# N51979: 1944 North American SNJ-5

- Status: Valid registration
- Airframe: [North American SNJ-5](https://openairdocs.org/model/north-american-snj-5) (registry code 6400418, 2 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 51979
- Year built: 1944
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 26, 1979
- Certificate issued: April 12, 2018
- Expires: April 30, 2028
- Mode S code: A6864D
- Registered owner: [Up North LLC](https://openairdocs.org/faa-owner/UP%20NORTH%20LLC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: LLC
- Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51979
- Page: https://openairdocs.org/aircraft/N51979

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-5)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N51979.

## FAA accident and incident reports

None matched to N51979.

## 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 N51979

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N51979 before.

- [Cancelled 1951-02-14](https://openairdocs.org/deregistered/N51979-1951-02-14): Fairchild M-62A, S/N T40-139, built 1945. Owner: [Day Deane K Ritenour Thornton L](https://openairdocs.org/faa-owner/DAY%20DEANE%20K%20RITENOUR%20THORNTON%20L), [El Monte, CA](https://openairdocs.org/faa-place/CA/El%20Monte)

## Related

- Other North American SNJ-5 aircraft: https://openairdocs.org/model/north-american-snj-5/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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