# N5421X: 1974 Rockwell International S-2R

- Status: Valid registration
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202, 1 seats)
- Engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020)
- Serial number: 2020R
- Year built: 1974
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: October 5, 1982
- Certificate issued: June 10, 2005
- Expires: July 31, 2027
- Mode S code: A6E1EB
- Registered owner: [Haley Flying Service Inc](https://openairdocs.org/faa-owner/HALEY%20FLYING%20SERVICE%20INC)
- Location: [Tracy, CA](https://openairdocs.org/faa-place/CA/Tracy)
- Owner type: Corporation
- Owner's area on the map: 37.6806° N, 121.3816° W: Placed by OpenAirDocs at the center of ZIP code 95304, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5421X
- Page: https://openairdocs.org/aircraft/N5421X

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Wright R-1820 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Rockwell International S-2R)

None in force.

### Matched by engine (Wright R-1820 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5421X.

## FAA accident and incident reports

None matched to N5421X.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N5421X

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5421X before.

- [Cancelled 2007-10-26](https://openairdocs.org/deregistered/N5421X-2007-10-26): Cessna TU206G, S/N U20605737, built 1980. Exported to Mexico. Owner: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)

## Related

- Other Rockwell International S-2R aircraft: https://openairdocs.org/model/rockwell-international-s-2r/aircraft.md
- The Wright R-1820 series engine: https://openairdocs.org/engine/wright-r-1820-series.md

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