# N1279Z: 2012 Williamson Steven P PIETENPOL

- Status: Valid registration
- Airframe: [Williamson Steven P PIETENPOL](https://openairdocs.org/model/williamson-steven-p-pietenpol) (registry code 05631WU, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 001
- Year built: 2012
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 29, 2012
- Certificate issued: April 11, 2023
- Expires: April 30, 2030
- Mode S code: A0715E
- Registered owner: [Williamson Mark A](https://openairdocs.org/faa-owner/WILLIAMSON%20MARK%20A)
- Location: [Temecula, CA](https://openairdocs.org/faa-place/CA/Temecula)
- Owner type: Individual
- Owner's area on the map: 33.5109° N, 117.0215° W: Placed by OpenAirDocs at the center of ZIP code 92592, 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=1279Z
- Page: https://openairdocs.org/aircraft/N1279Z

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 (Williamson Steven P PIETENPOL)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1279Z.

## 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 20201010016849I](https://openairdocs.org/incident/20201010016849I), Oct 10, 2020: Williamson Steven P PIETENPOL (N1279Z), Temecula, CA, Minor damage. On October 10/2020 [privacy data omitted]was engaged in taxi practice at french valley CA airport only person onboard in aircraft N1279Z an experimental…

## 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 Williamson Steven P PIETENPOL aircraft: https://openairdocs.org/model/williamson-steven-p-pietenpol/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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