# N36AM: 2025 Ruffatto Michael J BEARHAWK MODEL B

- Status: Valid registration
- Airframe: [Ruffatto Michael J BEARHAWK MODEL B](https://openairdocs.org/model/ruffatto-michael-j-bearhawk-model-b) (registry code 0564264, 4 seats)
- Engine: [Lycoming IO-540-EXP](https://openairdocs.org/engine/lycoming-io-540-exp) (registry code 42167)
- Serial number: 23B-44B/45B-1612B
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Avipro Aircraft Ltd BEARHAWK MODEL B
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 31, 2025
- Certificate issued: June 7, 2025
- Expires: June 30, 2032
- Mode S code: A409FF
- Registered owner: [Ruffatto Michael J](https://openairdocs.org/faa-owner/RUFFATTO%20MICHAEL%20J)
- Location: [Plainfield, IL](https://openairdocs.org/faa-place/IL/Plainfield)
- Owner type: Individual
- Owner's area on the map: 41.6139° N, 88.2187° W: Placed by OpenAirDocs at the center of ZIP code 60544, 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=36AM
- Page: https://openairdocs.org/aircraft/N36AM

From the FAA registry file of October 22, 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 (Ruffatto Michael J BEARHAWK MODEL B)

None in force.

### Matched by engine (Lycoming IO-540-EXP)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N36AM.

## FAA accident and incident reports

None matched to N36AM.

## 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 N36AM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N36AM before.

- [Cancelled 2013-08-14](https://openairdocs.org/deregistered/N36AM-2013-08-14): Grumman S-2B, S/N 136691. Registration expired, pending cancellation. Owner: [Larry Klassen Enterp Inc](https://openairdocs.org/faa-owner/LARRY%20KLASSEN%20ENTERP%20INC), [Bakersfield, CA](https://openairdocs.org/faa-place/CA/Bakersfield)

## Related

- Other Ruffatto Michael J BEARHAWK MODEL B aircraft: https://openairdocs.org/model/ruffatto-michael-j-bearhawk-model-b/aircraft.md
- The Lycoming IO-540-EXP engine: https://openairdocs.org/engine/lycoming-io-540-exp.md

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