# TCDS TC 791: Curtiss-Wright Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Curtiss-Wright Corporation
- Revision: 0
- Product: Propeller
- Data sheet PDF: https://openairdocs.org/files/sha256/6c/9e/6c9e44cd3cb8a626edf2c53fc7af558e7b20065a1d6b4d4ec7dea9eb3b0d475f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/31EE7F7B0E54E7A78525670F005AD79D.0001
- Page: https://openairdocs.org/tcds/TC%20791

## Models (1)

As the data sheet lists them.

- C543S

## What the data sheet says

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

```text
CURTISS C543S PROPELLER T.C. 791
Type  Electrically  controllable - feathering (see NOTES 3 and 4)
Blade shank  No.  3 Special
Engine shaft  SAE No. 50
Hub material  Steel
Blade material  Steel
Number of blades
Hubs eligible  C543S (See NOTE 1)
Blades  Propeller  weight
Eligible  COmE IDOLS  Takeoff  Diameter  Complete
See NOTE 2  HP  RPM  HP  RPM  Limits  (Max. Dia.)  NOTES
14-1C3-1
1625  1275  2000  1350  1218" - 4309"  602 1b.
814-1C3-30
814-1C3-0
to  1500  1050  1700  1225  15'2"  1502" - 12"8"  604 1b.
814-1C3-30
814-3C3-18
to  1750  1275  2000  1350  13'6" - 12'6"  602 1b.
814-3C3-30  (-18 to -30)
814-4C3-18
to  1750  1275  2000  1350  13'6" - 12'6"  602 1b.
814-4C3-30  (-18 to -30)
Certification basis  Type Certificate No. 791 (Expired February 16, 1956.  No propellers of this model
manufactured after that date eligible for use on certificated aircraft.)
TE 1. Hub Model Designatio  A dash and a letter, or a dash and a letter and a number, added to the hub model
signation indicates a minor change whic  does not affect its eligibility.
NOTE 2.  to the basic model number.  For hollow steel blades the model designation consists of a series of numbers and  A change in the suffix indicates a minor change.  Blades of
the same  model with minor changes are equally eligible, but only blades with a like suffix should be
assembled in the same hub.
NOTE 3.  Pitch Control.  Eligible only with Curtiss manual control, constant speed governor, or automatic
NOTE 4.  synchernizer Eligible with full feathering control and voltage booster installed in accordance with the
propeller manufacturer's instructions.
NOTE 5.  Left Hand Model.  The left hand version of an approved model propeller is eligible at the same rating and
diameter limitations as listed for the right hand model.
VOTE 6.  Interchangeable Bgable only with Curtiss deicing slinger ring assembleis,  Not applicable.
NOTE 8.  NOLE I.  Cuffs are eligible only on those model blades specifically designated.
Refer to the pertinent propeller specification and determine whether an assembly of the blade model in
question is eligible to  incorporate a cuff.
(b)  Refer to the pertinent aircraft specification and determine whether the same model blade with cuff is
eligible in the propellers of that aircraft model.
(c)  When cuffs are installed, increase the propeller weight according to the following table:
814 blades, add 17 1b.
```

## ADs

None name its models.

## STCs approved under this data sheet (1)

- [STC SP00582NY](https://openairdocs.org/stc/SP00582NY): Installation of Prop-Guard Polyurethane Protective Tape on the leading edge of metal propellers.. McFarlane Aviation, Inc.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.