# N7812C: 1997 Koenig David W TNK1

- Status: Valid registration
- Airframe: [Koenig David W TNK1](https://openairdocs.org/model/koenig-david-w-tnk1) (registry code 05604J3, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 001
- Year built: 1997
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 1, 1997
- Certificate issued: March 6, 1997
- Expires: December 31, 2029
- Mode S code: AA96DE
- Registered owner: [Koenig David W](https://openairdocs.org/faa-owner/KOENIG%20DAVID%20W)
- Location: [Menasha, WI](https://openairdocs.org/faa-place/WI/Menasha)
- Owner type: Individual
- Owner's area on the map: 44.2020° N, 88.3394° W: Placed by OpenAirDocs at the center of ZIP code 54952, 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=7812C
- Page: https://openairdocs.org/aircraft/N7812C

From the FAA registry file of October 27, 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 (Koenig David W TNK1)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N7812C.

## FAA accident and incident reports

None matched to N7812C.

## 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 Koenig David W TNK1 aircraft: https://openairdocs.org/model/koenig-david-w-tnk1/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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