# N4171X: 1974 Rockwell International S-2R, registration cancelled 1974-05-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 7, 1974
- Exported to: Mexico
- Status when cancelled: Valid registration
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Engine: [Pratt & Whitney R-1340-AN-1](https://openairdocs.org/engine/pratt-whitney-r-1340-an-1) (registry code 51612)
- Serial number: 1938R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 30, 1974
- Mode S code: A4F0B2
- Owner when cancelled: [Progreso Aviation](https://openairdocs.org/faa-owner/PROGRESO%20AVIATION)
- Location: [San Benito, TX](https://openairdocs.org/faa-place/TX/San%20Benito)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4171X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4171X
- Page: https://openairdocs.org/deregistered/N4171X-1974-05-07

From the FAA registry file of November 7, 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

## Other aircraft with N4171X

- [Registered now](https://openairdocs.org/aircraft/N4171X): Piper PA-28-181, S/N 2843349, built 2000

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