# N42690: 1992 Muhle Paul Michael ACRO SPORT II

- Status: Valid registration
- Airframe: [Muhle Paul Michael ACRO SPORT II](https://openairdocs.org/model/muhle-paul-michael-acro-sport-ii) (registry code 05646FP, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 1PM
- Year built: 1992
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 6, 1992
- Certificate issued: March 27, 2015
- Expires: March 31, 2028
- Mode S code: A51595
- Registered owner: [Brotherton Anthony S](https://openairdocs.org/faa-owner/BROTHERTON%20ANTHONY%20S)
- Location: [Pueblo West, CO](https://openairdocs.org/faa-place/CO/Pueblo%20West)
- Owner type: Individual
- Owner's area on the map: 38.3858° N, 104.7959° W: Placed by OpenAirDocs at the center of ZIP code 81007, 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=42690
- Page: https://openairdocs.org/aircraft/N42690

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 (Muhle Paul Michael ACRO SPORT II)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N42690.

## FAA accident and incident reports

None matched to N42690.

## 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 N42690

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N42690 before.

- [Cancelled 1990-11-09](https://openairdocs.org/deregistered/N42690-1990-11-09): Piper J3C-65, S/N 14986. Exported to France

## Related

- Other Muhle Paul Michael ACRO SPORT II aircraft: https://openairdocs.org/model/muhle-paul-michael-acro-sport-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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