# N8509A: 1981 Alder John J VARIEZE

- Status: Valid registration
- Airframe: [Alder John J VARIEZE](https://openairdocs.org/model/alder-john-j-varieze) (registry code 05609JG, 2 seats)
- Engine: [Rotorway RW-100 series](https://openairdocs.org/engine/rotorway-rw-100-series) (registry code 55001)
- Serial number: DC-002
- Year built: 1981
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 13, 1983
- Certificate issued: September 2, 2004
- Expires: April 30, 2028
- Mode S code: ABAAEC
- Registered owners: [Elliott Patrick K](https://openairdocs.org/faa-owner/ELLIOTT%20PATRICK%20K), [Lowe Richard B](https://openairdocs.org/faa-owner/LOWE%20RICHARD%20B)
- Location: [North Bend, OR](https://openairdocs.org/faa-place/OR/North%20Bend)
- Owner type: Partnership
- Owner's area on the map: 43.4842° N, 124.1827° W: Placed by OpenAirDocs at the center of ZIP code 97459, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8509A
- Page: https://openairdocs.org/aircraft/N8509A

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. The registry lists only the engine series, so ADs for every Rotorway RW-100 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Alder John J VARIEZE)

None in force.

### Matched by engine (Rotorway RW-100 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8509A.

## FAA accident and incident reports

None matched to N8509A.

## 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.

## Service difficulty reports on N8509A not matched to an aircraft (1)

They name N8509A, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR SWAA2022012445191](https://openairdocs.org/sdr/SWAA2022012445191), Jun 1, 2017: FLAP. DELAMINATED. LEFT WING OUTBOARD AFT FLAP INBD T.E. CORNER DELAMINATED. / FOUND DELAMINATED CORNER ON L/W O/BRD AFT FLAP IN/BD T.E. REPAIRABLE PER B737-800 SRM 51-70-10-2R-1.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N8509A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8509A before.

- [Cancelled 1974-12-12](https://openairdocs.org/deregistered/N8509A-1974-12-12): Beech A35, S/N D-2017, built 1949. Owner: [Davis Chas](https://openairdocs.org/faa-owner/DAVIS%20CHAS), [Parker, AZ](https://openairdocs.org/faa-place/AZ/Parker)

## Related

- Other Alder John J VARIEZE aircraft: https://openairdocs.org/model/alder-john-j-varieze/aircraft.md
- The Rotorway RW-100 series engine: https://openairdocs.org/engine/rotorway-rw-100-series.md

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