# TCDS ATC 331: Sioux Aircraft Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Sioux Aircraft Corporation
- Revision: 0
- Product: Aircraft, Small Airplane
- Registered aircraft: 1, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/2f/9d/2f9d3f9dd8c40312c673478815cf218b94b2fb5e8e454b2d6151bfbe8fc13f87
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/27C28A38FE1CF7108525673D006CDBB1.0001
- Page: https://openairdocs.org/tcds/ATC%20331

## Models (1)

As the data sheet lists them.

- Coupe 90

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MODELS: Sioux Coupe 90, 2 PCIM
I.C. NUMBER: ATC 331
Engine  Lambert R-266 90 hp
Fuel  25 gallons
oil  2-1/8 gallons
NO.  passengers
Faggage
Standard weight
Certification basis  Approved Type Certificate No. 331
Serial numcers  and up manufactured prior to 7/1/33 eligirle.
Approval expired as of that date.
NOTE 1. Also eligible with revised tail surfaces of increase area.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Sioux COUPE 90](https://openairdocs.org/model/sioux-coupe-90): 1 aircraft (registry code 8250104)

## STCs approved under this data sheet (1)

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

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