# N4SZ: 2007 Benson Douglas C RV-6

- Status: Valid registration
- Airframe: [Benson Douglas C RV-6](https://openairdocs.org/model/benson-douglas-c-rv-6) (registry code 05622ZP, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 001DCB
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-6
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 27, 2008
- Certificate issued: October 24, 2016
- Expires: October 31, 2029
- Mode S code: A4A997
- Registered owners: [Ashford John R](https://openairdocs.org/faa-owner/ASHFORD%20JOHN%20R), [Ashford Catherine J](https://openairdocs.org/faa-owner/ASHFORD%20CATHERINE%20J)
- Location: [Pagosa Springs, CO](https://openairdocs.org/faa-place/CO/Pagosa%20Springs)
- Owner type: Partnership
- Owner's area on the map: 37.2862° N, 107.0918° W: Placed by OpenAirDocs at the center of ZIP code 81147, within about 21 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4SZ
- Page: https://openairdocs.org/aircraft/N4SZ

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 (Benson Douglas C RV-6)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4SZ.

## FAA accident and incident reports

None matched to N4SZ.

## 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 Benson Douglas C RV-6 aircraft: https://openairdocs.org/model/benson-douglas-c-rv-6/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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