# N173CP: 2003 Smiltneek Martin M SONEX

- Status: Valid registration
- Airframe: [Smiltneek Martin M SONEX](https://openairdocs.org/model/smiltneek-martin-m-sonex) (registry code 05611I9, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 173
- Year built: 2003
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 17, 2003
- Certificate issued: July 26, 2023
- Expires: July 31, 2030
- Mode S code: A12492
- Registered owner: [Lewis Larry R](https://openairdocs.org/faa-owner/LEWIS%20LARRY%20R)
- Location: [Iowa Park, TX](https://openairdocs.org/faa-place/TX/Iowa%20Park)
- Owner type: Individual
- Owner's area on the map: 33.9715° N, 98.7148° W: Placed by OpenAirDocs at the center of ZIP code 76367, 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=173CP
- Page: https://openairdocs.org/aircraft/N173CP

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 (Smiltneek Martin M SONEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N173CP.

## FAA accident and incident reports

None matched to N173CP.

## 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 Smiltneek Martin M SONEX aircraft: https://openairdocs.org/model/smiltneek-martin-m-sonex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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