# N797H: Monocoupe 125

- Status: Valid registration
- Airframe: [Monocoupe 125](https://openairdocs.org/model/monocoupe-125) (registry code 9250412, 2 seats)
- Engine: [Kinner B5 series](https://openairdocs.org/engine/kinner-b5-series) (registry code 37501)
- Serial number: 6K19
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: May 18, 1956
- Certificate issued: October 6, 2021
- Expires: October 31, 2028
- Mode S code: AAD2B5
- Registered owner: [Liimatainen William J](https://openairdocs.org/faa-owner/LIIMATAINEN%20WILLIAM%20J)
- Location: [Monroe, WI](https://openairdocs.org/faa-place/WI/Monroe)
- Owner type: Individual
- Owner's area on the map: 42.6091° N, 89.6494° W: Placed by OpenAirDocs at the center of ZIP code 53566, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=797H
- Page: https://openairdocs.org/aircraft/N797H

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. The registry lists only the engine series, so ADs for every Kinner B5 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Monocoupe 125)

None in force.

### Matched by engine (Kinner B5 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB MIA65F0037](https://openairdocs.org/ntsb/MIA65F0037), Mar 25, 1965: Monocoupe 125 (N797H), Johns Island, SC, substantial damage

## FAA accident and incident reports

None matched to N797H.

## 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 Monocoupe 125 aircraft: https://openairdocs.org/model/monocoupe-125/aircraft.md
- The Kinner B5 series engine: https://openairdocs.org/engine/kinner-b5-series.md

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