# N11489: 1931 Waco QDC

- Status: Valid registration
- Airframe: [Waco QDC](https://openairdocs.org/model/waco-qdc) (registry code 9600504, 4 seats)
- Engine: [Continental A70 series](https://openairdocs.org/engine/continental-a70-series) (registry code 17004)
- Data sheets: [TCDS ATC 412](https://openairdocs.org/tcds/ATC%20412) (The Waco Aircraft Company), [TCDS ATC 32 Teledyne](https://openairdocs.org/tcds/ATC%2032%20Teledyne) (Continental Motors Inc) (OpenAirDocs)
- Serial number: 3547
- Year built: 1931
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: June 25, 2013
- Expires: June 30, 2029
- Mode S code: A03EA1
- Registered owner: [Perry Aaron O](https://openairdocs.org/faa-owner/PERRY%20AARON%20O)
- Location: [Piqua, OH](https://openairdocs.org/faa-place/OH/Piqua)
- Owner type: Individual
- Owner's area on the map: 40.1628° N, 84.2282° W: Placed by OpenAirDocs at the center of ZIP code 45356, 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=11489
- Page: https://openairdocs.org/aircraft/N11489

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 Continental A70 model are included.

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

### Matched by airframe (Waco QDC)

None in force.

### Matched by engine (Continental A70 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N11489.

## FAA accident and incident reports

None matched to N11489.

## 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) (6)

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 (Waco QDC)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc

### Approved for the engine (Continental A70 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc

## Related

- Other Waco QDC aircraft: https://openairdocs.org/model/waco-qdc/aircraft.md
- The Continental A70 series engine: https://openairdocs.org/engine/continental-a70-series.md

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