# N409LL: Lavoie John P SONEX

- Status: Valid registration
- Airframe: [Lavoie John P SONEX](https://openairdocs.org/model/lavoie-john-p-sonex) (registry code 05623IL, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 1050
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex Aircraft LLC SONEX
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 2, 2010
- Certificate issued: July 15, 2019
- Expires: July 31, 2029
- Mode S code: A4CF15
- Registered owner: [Kauffman Samuel K](https://openairdocs.org/faa-owner/KAUFFMAN%20SAMUEL%20K)
- Location: [Wrightsville, GA](https://openairdocs.org/faa-place/GA/Wrightsville)
- Owner type: Individual
- Owner's area on the map: 32.7233° N, 82.7073° W: Placed by OpenAirDocs at the center of ZIP code 31096, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=409LL
- Page: https://openairdocs.org/aircraft/N409LL

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 (Lavoie John P SONEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N409LL.

## FAA accident and incident reports

None matched to N409LL.

## 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 Lavoie John P SONEX aircraft: https://openairdocs.org/model/lavoie-john-p-sonex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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