# N543LB: 1959 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: 52017
- Year built: 1959
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: September 30, 1959
- Certificate issued: May 11, 1992
- Expires: April 30, 2027
- Mode S code: A6E40D
- Registered owner: [Stix Albert I](https://openairdocs.org/faa-owner/STIX%20ALBERT%20I)
- Location: [St Louis, MO](https://openairdocs.org/faa-place/MO/St%20Louis)
- Owner type: Individual
- Owner's area on the map: 38.6761° N, 90.3774° W: Placed by OpenAirDocs at the center of ZIP code 63132, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=543LB
- Page: https://openairdocs.org/aircraft/N543LB

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 N543LB.

## 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.

- [Incident 19910316009949I](https://openairdocs.org/incident/19910316009949I), Mar 16, 1991: Namer SNJ4 (N543LB), St Louis, MO, Minor damage. Gear collapsed on landing rollout. Found hydraulic fluid leaking from gear bay of the right wing.

## 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 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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