# TCDS ATC 65: Menasco Manufacturing Co.

- Type: Type certificate data sheet
- Status: Current
- Holder: Menasco Manufacturing Co.
- Revision: 0
- Product: Engine
- Data sheet PDF: https://openairdocs.org/files/sha256/a8/7d/a87d3fc5a577947ce63658ab82cad604485c2320e3b090ac2319111c25eb9c98
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9A1CFDEA93A4445E8525670C0070A3B1.0001
- Page: https://openairdocs.org/tcds/ATC%2065

## Models (1)

As the data sheet lists them.

- Pirate B-4

## What the data sheet says

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

```text
MODEIS: Menasco Pirate B-4
1.C. NUMBER: ATC 65
Kodel  Pirate B-4
ıype  #IAI
kating:
Maximum continuous,
rEm. at S. I.
pressure altitude  95-2000-S.1.
Take-off (one minute),
hp, Ipm, at full
throttle  95-2000
Fuel (minimum octane
aviation gasoline)  65
Fore and stroke, in.  4.500 x 5.125
Lisplacement, cu. in.  326
compression ratio  5.5:1
weight  (dry), 1bs.  293
Crankshaft gearing  None
Fropeller shaft,
10
supercharging
(imfeller gear ratio)
Stromberg NA-R3 carburetor with 1-5/16 in. venturi
Ignition, dual  Scintilla PN-#D or Bendix-Scintilla SF-4R-1 magnetos, or Mailory kattery ignitio
Approved Type Certificate No. 65
NOTE nd 200 degrees F..  Mo degre permi, iespectiveder head, barrel and oil inlet temperatuzes, 550 degrees F.. 300 degrees F..
NOTE 2. Approval expired 10/7/41.  No engines of this model manufactured after this date or with serial
umbers above 187 eligible for use in certificated aircraft.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Menasco PIRATE B-4](https://openairdocs.org/engine/menasco-pirate-b-4): 0 aircraft (registry code 43510)

## STCs approved under this data sheet (1)

- [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

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