# N1233: 1974 Ulrich VPI

- Status: Valid registration
- Airframe: [Ulrich VPI](https://openairdocs.org/model/ulrich-vpi) (registry code 05630EZ, 1 seats)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: 1066V
- Year built: 1974
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 23, 1974
- Certificate issued: February 12, 2013
- Expires: February 28, 2029
- Mode S code: A06198
- Registered owner: [Barnes Darin L](https://openairdocs.org/faa-owner/BARNES%20DARIN%20L)
- Location: [Nampa, ID](https://openairdocs.org/faa-place/ID/Nampa)
- Owner type: Individual
- Owner's area on the map: 43.4989° N, 116.6043° W: Placed by OpenAirDocs at the center of ZIP code 83686, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1233
- Page: https://openairdocs.org/aircraft/N1233

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 (Ulrich VPI)

None in force.

### Matched by engine (Volkswagen CONVERSION)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1233.

## FAA accident and incident reports

None matched to N1233.

## 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 Ulrich VPI aircraft: https://openairdocs.org/model/ulrich-vpi/aircraft.md
- The Volkswagen CONVERSION engine: https://openairdocs.org/engine/volkswagen-conversion.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.