# TCDS P4EU: Dowty Propellers

- Type: Type certificate data sheet
- Status: Current
- Holder: Dowty Propellers
- Revision: 1
- Revised: February 27, 2007
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/af/c8/afc8db9c12dbfd234ed27d8b20c7680e6195288db09a4fa2f8be1ec9e1f248ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1C8C373121BF49238625767000753032.0001
- Page: https://openairdocs.org/tcds/P4EU

## Models (1)

As the data sheet lists them.

- (c) R.284/3-20-3/

## What the data sheet says

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

```text
U.S. DEPARTMENT OF TRANSPORTATION 
 
FEDERAL AVIATION ADMINISTRATION  
 
TYPE CERTIFICATE DATA SHEET P4EU 
 
TCDS NUMBER  P4EU 
REVISION:  1 
 
DOWTY PROPELLERS 
MODEL/S:  (c) R---/3-20-3/-- 
 
February 27, 2007
 
Propellers of models described herein conforming with this data sheet (which is a part of Type Certificate No. P4EU) 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 Civil Air Regulations/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  Dowty Propellers 
    Anson Business Park 
    C heltenham Road East 
 Gloucester, GL2 9QH England 
 
Type Constant speed; hydraulic (see NOTES 3 and 4) 
Engine shaft No. 3  S.B.A.C. 
Hub material Steel S.97 
Blade material Aluminum alloy, DTD.150 
No. of blades 3 
Design series eligible (c) R.284 
 
Blades 
Eligible 
Maximum 
Continuous 
 
Takeoff 
 
Nominal 
Approx Maximum 
Weight Complete 
(See NOTE 2) HP RPM HP RPM Diameter (For reference only) 
       
RA.25829 475 1813 540 1875 9' 0" 140 lbs. 
 
 
Certification basis FAR 21.29 and British Civil Airworthiness Requirements Section C5 equivalent to 
 FAR Part 35 effective April 3, 1967, except FAR 35.35, to which compliance has 
 been demonstrated as a Special Condition.   
 
 The FAA validated this product under U.S. Type Certificate Number P4EU. Effective  
 September 28, 2003, the European Aviation Safety Agency (EASA) began oversight  
 of this product on behalf of the United Kingdom of Great Britain and Northern Ireland. 
 
TC (Import) No: None 
 
TC Application Date: February 12, 1975 
 
TC Issued : April 25, 1975 
 
Import requirements: To be considered eligible for installation on U.S. registered aircraft, each propeller to be exported  
 to the United States shall be accompanied by a Certificate of Airworthiness  for export endorsed by  
 the UKCAA on behalf of the European Community which contains the following language: 
 
 (1) This propeller conforms to its United States type design (TC No. P4EU) and is in a  
  condition for safe operation. 
 
 (2) This propeller has been subjected by the manufacturer to a final operational check and is  
  in a proper state of airworthiness. Reference FAR Section 21.500 which provides for the  
  airworthiness acceptance of aircraft engines or propellers manufactured outside the U.S. for  
  which a U.S. type certificate has been issued.  Additional guidance is contained in FAA  
  Advisory Circular 21-23, Airworthiness Certification of Civil Aircraft, Engines, Propellers  
  and Related Products, Imported into the United States. 
Page No. 1 2 3 
Rev. No. 1 1 1

P4EU 2 
 
 
NOTE 1. Propeller Model Designation.  The model designation of a complete Dowty Rotol propeller assembly  
 (which includes all rotating parts and the brush gear group but excludes the spinner front shell assembly)  
 consists of the basic model desi gnation with prefix and suffix letters and numbers as shown below: 
                P r e f i x  
                B a s i c  m o d e l  d e s i g n a t i o n  
                S u f f i x  
                 
  (c) R 284 /   3 -20 -3 /  8  
                S u f f i x  n u m b er denotes interchangeable design standard 
                E n g i n e  s h a f t  N o .  3  S . B . A . C .  
                B l a d e  S h a n k  s i z e  N o .  2 0  
                N u m b e r  o f  b l a d e s  -  3  
                Prefix number denotes non-interchangeable design standard 
                R o t o l  ( m a n u f a c t u r e r )  
                Civil (non-military) 
 
 The prefix number indicates the design series and propellers with different prefix numbers are not 
 generally interchangeable.  Certain models may be interchanged as complete aircraft sets on the advice 
 of the propeller manufacturer only. 
 The suffix number is used to record minor alterations which do not affect interchangeability. 
 
NOTE 2. Blade Model Designation.  Dowty Rotol propeller blades are identified by a serialized part number only 
 which does not constitute a model designation.  A dash number following the part number indicates 
 the type of finish. 
 
NOTE 3. Pitch Control.  Eligible only with Dowty Rotol constant speed control. 
 
NOTE 4. (a) Feathering.  Not applicable. 
 (b) Reversing.  Not applicable. 
 
NOTE 5. Left-Hand Model.  These propellers are designed and manufactured for left-hand tractor only. 
 
NOTE 6. Interchangeable Blades
 Only blades of the same part numbers are interchangeable and may be incorporated in the same propeller. 
 
NOTE 7. Accessories. 
 (a) Propeller deicing.  Not applicable. 
 (b) Spinners.  Not applicable. 
 
NOTE 8. Not applicable.

3 P4EU 
  
 
NOTE 9. Approved Installations.  Propellers listed in this specification are approved only for use in the 
 engine-aircraft combinations shown below: 
 
 
Propeller 
 
Aircraft 
 
Engine 
FAA Specification or 
T.C. Data Sheet 
Model Model Model Aircraft Engine 
(c) R284/3-20-3/8 Thrush Commander Leonides 504 Series Pending E-299 
 
NOTE 10. Service Information.  Each of the documents listed below must state that it is approved by the European 
 Aviation Safety Agency (EASA) or – for approvals made before September 28, 2003 – by the  
  UKCAA. Any such documents are accepted by the FAA and are considered FAA approved.  
   • Service bulletins,  
   • Structural repair manuals,  
   • Vendor manuals,  
   • Aircraft flight manuals, and  
   • Overhaul and maintenance manuals.  
 
 
.....END.....
```

## ADs (2, in force first)

- [AD 72-07-07](https://openairdocs.org/ad/72-07-07): Blade Bearing · Dowty Propellers (c) R.284/3-20-3/, (c) R130/4-20-4/, (c) R141/4-20-4/ and 12 more. Effective Mar 29, 1972
- [AD 70-16-02](https://openairdocs.org/ad/70-16-02) (historical): Link and Eyebolt Fork · Dowty Aerospace Propellers CR 289/3-110-F/1, CR 289/3-110-F/11, CR 289/3-110-F/12 and 34 more. Effective Aug 21, 1972

## 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.

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