# N694CS: 2006 Smith Christopher C CLEANEX

- Status: Valid registration
- Airframe: [Smith Christopher C CLEANEX](https://openairdocs.org/model/smith-christopher-c-cleanex) (registry code 05621B9, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 1002
- Year built: 2006
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 16, 2006
- Certificate issued: June 22, 2011
- Expires: June 30, 2027
- Mode S code: A939D5
- Registered owner: [Monsen Ronald M](https://openairdocs.org/faa-owner/MONSEN%20RONALD%20M)
- Location: [Naperville, IL](https://openairdocs.org/faa-place/IL/Naperville)
- Owner type: Individual
- Owner's area on the map: 41.7062° N, 88.1947° W: Placed by OpenAirDocs at the center of ZIP code 60564, 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=694CS
- Page: https://openairdocs.org/aircraft/N694CS

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 (Smith Christopher C CLEANEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N694CS.

## FAA accident and incident reports

None matched to N694CS.

## 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 Smith Christopher C CLEANEX aircraft: https://openairdocs.org/model/smith-christopher-c-cleanex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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