# N6171A: 1942 North American SNJ-4

- Status: Valid registration
- Airframe: [North American SNJ-4](https://openairdocs.org/model/north-american-snj-4) (registry code 6400414, 2 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 88-13585
- Year built: 1942
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: December 16, 2025
- Certificate issued: June 28, 2018
- Expires: June 30, 2028
- Mode S code: A80B3B
- Registered owner: [Lt Development Group LLC](https://openairdocs.org/faa-owner/LT%20DEVELOPMENT%20GROUP%20LLC)
- Location: [Watford City, ND](https://openairdocs.org/faa-place/ND/Watford%20City)
- Owner type: LLC
- Owner's area on the map: 47.8284° N, 103.1533° W: Placed by OpenAirDocs at the center of ZIP code 58854, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6171A
- Page: https://openairdocs.org/aircraft/N6171A

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 (North American SNJ-4)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6171A.

## FAA accident and incident reports

None matched to N6171A.

## 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 N6171A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N6171A before.

- [Cancelled 1981-11-27](https://openairdocs.org/deregistered/N6171A-1981-11-27): Piper PA-36-375, S/N 36-8102013. Exported to Philippines. Owner: [Ayres Corporation](https://openairdocs.org/faa-owner/AYRES%20CORPORATION), [Albany, GA](https://openairdocs.org/faa-place/GA/Albany)

## Related

- Other North American SNJ-4 aircraft: https://openairdocs.org/model/north-american-snj-4/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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