# N420HC: Miller Dennis J SONEX

- Status: Valid registration
- Airframe: [Miller Dennis J SONEX](https://openairdocs.org/model/miller-dennis-j-sonex) (registry code 05618QG, 2 seats)
- Serial number: 0420
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex Ltd SONEX
- Certificate issued: April 3, 2019
- Expires: April 30, 2029
- Mode S code: A4FC51
- Registered owner: [Miller Dennis J](https://openairdocs.org/faa-owner/MILLER%20DENNIS%20J)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: Individual
- Owner's area on the map: 44.0234° N, 88.6238° W: Placed by OpenAirDocs at the center of ZIP code 54904, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=420HC
- Page: https://openairdocs.org/aircraft/N420HC

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 (Miller Dennis J SONEX)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N420HC.

## FAA accident and incident reports

None matched to N420HC.

## 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 Miller Dennis J SONEX aircraft: https://openairdocs.org/model/miller-dennis-j-sonex/aircraft.md

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