# N4001X: 1978 Ayres S2R-600

- Status: Non-citizen corporation, flight hours not reported
- Airframe: [Ayres S2R-600](https://openairdocs.org/model/ayres-s2r-600) (registry code 0970102, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 2469R
- Year built: 1978
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Certificate issued: May 7, 2024
- Expires: May 31, 2031
- Mode S code: A4AF32
- Registered owner: [North Applicair Corp](https://openairdocs.org/faa-owner/NORTH%20APPLICAIR%20CORP)
- Location: [Farmington, MO](https://openairdocs.org/faa-place/MO/Farmington)
- Owner type: Non-citizen corporation
- Owner's area on the map: 37.7551° N, 90.3690° W: Placed by OpenAirDocs at the center of ZIP code 63640, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4001X
- Page: https://openairdocs.org/aircraft/N4001X

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 (Ayres S2R-600)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4001X.

## FAA accident and incident reports

None matched to N4001X.

## 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 N4001X

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4001X before.

- [Cancelled 1970-01-14](https://openairdocs.org/deregistered/N4001X-1970-01-14): Aero Commander T-200E, S/N 384, built 1967. Owner: [Aero Commander Inc](https://openairdocs.org/faa-owner/AERO%20COMMANDER%20INC), [Albany, GA](https://openairdocs.org/faa-place/GA/Albany)

## Related

- Other Ayres S2R-600 aircraft: https://openairdocs.org/model/ayres-s2r-600/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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