# TCDS P12EA: McCauley Propeller Systems

- Type: Type certificate data sheet
- Status: Current
- Holder: McCauley Propeller Systems
- Revision: 10
- Revised: October 26, 2006
- Product: Propeller
- Certification basis: Part 14, Part 35, CAR 14
- Data sheet PDF: https://openairdocs.org/files/sha256/e5/72/e572703181b23120d1f9a489b977055399f277febe357c8247e9df8b3ca636ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3C9CE4689EF4AC398625726D006193BE.0001
- Page: https://openairdocs.org/tcds/P12EA

## Models (7)

As the data sheet lists them.

- 1A230/AFC
- 1P235/PFA
- 1P235/AFA
- 1B235/EFC
- 1B235/DFC
- 1C235/LFA
- 1B235/BFA

## 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 3 
Rev. No. 10 9 10 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
P12EA
Revision 10
McCAULEY
1B235
1P235
1A230
1C235
October 26, 2006
TYPE CERTIFICATE DATA SHEET NO. P12EA 
 
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. 
P12EA)and other approved data on file with the Federal Aviation Administration, meet the minimum standards for 
use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal 
Aviation Regulations provided they are installed, operated and maintained as prescribed by the approved 
manufacturer's manuals and other approved instructions. 
 
Type Certificate Holder: McCauley Propeller Systems 
  7751 East Pawnee 
  Wichita, KS  67207  
 
Type     Fixed pitch, single-piece 
 
Material    Aluminum alloy 
 
Number of Blades  Two 
 
 Takeoff &   Hub drilling  Diameter   Weight 
Model Max. Cont.   Standard No. Dia. Dia. Bolt Pilot Hub Dimensions  (lb.) 
(See NOTE 2) HP RPM Diameter Pitch Holes Holes Circle Hole Dia. Thickness (Max. Dia.) 
1A230/AFC 230 2600 84”-76” 80- 40” 6 33/64” 4” 2-1/4”  5-1/4” 3-9/16” 35.0 
1B235/BFA 260 2700 84”-74” 80-40” 6 33/64” 4-3/4” 2-1/4” 6” 7-7/16” 42.0* 
1B235/DFC 260 2800 84”-72” 80- 40” 6 33/64” 4” 2-1/4”  5-1/4” 3-7/16” 36.2 
1B235/EFC 260 2800 84”-72” 80-40” 6 33/64” 4” 2-1/4” 5-1/4” 3-7/16” 40.5* 
1C235/LFA 260 2700 84”-74” 80-40” 6 33/64” 4-3/4” 2-1/4” 6” 6-15/16” 41.7 
1P235/AFA 260 2700 84”-76” 80- 40” 6 33/64” 4-3/4” 2- 1/4” 6” 3-7/16” 35.0 
1P235/PFA 260 2700 84”-76” 80- 40” 6 33/64” 4-3/4” 2- 1/4” 6” 4-11/16” 38.0* 
 
*Weight includes integral doweled spacer.

P12EA Page 2 of 3 
Certification basis   Model 1P235/PFA: 
  Civil Air Regulations Part 14 effective December 15, 1956. 
Models 1A230/AFC and 1P235/AFA: 
  Civil Air Regulations Part 14 effective December 15, 1956 with  
  Amendment 14-1 thereto. 
Model 1B235/BFA: 
  14 CFR Part 35 with Amendment 35-1 thereto. 
Model 1B235/DFC: 
   14 CFR Part 35 with Amendments 35-1 and 35-2 thereto. 
Model 1C235/LFA: 
   14 CFR Part 35 with Amendments 35-1, 35-2,  35-3, 35-4, 35-5 and 
35-6 thereto. 
Model 1B235/EFC: 
   14 CFR Part 35 with Amendments 35-1, 35-2, 
   35-3, 35-4, 35-5, and 35-6 thereto. 
Type Certificate No. P12EA issued May 17, 1963 under Delegation 
   Option Authorization provisions of Part 410 of the Regulations of the 
   Administrator. 
Date of Application for Type Certificate May 2, 1963. 
 
Production basis    Production Certificate No. 3 
 
NOTE 1.  Installation . These propellers are for installation on flanged propeller shaft. Install with special 
alloy steel bolts specified or furnished by the propeller manufacturer. 
 
Model 1A230/AFC is for use on special flange with 4 in. B.C. and must be installed in accordance 
with McCauley Drawing C-3406. 
 
Model 1B235/BFA is for use on modified SAE No. 2 flange with six 1/2" mounting bolts and 
McCauley P/N B-3637 spacer and must be installed in accordance with McCauley Drawing 
C-3639. 
 
Model 1B235/DFC is for use on special flange with 4 in. bolt circle and must be installed in 
accordance with McCauley Drawing C-2359. 
 
Model 1B235/EFC is for use on special flange with 4” bolt circle and McCauley P/N C-7744 
Spacer and must be installed in accordance with McCauley Drawing C-7743. 
 
Model 1C235/LFA is for use on modified SAE No. 2 flange with six 1/2" mounting bolts and 
McCauley P/N C-5464 spacer and must be installed in accordance with McCauley Drawing 
C-5465. 
 
Model 1P235/AFA is for use on modified SAE No. 2 flange with six 1/2" mounting bolts and 
must be installed in accordance with McCauley Drawing C-3430. 
 
Model 1P235/PFA is for use on modified SAE No. 2 flange with six 1/2" mounting bolts and 
McCauley P/N C-3247 spacer and must be installed in accordance with McCauley Drawing 
C-3245. 
 
NOTE 2. Propeller Model Designation . The propeller model designation consists of a series of numbers 
suffixed to the basic design number to indicate propeller diameter and geometric pitch at the .75 
radius. 
 
NOTES 3,4,5,6  Not applicable.

P12EA Page 3 of 3 
NOTE 7.  Accessories . 
a. Spinners 
 (1) Model 1P235/PFA is eligible with McCaul ey spinner; reference D-3326 shell, C-3327 
  fillet, D-2807 bulkhead and D-3328 installation. 
(2) Model 1B235/EFC is eligible with McCauley spinner; reference D-7736 spinner assembly.  
 
NOTE 8.  Not applicable 
 
NOTE 9. 
Table of Propeller-Engine Combinations Approved 
Vibrationwise for Use on Normal Category Single Engine Tractor Aircraft 
 
The maximum and minimum propeller diameters that can be used from a vibration standpoint are shown below. No 
reduction below the minimum diameter listed is permissible since this figure includes the diameter reduction 
allowable for repair purposes. 
 
Propeller  Max. Dia. Min. Dia.  
Model Engine Model  (Inches)  (Inches)  Placards  
1P235/PFA 
1P235/AFA 
Lycoming O-540 &IO-540 series, with one 5th and one-6th order crankshaft 
damper configuration (up to 260 hp @2700 rpm) 
84 77 None 
1B235/BFA Lycoming O-360 series (up to 180 hp @2700 rpm) 78 74 None 
1B235/BFA Lycoming IO-360 series (up to 200 hp @2700 rpm) 78 74 None 
1A230/AFC Continental O-470 series, with one-5 th and one-6th order crankshaft damper 
configuration (up to 230 hp @2600 rpm) 
84 80 None 
1B235/DFC Continental IO-360 series with two-6 th order or one-6th and one-4.5 order 
crankshaft damper configuration (up to 210 hp @2800 rpm) 
82 72 None 
 
NOTE 10. The word "eligible" as used herein does not signify approval. For approval, compliance with the 
applicable aircraft airworthiness requirements is necessary. 
 
 
 
... END ...
```

## ADs (2, 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
- [AD 2003-13-17](https://openairdocs.org/ad/2003-13-17): Propeller blade · Hartzell Propeller BHC-A2V, BHC-C2Y, EHC-G3YF-2 and 81 more. Effective Jul 18, 2003

## 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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