# N646CH: 2011 Chapton Don L-21

- Status: Valid registration
- Airframe: [Chapton Don L-21](https://openairdocs.org/model/chapton-don-l-21) (registry code 05630D0, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 802045
- Year built: 2011
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Turbine Cubs Of Wyoming PA-18
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 1, 2011
- Certificate issued: May 12, 2016
- Expires: May 31, 2029
- Mode S code: A87BBF
- Registered owners: [Hughes David L](https://openairdocs.org/faa-owner/HUGHES%20DAVID%20L), [Hughes Linda V](https://openairdocs.org/faa-owner/HUGHES%20LINDA%20V)
- Location: [Mission Viejo, CA](https://openairdocs.org/faa-place/CA/Mission%20Viejo)
- Owner type: Co-owned
- Owner's area on the map: 33.6119° N, 117.6659° W: Placed by OpenAirDocs at the center of ZIP code 92691, 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=646CH
- Page: https://openairdocs.org/aircraft/N646CH

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 (Chapton Don L-21)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N646CH.

## FAA accident and incident reports

None matched to N646CH.

## 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 Chapton Don L-21 aircraft: https://openairdocs.org/model/chapton-don-l-21/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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