# N509SX: Madaris Michael G SONEX

- Status: Valid registration
- Airframe: [Madaris Michael G SONEX](https://openairdocs.org/model/madaris-michael-g-sonex) (registry code 05621US, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 509
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 18, 2012
- Certificate issued: October 7, 2021
- Expires: October 31, 2028
- Mode S code: A65D05
- Registered owners: [Powell Arthur G](https://openairdocs.org/faa-owner/POWELL%20ARTHUR%20G), [Powell Vicky J](https://openairdocs.org/faa-owner/POWELL%20VICKY%20J)
- Location: [Bingen, WA](https://openairdocs.org/faa-place/WA/Bingen)
- Owner type: Co-owned
- Owner's area on the map: 45.7770° N, 121.6642° W: Placed by OpenAirDocs at the center of ZIP code 98605, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=509SX
- Page: https://openairdocs.org/aircraft/N509SX

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 (Madaris Michael G SONEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N509SX.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20200312007789I](https://openairdocs.org/incident/20200312007789I), Mar 12, 2020: Madaris Michael G SONEX (N509SX), Redding, CA, Minor damage. Pilot reported that he had recently purchased the aircraft and was not fully familiar with the operation and flight characteristics of that make and model.…

## 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 Madaris Michael G SONEX aircraft: https://openairdocs.org/model/madaris-michael-g-sonex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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