- Holder
- Dowty Propellers
- Revision
- 1
- Revised
- February 27, 2007
- Status
- Current
- Product
- Propeller
- Certification basis
- Part 21, Part 35
- Models
- 1
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 1
| Model | Also known as | Note |
|---|---|---|
| (c) R. 390 | Formerly Dowty Rotol Limited, then Dowty Aerospace Propellers |
Airworthiness directives · 3
ADs whose products are models on this data sheet, matched by model and maker.
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
TYPE CERTIFICATE DATA SHEET P31NE
TCDS NUMBER P31NE
REVISION: 1
DOWTY PROPELLERS
MODEL/S: (c)R. 390
February 27, 2007
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No.
P31NE) 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 and other approved instructions.
Type Certificate Holder Dowty Propellers
Anson Business Park
Cheltenham Road East
Gloucester, GL2 9QH, England
Type Constant speed; hydraulic (See Notes 3 and 4)
Engine flange Special flange with 12 bolts and 2 dowels (all at 5.125 inches P.C.D.)
Hub material Aluminum alloy
Blade material: Composite glass and carbon re-inforced plastic
Number of blades 4
Design series (c) R.390
BLADES
(See Note 2 )
MAXIMUM
CONTINUOUS
HP RPM
<TAKE OFF>
HP RPM
NOMINAL
DIAMETER
APPROXIMATE
WEIGHT
660714214-6 1,700 1,384 1,750 1,384 132 inches 216.0 lbs.
CERTIFICATION BASIS: FAR 21.29 and FAR 35 effective February 1, 1965, Amendments 35-1
through 35- 6. Compliance established by equivalency to British Civil
Airworthiness Requirements (BCAR) Section A Issue 24 Chapter A3-2 (Grey
Paper No. A44 3 June 1980). Section C Issue 12 Chapters C1-1, C1-2, and
sub-section C5, together with the installation requirements of JAR 25,
Change 13, Paragraphs 33,901(c) 905, 907, 933(c), 937 and 1337, also
Special Requirements detailed in CAA letter ref 9/216/11 dated 5 June 1981.
Civil Aviation Authority (UKCAA) originally type certificated this propeller
under its Type Certificate Number 113. The FAA validated this product under
U.S. Type Certificate Number P31NE. 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 Number 113
TC APPLICATION DATE: October 5, 1992
Page No. 1 2 3
Rev No. 1 1 1
P31NE Page 2
TC ISSUED: October 15, 1992
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 (Type Certificate
number P31NE) 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.
NOTES
NOTE 1. Propeller Model Designation
(c) R / 4 -123 /- F390 27
The model designation of a complete Dowty Aerospace Propeller assembly
consists of the basic model designation with prefix and suffix letters and
numbers as shown below:
Prefix
Basic model designation
Suffix
Suffix number denotes interchangeable design standards.
Engine flange mounted
Blade shank size No. 123
Number of blades - 4
Prefix number notes non-interchangeable design standard.
Dowty Aerospace
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 Aerospace 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: Propeller pitch control unit. woodward governor type 663006008,
663006009, 663006010
Page 3 P31NE
NOTE 4: (a) Feathering:
(b) Reversing:
Model incorporates feathering and unfeathering features by means of
counterweights and motor/pump unit, Dowty Aerospace type
(c)RFP/34.
Model incorporates reversing feature.
NOTE 5: Right-hand model: (c) R.390 These propellers are designed and manufactured for right-
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 De-icing: Electrical de-icing with blade de-icing to Dowty
Aerospace drawing 660000929 for R390/4-123-F/27 .
(b) Spinners: Dowty Aerospace spinner design (c) SB.25/4/1 and
backplate 664005244 of Dowty Aerospace design.
NOTE 8: 8.1
8.2
Propeller types (c) R390/4-123-F/27 supersedes propeller type
R375/4-123-F/21 and features a new hub assembly.
MANUALS
Propellers 61-10-39
Spinner 61-10-40
Feathering Pump 61-20-26
Woodward PCU 61-20-27
Woodward OSG 61-20-28
NOTE 9: Approved installations: Propellers listed in this data sheet are approved from a vibration
standpoint only for use on the engine-aircraft combinations shown
below:
PROPELLER MODEL
AIRCRAFT MODEL
ENGINE
MODEL
FAA SPECIFICATION
OR
TC DATA SHEET
AIRCRAFT ENGINE
(c)R. 390/4-123-F/27
Saab
SF340A
SF340B
Max. T/O weight: 29,000
lbs.
Genl Electric
CT7-5A2
CT7-5A3
CT7-9B
A52EU E8NE
NOTE 10: Aircraft installations must be approved as part of the aircraft type certificate and demonstrate
compliance with the applicable aircraft airworthiness requirements.
NOTE 11: 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...