# N83WK: 1983 Knight William S PIETENPOL

- Status: Valid registration
- Airframe: [Knight William S PIETENPOL](https://openairdocs.org/model/knight-william-s-pietenpol) (registry code 7040377, 2 seats)
- Engine: [Ford CONVERSION](https://openairdocs.org/engine/ford-conversion) (registry code 26701)
- Serial number: 1983WK
- Year built: 1983
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 22, 1983
- Certificate issued: June 1, 2026
- Expires: June 30, 2033
- Mode S code: AB57FF
- Registered owners: [Davis Trenten E](https://openairdocs.org/faa-owner/DAVIS%20TRENTEN%20E), [Brownell Joshua M](https://openairdocs.org/faa-owner/BROWNELL%20JOSHUA%20M), [Buerk Christian E](https://openairdocs.org/faa-owner/BUERK%20CHRISTIAN%20E)
- Location: [Brodhead, WI](https://openairdocs.org/faa-place/WI/Brodhead)
- Owner type: Co-owned
- Owner's area on the map: 42.6009° N, 89.3612° W: Placed by OpenAirDocs at the center of ZIP code 53520, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=83WK
- Page: https://openairdocs.org/aircraft/N83WK

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.

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

### Matched by airframe (Knight William S PIETENPOL)

None in force.

### Matched by engine (Ford CONVERSION)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N83WK.

## FAA accident and incident reports

None matched to N83WK.

## 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 Knight William S PIETENPOL aircraft: https://openairdocs.org/model/knight-william-s-pietenpol/aircraft.md
- The Ford CONVERSION engine: https://openairdocs.org/engine/ford-conversion.md

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