# TCDS P-890: Dowty Propellers - Type: Type certificate data sheet - Status: Current - Holder: Dowty Propellers - Revision: 9 - Revised: February 27, 2007 - Product: Propeller - Certification basis: Part 21, CAR 10 - Data sheet PDF: https://openairdocs.org/files/sha256/ff/74/ff74076dab7b3f8e0850366afd03d57ee7e647bbb8cd629d8f970c40ecf95548 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/24A240C3C5F19E808625767100584AE1.0001 - Page: https://openairdocs.org/tcds/P-890 ## Models (5) As the data sheet lists them. - (c) R148/4-20-4/ - (c) R141/4-20-4/ - (c) R130/4-20-4/ - (c) R147/4-20-4/ - (c) R179/4-20-4/ ## 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 P-890 TCDS NUMBER P- 890 REVISION: 9 DOWTY PROPELLERS MODEL/S: (c) R-/4-20-4/ February 27, 2007 Propellers of models described herein conforming with this data sheet (which is a part of type certificate no. 890) 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/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. 4 S.B.A.C. Hub material Steel Blade material Aluminum alloy No. of blades 4 Design series eligible (c) R130, R141, R147, R148, R179 (see NOTES 1 and 9) Blades Eligible Maximum Continuous Takeoff Nominal Approx Maximum Weight Complete (See NOTES 2 & 9) HP RPM HP RPM Diameter (For reference only) RA25840 1120 1470 1400 1550 10' - 0" 295 lbs. ⎨ 1120 1470 1400 1550 RA25842 -- ⎨ or 10' - 0" 307 lbs. ⎨ 1365 1300 1600 1350 RA25910 1585 1350 1870 1395 10' - 0" 365 lbs. Certification basis CAR Part 10, British Civil Airworthiness Requirements equivalent to CAR Part 14. The FAA validated this product under U.S. Type Certificate Number P-890. 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: May 23, 1955 TC Issued : June 13, 1955 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: Page No. 1 2 3 Rev. No. 9 9 9 P-890 2 (1) This propeller conforms to its United States type design (TC No. P-890) and is in a condition for safe operation. (2) This propeller has been subjected by th e manufacturer to a final operational check and is in a proper state of airworthine ss. 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, Ai rworthiness Certification of Civil Aircraft, Engines, Propellers and Related Produc ts, Imported into the United States. NOTE 1. Propeller Model Designation. The model designation of a complete 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 designation 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 147 / 4 -20 -4 / 20 E Indicates propeller suitable for use with oil to Spec'n.D.ENG. R.D. 2487 or Aviation Esso 35. Suffix used after 3-21-58 since only synthetic oil (2487) will be used. 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 . 4 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 - 4 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. 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 Rotol constant speed control and synchronizing equipment. NOTE 4. (a) Feathering. Eligible only with Rotol feathering unit and approved switches installed in accordance with propeller manufacturer's instructions. (b) Reversing. Not applicable. NOTE 5. Left-Hand Model. These propellers are designed and manufactured for left-hand tractor only. NOTE 6. Not applicable. NOTE 7. Accessories. (a) Propeller deicing. Eligible with only Rotol electric deicing equipment installed in accordance with the propeller manufacturer's instructions. (b) Spinners. Eligible only with spinners designed and supplied by Rotol. NOTE 8. Not applicable. 3 P-890 NOTE 9. Approved Installations. Propellers listed in this specification are approved only for use in the engine-aircraft combinations shown below: Propeller Model Aircraft Model Engine Model CAA Specifications Aircraft Engine (c)R130/4-20-4/12 E Vickers Rolls Royce A-814 E-283 Viscount 745D Dart 510 (c)R179/4-20-4/33 Vickers Rolls Royce A-814 E-297 Viscount 810 Dart 525, 525F (c)R148/4-20-4/21E Vickers Rolls Royce A-814 E-283 Viscount 744 Dart 506 NOTE 10. The "word" eligib le as used herein does not signify approval. In approval, compliance with the applicable aircraft airworthiness requirement is necessry. NOTE 11. Propeller component life lim its are as quoted in Dowty Rotol Service Bulletin No. 61-54. NOTE 12. 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 (9, in force first) - [AD 81-16-02](https://openairdocs.org/ad/81-16-02): Pitch Lock Cylinder · Dowty Propellers (c) R.209/4-40-4.5, (c) R.245/4-40-4.5, (c) R.259/4-40-4.5 and 4 more. Effective Jul 28, 1981 - [AD 72-14-01](https://openairdocs.org/ad/72-14-01): Blade Bearing Retaining Bolts · Dowty Propellers (c) R.209/4-40-4.5, (c) R.245/4-40-4.5, (c) R.259/4-40-4.5 and 9 more. Effective Jul 22, 1972 - [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 69-23-04](https://openairdocs.org/ad/69-23-04): Cylinders · Dowty Propellers (c) R130/4-20-4/, (c) R148/4-20-4/, (c) R175/4-30-4/ and 1 more. Effective Dec 11, 1969 - [AD 69-19-03](https://openairdocs.org/ad/69-19-03): Hub · Dowty Propellers (c) R130/4-20-4/ and (c) R148/4-20-4/. Effective Oct 6, 1969 - [AD 67-10-03](https://openairdocs.org/ad/67-10-03): Cylinders · Dowty Propellers (c) R130/4-20-4/, (c) R148/4-20-4/, (c) R175/4-30-4/ and 1 more. Effective Apr 1, 1968 - [AD 66-09-01](https://openairdocs.org/ad/66-09-01): Blade · Dowty Propellers (c) R130/4-20-4/, (c) R148/4-20-4/, (c) R175/4-30-4/ and 4 more. Effective Sep 13, 1966 - [AD 66-09-02](https://openairdocs.org/ad/66-09-02): Pitch Lock · Dowty Propellers (c) R179/4-20-4/, (c) R184/4-30-4/ and (c) R193/4-30-4/. Effective Jun 16, 1966 - [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. --- 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.