# N171FS: 2007 Ouellette Will SONEX TRI-GEAR

- Status: Valid registration
- Airframe: [Ouellette Will SONEX TRI-GEAR](https://openairdocs.org/model/ouellette-will-sonex-tri-gear) (registry code 05624IM, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 747
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex Aircraft LLC SONEX
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 4, 2007
- Certificate issued: August 15, 2011
- Expires: August 31, 2027
- Mode S code: A11D72
- Registered owner: [Hall Russell W](https://openairdocs.org/faa-owner/HALL%20RUSSELL%20W)
- Location: [Teague, TX](https://openairdocs.org/faa-place/TX/Teague)
- Owner type: Individual
- Owner's area on the map: 31.6226° N, 96.2454° W: Placed by OpenAirDocs at the center of ZIP code 75860, 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=171FS
- Page: https://openairdocs.org/aircraft/N171FS

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 (Ouellette Will SONEX TRI-GEAR)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N171FS.

## FAA accident and incident reports

None matched to N171FS.

## 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 Ouellette Will SONEX TRI-GEAR aircraft: https://openairdocs.org/model/ouellette-will-sonex-tri-gear/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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