# N4909X: Rockwell International S-2R, registration cancelled 1999-05-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 26, 1999
- Exported to: Canada
- 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: 2085R
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 23, 1981
- Last registry action: March 16, 1999
- Mode S code: A613C1
- Owner when cancelled: [Sunniland Aircraft Sales Inc](https://openairdocs.org/faa-owner/SUNNILAND%20AIRCRAFT%20SALES%20INC)
- Location: [Dover, DE](https://openairdocs.org/faa-place/DE/Dover)
- Owner type: Corporation
- Owner's area on the map: 39.1815° N, 75.4736° W: Placed by OpenAirDocs at the center of ZIP code 19901, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4909X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4909X
- Page: https://openairdocs.org/deregistered/N4909X-1999-05-26

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 MIA90LA146](https://openairdocs.org/ntsb/MIA90LA146), Jun 27, 1990: Ayres S-2R (N4909X), Fort Pierce, FL, destroyed. Probable cause: ENGINE FAILURE DUE TO FAILURE OF THE ENGINE DRIVEN FUEL PUMP SHAFT DUE TO UNDETERMINED REASONS.

## 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 19900627022689A](https://openairdocs.org/incident/19900627022689A), Jun 27, 1990: Ayres S2RR1340REST (N4909X), Fort Pierce, FL, Destroyed. Engine quit,crashed and burned. Fuel pump shaft failed. Carburetor worn and dirty. Engine crankshaft was run out.

---
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.