# Waco QSO

- Type: Aircraft model (FAA registry)
- Registry code: 9601210
- Manufacturer (registry): WACO
- Model: QSO
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 3
- Weight class: Up to 12,499 lb
- Cruise speed: 79 mph
- Certification: Type certificated
- Data sheet: [TCDS ATC 337](https://openairdocs.org/tcds/ATC%20337) (OpenAirDocs)
- Holder: The Waco Aircraft Company
- Registered aircraft: 1
- Page: https://openairdocs.org/model/waco-qso

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1)

- [N837V](https://openairdocs.org/aircraft/N837V): [Dowd John J Jr](https://openairdocs.org/faa-owner/DOWD%20JOHN%20J%20JR), [Syracuse, KS](https://openairdocs.org/faa-place/KS/Syracuse), built 1930, S/N 3133

## STCs approved for it (2)

- [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 SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

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