Turned right after takeoff from dirt strip saw wires tried to avoid same and struck a power pole. Crashed. Burned.
- [Accident 19910218002789A](https://openairdocs.org/incident/19910218002789A), Feb 18, 1991: Ayres S2RR1340REST (N4930X), Corcoran, CA, Substantial damage. Engine quit on initial climb. Nosed over landing in soft soil. Engine fuel pump valve assembly by pass had failed.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.