# TCDS P21EA: McCauley Propeller Systems

- Type: Type certificate data sheet
- Status: Current
- Holder: McCauley Propeller Systems
- Revision: 5
- Revised: May 24, 2006
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/90/95/9095d019a2619a59a4e2fa33120d523c1e925f5398756e43fec3b415d5d6ca45
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7950BA107900438E8625717F004E16EB.0001
- Page: https://openairdocs.org/tcds/P21EA

## Models (5)

As the data sheet lists them.

- D3A32C90
- D3A32C79
- D3A32C88
- 3A32C76
- D3A32C77

## What the data sheet says

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

```text
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
P21EA 
Revision 5 
McCauley 
 D3A32C 
 3A32C 
 
May 24, 2006 
TYPE CERTIFICATE DATA SHEET NO. P21EA 
 
Propellers of models described herein conforming with this data sheet (which is part of type certificate no. P21EA) and other 
approved data on file with the Federal Aviation Administration meet the minimum standards for use in the 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 Certificate Holder Record: Name changed from McCauley Accessory Division, Cessna Aircraft Company,  
 Vandalia, OH 45377 to McCauley Propeller Systems, 7751 East Pawnee,  
 Wichita, KS  67207  May 2006. 
 
Type Constant speed;  hydraulic  (see Note 3) 
Engine shaft Special flange 4 inch B.C. 
Hub material Aluminum alloy 
Blade material Aluminum alloy 
Number of blades 3 
Hub models eligible 3A32C76, D3A32C77, D3A32C79, D3A32C88, D3A32C90 
 
 
 
Blades Eligible 
 
 
Max. 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 Models D3A32C77, D3A32C79
82NK-0 
   to 
82NK-8 
 
285 
 
2700 
 
285 
 
2700 
 
82"  -  74" 
(-0 to -8) 
 
68 lbs., *72 lb. 
 
 
Hub Models 3A32C76
82NB-0 
   to 
82NB-8 
 
300 
 
2700 
 
300 
 
2700 
 
82"  -  74" 
(-0 to -8) 
 
68 lbs., *72 lb. 
 
 
Hub Models D3A32C88, D3A32C90
82NC-0 
   to 
82NC-8 
 
300 
 
2700 
 
300 
 
2850 
 
82"  -  74" 
(-0 to -8) 
 
64 lbs., *68 lb. 
 
 
*Higher 82NK weight applies to C77 model, and lower to C79.  Higher 82NC weight applies to C88 model and lower to C90. 
 
Certification basis Federal Aviation Regulations Part 35 with Amendment 35-1 thereto. 
 Type Certificate No. P21EA issued July 14, 1965, under Delegation Option 
   Authorization provisions of Part 21 Subpart J of the Federal Aviation Regulations. 
 Date of application for Type Certificate July 7, 1965. 
 
Production basis Production Certificate No. 3 
 
Page No. 1 2 3 
Rev. No. 5 4 4

P21EA Page 2 of 3 
NOTE 1. Hub Model Designation
         Basic model designation 
          
D 3 A 32 C 77 - A   
         Minor change not affecting interchangeability or eligibility 
          
         Change affecting eligibility 
          
         C denotes Constant Speed 
          
         McCauley blade shank size 
          
         A denotes special flange 4" B.C. 
          
         3 denotes number of blades. 
          
         Indicates dowel location with respect to centerline through 
blade sockets, viewing hub from mounting face. 
         Blank  -  60° and 240° clockwise with No. 1 blade vertical 
and up. 
       D  -  90° and 270° clockwise with No. 1 blade vertical 
and up. 
 
NOTE 2. Blade Model Designation
         Basic model designation 
          
S  - 82 NK - 0      
          
         Reduction in inches from basic design diameter  
         (as -4, diameter reduced 4 inches to 78 inches) 
          
         Blade form characteristics, i.e. activity factor, 
         planform, pitch distribution, etc. 
          
         Basic design diameter in inches 
          
         Minor change not affecting interchangeability or eligibility. 
 
NOTE 3. Pitch controls.   Eligible with the following governors: 
 Woodward Model x, 210, xxx Wt. 3.5 lb. 
 McCauley Model C290D1/T(X) Wt. 2.8 lb. 
 McCauley Model C290D2/T(X) Wt. 2.8 lb. 
 McCauley Model C290D3/T(X) Wt. 2.8 lb. 
 McCauley Model C290D4/T(X) Wt. 2.8 lb. 
 
NOTE 4. Not applicable. 
 
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) Spinners 
  (1) 3A32C76 model eligible with McCauley spinners; D-3585 Shell, D-3586 Bulkhead and D-3584 
   Installation; and D-3597 Shell, D-3599 Bulkhead and D-3600 Installation. 
  (2) D3A32C90 model eligible with McCaul ey spinner; D-3666 Shell, D-3668 Bulkhead and 
   D-3669 Installation.

Page 3 of 3 P21EA 
NOTE 8. Not applicable. 
 
NOTE 9.   Table of Propeller-Engine Combinations 
  Approved Vibrationwise for Use on 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. 
  
  
Hub 
Model
 
Blade 
Model
 
 
Engine Model
Engine 
Damper 
Configuration
Max. 
Dia. 
(Inches)
(Min. 
Dia. 
(Inches)
 
Placards
 3A32C76 
D3A32C88 
82NB 
82NC 
Continental O-470 & IO-470 
series (up to 230hp @ 2600 rpm) 
One 6th and 
One 5th order 
80 74 None 
or D3A32C90 82NC      
        
 3A32C76 82NB Continental IO-470 Ser. Two 6th  and 80 74 None 
 
or 
D3A32C88 
D3A32C90 
82NC 
82NC 
(up to 260 hp @ 2625 rpm) Two 5th 
Order 
   
        
 
 
 
 
or 
3A32C76 
D3A32C88 
D3A32C90 
D3A32C77 
D3A32C79 
82NB 
82NC 
82NC 
82NK 
82NK 
Continental IO-520 and 
TSIO-520 Series (up to 285 hp 
@ 2700 rpm rating) 
Two 6th, One 
5th and One 
4th Order 
80 74 None 
        
 
 
or 
3A32C76 
D3A32C88 
D3A32C90 
82NB 
82NC 
82NC 
Continental IO-520 Series 
(up to 285 hp @ 2700 rpm) 
Three 6th and 
One 4th Order 
80 76 None 
        
 
or 
D3A32C88 
D3A32C90 
82NC 
82NC 
Continental IO-520 Ser. 
(up to 285 hp @ 2700 rpm max. 
continuous and 300 hp @ 2850 
rpm takeoff rating) 
Two 6th, One 
5th and One 
4th Order 
80 74 None 
        
 
or 
D3A32C88 
D3A32C90 
82NC 
82NC 
Continental TSIO-520 Series 
(up to 285 hp @ 2600 rpm 
maximum continuous and 300 hp 
@ 2700 rpm takeoff) 
Two 6th, One 
5th and One 
4th Order 
80 79 None 
 
NOTE 10. The word "eligible" as used herein does not signify approval as part of this type certificate.  "Eligible"  
 accessories and governors must be approved as part of the aircraft type certificate upon compliance with the  
 applicable airworthiness requirements. 
 
 
 
....END.....
```

## ADs (8, in force first)

- [AD 2006-24-07](https://openairdocs.org/ad/2006-24-07): Propeller blades · Hartzell Propeller BHC-C2Y, HC-A2V, HC-A3V and 52 more. Effective Jan 3, 2007
- [AD 2005-24-09](https://openairdocs.org/ad/2005-24-09): Propeller hubs · McCauley Propeller Systems 2D34C, 3AF32C87, 3AF34C92 and 4 more. Effective Dec 15, 2005
- [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
- [AD 85-08-08](https://openairdocs.org/ad/85-08-08): Hub · McCauley Propeller Systems D3A32C90. Effective May 13, 1985
- [AD 77-13-17](https://openairdocs.org/ad/77-13-17): Actuating Pins · McCauley Propeller Systems 2A34C, 2AF34C55, 3AF32C75 and 9 more. Effective Jul 6, 1977
- [AD 68-08-01](https://openairdocs.org/ad/68-08-01): Cylinder Attach Screws · McCauley Propeller Systems 2A34C, 2A36C23, 2A36C29 and 14 more. Effective Jan 21, 1972
- [AD 71-17-03](https://openairdocs.org/ad/71-17-03): Hubs · McCauley Propeller Systems D3A32C77, D3A32C79, D3A32C88 and 1 more. Effective Aug 18, 1971

## STCs approved under this data sheet (4)

- [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 SP1964SO](https://openairdocs.org/stc/SP1964SO): Installation of replacement electrothermal type de-icing boots.. Thermodyne, Inc
- [STC SP1318GL](https://openairdocs.org/stc/SP1318GL): Installation of replacement electrothermal type de-icing boots.. Rapco, Inc

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