# N20719: 1938 Commonwealth REARWIN 9000-L

- Status: Valid registration
- Airframe: [Commonwealth REARWIN 9000-L](https://openairdocs.org/model/commonwealth-rearwin-9000-l) (registry code 2371422, 2 seats)
- Engine: [Leblond 85 series](https://openairdocs.org/engine/leblond-85-series) (registry code 39102)
- Data sheets: [TCDS A-591](https://openairdocs.org/tcds/A-591) (Commonwealth Aircraft Inc.) (OpenAirDocs)
- Serial number: 617D
- Year built: 1938
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: July 11, 1956
- Certificate issued: May 9, 2011
- Expires: May 31, 2027
- Mode S code: A1AEA1
- Registered owner: [Stoos Robert A](https://openairdocs.org/faa-owner/STOOS%20ROBERT%20A)
- Location: [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)
- Owner type: Individual
- Owner's area on the map: 28.0395° N, 81.9498° W: Placed by OpenAirDocs: center of Lakeland, FL, 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=20719
- Page: https://openairdocs.org/aircraft/N20719

From the FAA registry file of October 22, 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 Leblond 85 model are included.

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

### Matched by airframe (Commonwealth REARWIN 9000-L)

None in force.

### Matched by engine (Leblond 85 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N20719.

## FAA accident and incident reports

None matched to N20719.

## 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) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Commonwealth REARWIN 9000-L)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA167CH](https://openairdocs.org/stc/SA167CH): Surrendered and incorporated into STC SA00478CH. Cooper Aviation Supply Company, Inc
- [STC SA519WE](https://openairdocs.org/stc/SA519WE): Wheel adapters on Goodyear wheels3LMBM. Lamb Robert P

## Related

- Other Commonwealth REARWIN 9000-L aircraft: https://openairdocs.org/model/commonwealth-rearwin-9000-l/aircraft.md
- The Leblond 85 series engine: https://openairdocs.org/engine/leblond-85-series.md

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