# N4256: Williams VOLKSPLANE

- Status: Valid registration
- Airframe: [Williams VOLKSPLANE](https://openairdocs.org/model/williams-volksplane) (registry code 1304413, 1 seats)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: SL-1
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 16, 1980
- Certificate issued: June 7, 2024
- Expires: June 30, 2031
- Mode S code: A5115C
- Registered owner: [Castleberry Robert F](https://openairdocs.org/faa-owner/CASTLEBERRY%20ROBERT%20F)
- Location: [Sanford, NC](https://openairdocs.org/faa-place/NC/Sanford)
- Owner type: Individual
- Owner's area on the map: 35.3722° N, 79.1488° W: Placed by OpenAirDocs at the center of ZIP code 27332, 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=4256
- Page: https://openairdocs.org/aircraft/N4256

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 (Williams VOLKSPLANE)

None in force.

### Matched by engine (Volkswagen CONVERSION)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4256.

## FAA accident and incident reports

None matched to N4256.

## 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 Williams VOLKSPLANE aircraft: https://openairdocs.org/model/williams-volksplane/aircraft.md
- The Volkswagen CONVERSION engine: https://openairdocs.org/engine/volkswagen-conversion.md

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