# TCDS ATC 336: American Aeronautical Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: American Aeronautical Corporation
- Revision: 0
- Product: Aircraft, Small Airplane
- Data sheet PDF: https://openairdocs.org/files/sha256/6e/17/6e179847d6f2c2c27e90dfa9e5422ab5100f0d9ca94c10c7471cb6a1adaa512a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/352E3B0678C4B90D8525672B0073FA01.0001
- Page: https://openairdocs.org/tcds/ATC%20336

## Models (2)

As the data sheet lists them.

- Savoia Marchetti S-56-31
- Savoia Marchetti S-56-B

## What the data sheet says

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

```text
MODELS:  Savoia Marchetti S-56-B, S-56-31, 3 POanB
T. C.  NUMBER:  ATC 336
Engine  Kinner B-5 125 hp
Fuel  28 gallons
011  2 gallons
NO -  passengers
Baggage  (Model S-56-B) 37 1bs. (See NOTE 1)
(Model S-56-31)
Standard weight  (Model S-56-B)
(Model S-56-31)
Spec.  basis  Type Certificate No. 336
Serial Nos.  (Model S-56B) 12-A, 19,  29 and up manufactured
prior to 9-30-39 eligible;
(Model 5-56-31)  27, 51 and up manufactured
prior to 9-30-39
Approval of both models expired 9-30-39.
NOTE 1.  Baggage includes anchor and rope 19 1bs. and tools 6 lbs.
rear seat of  S-56-B not occupied, equivalent  weight  in baggage may be
carried provided seat is suitably enclosed to prevent baggage from
```

## ADs

None name its models.

## 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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