# N91BC: 1990 Koenig Robert H KITFOX

- Status: Valid registration
- Airframe: [Koenig Robert H KITFOX](https://openairdocs.org/model/koenig-robert-h-kitfox) (registry code 056162D, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 309
- Year built: 1990
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 20, 1998
- Certificate issued: December 12, 2023
- Expires: December 31, 2030
- Mode S code: AC946E
- Registered owners: [Bernath Bruce A](https://openairdocs.org/faa-owner/BERNATH%20BRUCE%20A), [Sikorski-Bernath Debra C](https://openairdocs.org/faa-owner/SIKORSKI-BERNATH%20DEBRA%20C)
- Location: [Nashville, MI](https://openairdocs.org/faa-place/MI/Nashville)
- Owner type: Co-owned
- Owner's area on the map: 42.5749° N, 85.1262° W: Placed by OpenAirDocs at the center of ZIP code 49073, 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=91BC
- Page: https://openairdocs.org/aircraft/N91BC

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 (Koenig Robert H KITFOX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N91BC.

## FAA accident and incident reports

None matched to N91BC.

## 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 Robert H KITFOX aircraft: https://openairdocs.org/model/koenig-robert-h-kitfox/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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