# TCDS P-912: McCauley Propeller Systems

- Type: Type certificate data sheet
- Status: Current
- Holder: McCauley Propeller Systems
- Revision: 2
- Revised: June 9, 1961
- Product: Propeller
- Certification basis: CAR 14
- Data sheet PDF: https://openairdocs.org/files/sha256/75/7c/757cde71b6501d4c494ff57e71612ba0fa1c94540027fdd2fa843f53836c4c8d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2BD5B736F9E7CF4A85256712006C89C6.0001
- Page: https://openairdocs.org/tcds/P-912

## Models (2)

As the data sheet lists them.

- 2DF36C35
- 2DF36C30

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2
Rev. No. 2 2
FEDERAL AVIATION AGENCY
P-912
Revision 2
McCauley
2DF36C
June 9, 1961
TYPE CERTIFICATE DATA SHEET NO. P-912
Propellers of models described herein conforming with this data sheet (which is a part of propeller type certificate No. 912) and
other approved data on file with the Federal Aviation Agency meet the minimum standards for use in certificated aircraft in
accordance with pertinent aircraft data sheets and applicable portions of the Civil Air Regulations provided they are installed,
operated, and maintained as prescribed by the approved manufacturer's manuals and other approved instructions.
Manufacturer McCauley Industrial Corporation
1840 Howell Avenue
Dayton, Ohio
Type Constant speed; hydraulic (see Notes 3 and 4)
Engine shaft S.A.E. No. 2 Flange Modified (6-1/2 in. mounting bolts)
Hub material Aluminum alloy
Blade material Aluminum alloy
No. of blades 2
Hub models eligible 2DF36C30, 2DF36C35
Blades Eligible
Maximum
Continuous Takeoff Diameter Limits
Approx. maximum
weight complete
(For reference only)
(See Note 2) HP RPM HP RPM (See Note 2) (See Note 3)
Hub Model 2DF36C30
80MMF-0
to
80MMF-8
265 2700 270 2800 80"  -  72"
(-0 to -8)
68 lbs.
Hub Model 2DF36C35
90MF-0
to
90MF-8
265 2700 265 2700 90"  -  82"
(-0 to -8)
68 lbs.
Certification basis CAR 14 effective December 15, 1956
Type Certificate No. 912 issued July 22, 1959
Date of application for Type Certificate June 9, 1959
Production basis Production Certificate No. 3

P-912 2
NOTE 1. Hub Model Designation
Basic model designation
2 D F 36 C 14 - A
Minor change not affecting interchangeability or eligibility
Change affecting eligibility
C denotes constant speed
McCauley blade shank size
F denotes feathering model
SAE No. 2 flange modified (6-1/2 in. mounting bolts)
Number of blades
NOTE 2. Blade Model Designation
Basic model designation
90 M F 0
Reduction in inches from basic design diameter,
(as -4, diameter reduced 4 inches to 86 inches)
Denotes blade for use with full feathering model
Blade form characteristics, i.e. activity factor, planform,
pitch distribution, etc.
Basic design diameter in inches
NOTE 3. Pitch Control Eligible with the following governors:
Woodward Model  x,210,xxx Wt. 3.5 lb.
Hoof Model 1,000,007 series Wt. 3.5 lb.
NOTE 4. Feathering Eligible with full feathering control installed in accordance with the propeller
manufacturer's instructions.
NOTE 5. Left-Hand Models   The left-hand version of an approved model is eligible at the same rating and
diameter limitations as listed for the right-hand model.
NOTE 6. Not applicable.
NOTE 7. Accessories
(a) Propeller Anti-Icing
(1) Eligible with Goodrich 37572 fluid feed shoes, 12 inches maximum length when applied in
accordance with Goodrich instructions.
(b) Spinners
(1) Eligible with McCauley spinners:  D-2506 Dome, D-2135 Bulkhead, and D-2504 installation
NOTE 8. Not applicable.
NOTE 9. Not applicable.
.....END.....
```

## ADs (1, in force first)

- [AD 2005-14-11](https://openairdocs.org/ad/2005-14-11): Failed propeller blade · Hartzell Propeller BHC-92W, BHC-92ZF-1, BHC-92ZF-3 and 391 more. Effective Aug 17, 2005

## STCs approved under this data sheet (3)

- [STC SP01222WI](https://openairdocs.org/stc/SP01222WI): Installation of Aircraft Development propeller vortelators.. Aircraft Development Co
- [STC SP00582NY](https://openairdocs.org/stc/SP00582NY): Installation of Prop-Guard Polyurethane Protective Tape on the leading edge of metal propellers.. McFarlane Aviation, Inc.
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc

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