# N3647X: 1975 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: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 2150R
- Year built: 1975
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: February 3, 1975
- Certificate issued: May 15, 2023
- Expires: May 31, 2030
- Mode S code: A41E8B
- Registered owner: [Sheffield Flying Service LLC](https://openairdocs.org/faa-owner/SHEFFIELD%20FLYING%20SERVICE%20LLC)
- Location: [Iron City, GA](https://openairdocs.org/faa-place/GA/Iron%20City)
- Owner type: LLC
- Owner's area on the map: 30.9876° N, 84.8128° W: Placed by OpenAirDocs at the center of ZIP code 39859, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3647X
- Page: https://openairdocs.org/aircraft/N3647X

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 Pratt & Whitney R1340 model are included.

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

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

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## 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 MIA85LA222](https://openairdocs.org/ntsb/MIA85LA222), Jul 30, 1985: Rockwell S-2R (N3647X), Colquitt, GA, substantial damage

## 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 19850730035089A](https://openairdocs.org/incident/19850730035089A), Jul 30, 1985: Ayres S2RR1340REST (N3647X), Colquitt, GA, Destroyed. Cracked cylinder head caused engine failure. Flipped over landing in a field. No cause found for cracked cylinder.

## 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.

## Related

- Other Rockwell International S-2R aircraft: https://openairdocs.org/model/rockwell-international-s-2r/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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