# N41423: 2007 Butler Lawrence R BUTLER-BARNETT J4B2

- Status: Valid registration
- Airframe: [Butler Lawrence R BUTLER-BARNETT J4B2](https://openairdocs.org/model/butler-lawrence-r-butler-barnett-j4b2) (registry code 05622QI, 2 seats)
- Engine: [Subaru ALL MDLS A/B](https://openairdocs.org/engine/subaru-all-mdls-a-b) (registry code 59050)
- Serial number: 377
- Year built: 2007
- Type: Rotorcraft
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 3, 2007
- Certificate issued: February 8, 2007
- Expires: September 30, 2029
- Mode S code: A4E5B6
- Registered owner: [Butler Lawrence R](https://openairdocs.org/faa-owner/BUTLER%20LAWRENCE%20R)
- Location: [Easton, PA](https://openairdocs.org/faa-place/PA/Easton)
- Owner type: Individual
- Owner's area on the map: 40.6917° N, 75.2749° W: Placed by OpenAirDocs at the center of ZIP code 18045, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=41423
- Page: https://openairdocs.org/aircraft/N41423

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 (Butler Lawrence R BUTLER-BARNETT J4B2)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N41423.

## FAA accident and incident reports

None matched to N41423.

## 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 N41423

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N41423 before.

- [Cancelled 2006-11-20](https://openairdocs.org/deregistered/N41423-2006-11-20): Piper J5A, S/N 51379, built 1941. Registration revoked. Owner: [Butler Roy I](https://openairdocs.org/faa-owner/BUTLER%20ROY%20I), [Birmingham, MI](https://openairdocs.org/faa-place/MI/Birmingham)

## Related

- Other Butler Lawrence R BUTLER-BARNETT J4B2 aircraft: https://openairdocs.org/model/butler-lawrence-r-butler-barnett-j4b2/aircraft.md
- The Subaru ALL MDLS A/B engine: https://openairdocs.org/engine/subaru-all-mdls-a-b.md

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