# N111NN: 2004 Bjork Lewis PITTS 12

- Status: Valid registration
- Airframe: [Bjork Lewis PITTS 12](https://openairdocs.org/model/bjork-lewis-pitts-12) (registry code 05617US, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 071
- Year built: 2004
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 19, 2004
- Certificate issued: March 30, 2021
- Expires: March 31, 2028
- Mode S code: A03123
- Registered owner: [Zwierlein Victor A](https://openairdocs.org/faa-owner/ZWIERLEIN%20VICTOR%20A)
- Location: [Grand Prairie, TX](https://openairdocs.org/faa-place/TX/Grand%20Prairie)
- Owner type: Individual
- Owner's area on the map: 32.6647° N, 97.0295° W: Placed by OpenAirDocs at the center of ZIP code 75052, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=111NN
- Page: https://openairdocs.org/aircraft/N111NN

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 (Bjork Lewis PITTS 12)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N111NN.

## FAA accident and incident reports

None matched to N111NN.

## 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.

## Earlier aircraft with N111NN

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N111NN before.

- [Cancelled 1997-02-03](https://openairdocs.org/deregistered/N111NN-1997-02-03): Nunn Robert F LANCAIR 360, S/N 404A320157. Triennial form not returned. Owner: [Nunn Robert F](https://openairdocs.org/faa-owner/NUNN%20ROBERT%20F), [Marmora, NJ](https://openairdocs.org/faa-place/NJ/Marmora)
- [Cancelled 1969-06-30](https://openairdocs.org/deregistered/N111NN-1969-06-30): Piper PA-18-150, S/N 18-7772, built 1962. Exported to Canada. Owner: [California Aviation Service Inc](https://openairdocs.org/faa-owner/CALIFORNIA%20AVIATION%20SERVICE%20INC), [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland)

## Related

- Other Bjork Lewis PITTS 12 aircraft: https://openairdocs.org/model/bjork-lewis-pitts-12/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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