# TCDS ATC 521: American Aircraft Company

- Type: Type certificate data sheet
- Status: Current
- Holder: American Aircraft Company
- Revision: 0
- Product: Aircraft, Small Airplane
- Data sheet PDF: https://openairdocs.org/files/sha256/cf/f8/cff890c1bb6750d5599f0d20f8a3b9f029df9e5b206af60ee6a9c0354d1a69a8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AE2CA0E0BE2E69D88525672E0043E508.0001
- Page: https://openairdocs.org/tcds/ATC%20521

## Models (1)

As the data sheet lists them.

- Airster S1A

## What the data sheet says

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

```text
AMERICAN AIRCRAFT COMPANY
MODELS: Airster S1A, 2 POL-SM
I.C. NUMBER: ATC 521
Engine  Kinner K-5 100 hp
Fuel  23-1/2 gallons (one in fuselage)
Oil  3 gallons
No. passengers
Baggage  Compartment in fuselage in rear of cockpit:
Landplane 50 1bs.; Seaplane 73 1bs.
(including  anchor and rope 23 1bs.)
Standard weight  Landplane 1775 lbs.; Seaplane 1936 1bs.
Spec.  basis  Approved Type Certificate No.
Serial Nos.  12 and up manufactured prior to 7-1-35
Approval expired as of that
(See NOTE 1)
Equipment (* Means net increase) :
Class I:
(a)  Landplane
101.  Propeller - wood (fixed pitch)
102.
103.  6 in. tail wheel with solid tire (full castering)
104-  Folding wing mechanism
(b)  Seaplane
151-  Edo I-1836 floats with water rudder
Class III:
301.  Exhaust collector ring
(a)  Landplane  20 1bs.
(b)  SeapLane  12 1bs.
302. Adj. metal propeller
(Seaplane only)  12 1bs.*
303.  heywood starter  25 1bs.
Seaplanes must have dural strips installed on rear edge of each wing
(in front of aileron) and 1/2 inch added to leading edge of aileron by
means of a dural false leading edge properly blocked in at the ends and
hinge openings with wooden blocks secured in place.
z3 must have manufacturer s affidavit of conformity submitted wher
certilicatea as seaplane.
```

## 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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