# TCDS P-899: Dowty Propellers - Type: Type certificate data sheet - Status: Current - Holder: Dowty Propellers - Revision: 25 - Revised: February 27, 2007 - Product: Propeller - Certification basis: Part 21, Part 35 - Data sheet PDF: https://openairdocs.org/files/sha256/70/c1/70c104973cbb8f88c4f5951a553a18e4e8d23369e19deeeb5ad5c5dc19b28a2d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F6EA340EC554D50C86257670006EA499.0001 - Page: https://openairdocs.org/tcds/P-899 ## Models (9) As the data sheet lists them. - (c) R201/4-30-4/ - (c) R175/4-30-4/ - (c) R187/4-30 - (c) R251/4-30-4/ - (c) R193/4-30-4/ - (c) R184/4-30-4/ - (c) R186/4-30-4/ - (c) R257/4-30-4/ - (c) R212/4-30-4/ ## 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-899 TCDS NUMBER P-899 REVISION: 25 DOWTY PROPELLERS MODEL/S: (c) R-/4-30-4/ February 27, 2007 Propellers of models described herein conforming with this data sheet (which is a part of type certificate no. 899) 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. 4 S.B.A.C. Hub material Steels S.97 Blade material Aluminum alloy, DTD.150 No. of blades 4 Design series eligible (c) R175, R184, R186, R187, R193, R201, R212, R257, R251 Blades Eligible Maximum Continuous Takeoff Nominal Approx Maximum Weight Complete (See NOTE 2) HP RPM HP RPM Diameter (For reference only) RA 25899 1600 1247 1600 or 1247 12' - 0" 375 lbs. 1700 RA 25907 1950 1395 1950 or 1395 11' - 6" 426 lbs. 1990 RA 25917 1950 1395 1950 1395 11' - 6" 409 lbs. RA 25941 1950 1395 2040 1395 12' - 6" 423 lbs. RA 25953 in R212/R251 1950 1395 2700 1395 12' - 0" 420 lbs. RA 25953 in 1950 1395 1950 1395 12' - 0" 420 lbs. R212 DC-3 RA 25907/ 601023450 in R193 2250 1395 2560 1395 11' - 6" 426 lbs. RA 25907 in R184 1950 1395 2610 1395 11' - 6" 426 lbs. RA 25941 1950 1395 2390 1395 12' - 6" 423 lbs. in R187 RA 25941 in R257 1950 1395 2560 1395 12' - 6" 423 lbs. Certification basis FAR 21.29 and British Civil Airworthiness Requirements Section C, Sub-Section C5, dated June 15, 1966. (BCAR Sub-Section C5 is equivalent to FAR 35 effective February 1, 1965, except FAR 35.35, to which compliance has been demonstrated as a Special Condition). Page No. 1 2 3 4 Rev. No. 25 25 25 25 P-899 2 Civil Aviation Authority (UKCAA) originally certificated propeller (c)R184 under letter dated April 1959; propellers (c)R193 under its Type Certificate Number 104; and propellers (c) R212 and (c) R251 under its Type Certificate Number 107. The FAA validated this product under U.S. Type Certificate Number P-899. 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: UKCAA Type Certificate No. 104 for (c)R193 UKCAA Type Certificate No. 107 for (c)R212 and (c)R251 TC Application Date: May 30, 1956 TC Issued : September 6, 1957 Import requirements: To be considered eligible for inst allation 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. P-899) and is in a condition for safe operation. (2) This propeller has been subjected by the ma nufacturer to a final operational check and is in a proper state of airworthiness. Refe rence 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 issu ed. Additional guidance is contained in FAA Advisory Circular 21-23, Airworthiness Certif ication of Civil Aircraft, Engines, Propellers and Related Products, Imported into the United States. 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 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 175 / 4 -30 -4 / 13 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 . 3 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) 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 and synchronizing equipment. NOTE 4. (a) Feathering. Eligible only with Dowty 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. Interchangeable Blades Only blades of the same part numbers are interchangeable and may be incorporated in the same 3 P-899 propeller. NOTE 7. Accessories. (a) Propeller deicing. Eligible with only Dowty Rotol electric deicing equipment installed in accordance with the propeller manufacturer's instructions. (b) Spinners. Eligible only with spinners designed and supplied by Dowty Rotol. NOTE 8. Not applicable. 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 TC Data Sheet Engine Model TC Data Sheet (c)R175/4-30-4/13 Fairchild F-27, F-27B 7A1 511, 511-7E, 514-7 E-283 (see Note 10(b) (c)R175/4-30-4/13e Fokker F-27 (Marks A-817 511, 511-7E, 514-7 E-283 (see Note 10(b) 100, 300, and 700) (c)R184/4-30-4/50 Grumman G-159 1A17 529, 529-8E, 529-8H, E-297 (see Note 10(b) 529-8X (c)R186/4-30-4/16 Armstrong Whitworth 526 E-297 (see Note 10(b) AW-650 (Argosy) 7A9 (c)R187/4-30-4/18 Handley Page 527 E-297 (see Note 10(a) Herald A21N (c)R193/4-30-4/50 Fokker F-27 (Marks A-817 528-7E, 532-7, 532-7R, E-297 and 61 200, 400, 500 & 600 535-7R, 551-7R (see Note 10(b) Fairchild F-27A 7A1 528, 528-7E E-297 Fairchild F-27F F-27G 7A1 529-7E E-297 Fairchild F-27J 7A1 532-7 E-297 Fairchild Hiller 7A1 532-7 E-297 FH-227 (c)R193/4-30-4/65 (see Note 10(b)) Fokker F-27 Marks 200, 400, 500, and 600 551-7 (c)R257/4-30-4/60 Fairchild Hiller 532-7 E-297 (see Note 10(a) FH-227B, FH-227C 7A1 Fairchild-Hiller 7A1 FH-227D, FH-227E 532-7L E-297 Fairchild F-27M 7A1 532-7N E-297 (c)R212/4-30-4/22 H.S.A. 748 Series A24EU 532-2L, 535-2 E-297 (see Note 10(a)) 2A and 2B (c)R212/4-30-4/22 (see Note 10(a) & (c) Super DC-3 STC SA324WE 532-2L, (water methanol: deleted) E-297 (c)R184/4-30-4/50 Stretched G-159 STC 529, 529-8E, 529-8H, E-297 (see Note 10(b)) SP118050 529-8H (c)R251/4-30-4/49 H.S.A. 748 Series A24EU 532-2L, 535-2 E-297 (see Note 10(a)) 2A an 2B P-899 4 NOTE 10. (a) Propellers (c)R187/4-30-4/18; (c)R212/4-30-4/22; (c)R251/4-30-4/49 and (c)R257/4-30-4/60. During ground running, continuous operation between 8,500 - 9,500 engine r.p.m. is to be avoided. (b) Propellers (c)R175/4-30-4/50; (c)R184/4-30-4/50; R186/4-30-4/16 and (c)R193/4-30-4/50, 61 and 65. Continuous running below 7,000 e ngine r.p.m. is prohibited. (c) 1. Applies to Rolls-Royce Dart 532-2L engi nes with water methanol system deleted and operated at a maximum power of 1950 s.h.p. at 15,000 turbine r.p.m. 2. All static ground running at takeoff r.p.m. must be done with the aircraft facing into the wind plus or minus 60 °, when the wind velocity exceeds 15 knots. NOTE 11. Propeller component life lim its are as quoted in Dowty Rotol Service Bulletins No. 61-542 and 61-954 series. NOTE 12. Special Notes. The word "eligible" as used herein does not signify approval as part of this type certificate. "Eligible" accessories and pitch controls must be approved as part of the aircraft type certificate upon compliance with the applicable aircraft airworthiness requirements. NOTE 13. 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 (18, in force first) - [AD 2011-19-02](https://openairdocs.org/ad/2011-19-02): Propeller hub port buttress threads · Dowty Propellers (c) R212/4-30-4/ and (c) R251/4-30-4/. Effective Nov 9, 2011 - [AD 2010-10-23](https://openairdocs.org/ad/2010-10-23): Blade pitch · Dowty Propellers (c) R175/4-30-4/, (c) R184/4-30-4/, (c) R193/4-30-4/ and 5 more. Effective Jun 25, 2010 - [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 81-16-03](https://openairdocs.org/ad/81-16-03): Hub · Dowty Propellers (c) R175/4-30-4/. Effective Jul 28, 1981 - [AD 78-09-03](https://openairdocs.org/ad/78-09-03): Hub and Driving Center Assembly · Dowty Propellers (c) R193/4-30-4/. Effective May 22, 1978 - [AD 77-09-07](https://openairdocs.org/ad/77-09-07): Hub Driving Center · Dowty Propellers (c) R175/4-30-4/ and (c) R212/4-30-4/. Effective May 19, 1977 - [AD 76-18-03](https://openairdocs.org/ad/76-18-03): Hub and Driving Center Assemblies · Dowty Propellers (c) R184/4-30-4/, (c) R193/4-30-4/ and (c) R257/4-30-4/. Effective Oct 1, 1976 - [AD 75-15-04](https://openairdocs.org/ad/75-15-04): Hub and Driving Center Assemblies · Dowty Propellers (c) R212/4-30-4/. Effective Aug 15, 1975 - [AD 73-12-02](https://openairdocs.org/ad/73-12-02): Hub Front Wall · Dowty Propellers (c) R186/4-30-4/. Effective Jul 1, 1973 - [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 70-16-08](https://openairdocs.org/ad/70-16-08): Operating Pins · Dowty Propellers (c) R175/4-30-4/ and (c) R193/4-30-4/. Effective Sep 5, 1970 - [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 68-20-07](https://openairdocs.org/ad/68-20-07): Dowty Propellers (c) R184/4-30-4/, (c) R193/4-30-4/ and (c) R257/4-30-4/. Effective Oct 8, 1968 - [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 (4) - [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 SP01065NY](https://openairdocs.org/stc/SP01065NY): Installation of Aero Consulting Services P/N C12501-1 stainless Steel leading edge erosion protection petals as replacements for Dowty Rotol Leading Edge Petals.. Piedmont Aviation Services, Inc. - [STC SP00879NY](https://openairdocs.org/stc/SP00879NY): Replacement of leading edge anti-erosion petals Dowty p/n 660401627 - 660401682 with Aero consulting services ltd p/n B33901-1. (R184/4-30-4/with p/n RA 25907 blades) (R193/4-30-4/ with p/n RA 25907 blades) (R212/4-30-4/ with p/n RA 25953 blades). Aero Consulting Services Ltd - [STC SP1051EA](https://openairdocs.org/stc/SP1051EA): Installation of Safeway de-icer overshoe P/N 5938 and Semsa lead P/N S2002. (R212/4-30-4/ 22) (R257/4-30-4/ 60). UNC Accessory Service --- 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.