# N634SM: Mitchell Alexander K CLASSIC IV

- Status: Valid registration
- Airframe: [Mitchell Alexander K CLASSIC IV](https://openairdocs.org/model/mitchell-alexander-k-classic-iv) (registry code 05606AU, 2 seats)
- Engine: [Subaru ALL MDLS A/B](https://openairdocs.org/engine/subaru-all-mdls-a-b) (registry code 59050)
- Serial number: 09601-0136
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 3, 1998
- Certificate issued: May 24, 2024
- Expires: May 31, 2031
- Mode S code: A84E34
- Registered owner: [Fathauer Dennis W](https://openairdocs.org/faa-owner/FATHAUER%20DENNIS%20W)
- Location: [Charleston, IL](https://openairdocs.org/faa-place/IL/Charleston)
- Owner type: Individual
- Owner's area on the map: 39.5120° N, 88.1542° W: Placed by OpenAirDocs at the center of ZIP code 61920, 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=634SM
- Page: https://openairdocs.org/aircraft/N634SM

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 (Mitchell Alexander K CLASSIC IV)

None in force.

### Matched by engine (Subaru ALL MDLS A/B)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N634SM.

## FAA accident and incident reports

None matched to N634SM.

## 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 Mitchell Alexander K CLASSIC IV aircraft: https://openairdocs.org/model/mitchell-alexander-k-classic-iv/aircraft.md
- The Subaru ALL MDLS A/B engine: https://openairdocs.org/engine/subaru-all-mdls-a-b.md

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