# TCDS P-869: Sensenich Propeller Manufacturing Company Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Sensenich Propeller Manufacturing Company Inc.
- Revision: 11
- Revised: April 13, 1970
- Product: Propeller
- Data sheet PDF: https://openairdocs.org/files/sha256/99/95/9995c3803cb2f0c0e90b455f3a5d4aadbd654099ab329e0863df29b14e87c3ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EDB56FFD9448ECBC85256713004D1924.0001
- Page: https://openairdocs.org/tcds/P-869

## Models (2)

As the data sheet lists them.

- CS-3FM4
- CS-3FR5

## What the data sheet says

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

```text
Page No. 1 2
Rev. No. 11 11
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
P-869
Revision  11
SENSENICH
CS-3F
April 13, 1970
TYPE CERTIFICATE DATA SHEET NO. P-869
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P-869) 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 Sensenich Corporation
Lancaster, Pennsylvania  17604
Type Manually controllable, Hydraulic  (see Note 3)
Engine shaft SAE No. 2 flange, SAE No. 3 flange
Hub material Steel
Blade material Laminated birch, plastic covering outer 15" of blade, or plastic covering entire blade;
Monel tipping; aluminum pigmented varnish.
Number of blades Two
Hub models eligible CS-3FM4, CS-3FR5   (see Note 1)
Blades Eligible Maximum Continuous Takeoff Diameter Limits Hub and Blade Weight
(See Note 2) HP RPM HP RPM (See note 2) Max. Dia.
C374A7-0
     to
C374A7-4
135 2600 135 2600 74"   -   70"
(-0 to -4)
34 lb.
C374E-0
    to
C374E-2
140 2800 140 2800 74"  -  72"
(-0 to -4)
34 lb.
C374L-0
    to
C374L-0
135 2600 140 2800 74"  -  74"
(-0 to -0)
34 lb.
C-376B3-0
    to
C-376B3-6
165 2800 165 2800 76"  -  70"
(-0 to -6)
37 lb.
C-376B4-0
    to
C-37B4-6
165 2800 165 2800 76"  -  70"
(-0 to -6)
37 lb.
C376E-0
   to
C376E-2
165 2800 165 2800 76"  -  74"
(-0 to -2)
37 lb.
Certification basis Type Certificate No. P-869 dated July 30, 1948.
Date of Application for Type Certificate May 13, 1948.
Production basis Production Certificate No. 1

P-869 2
NOTE 1. Hub Model Designation
Hub model designation
L CS - 3 F R 5 - 1
Minor change not affecting eligibility
Major design series
M denotes SAE No. 2 Flange
R denotes SAE No. 2 Flange
Flange shaft
Sensenich blade shank size
Constant speed (see Note 3)
Denotes left-hand rotation
NOTE 2. Blade Model Designation
L P C - 3 76 B 3 - 6
Number of inches cut off from basic diameter.
Major design change
Type of blade centerline arrangement
Basic propeller diameter in inches
Sensenich blade shank size
Controllable pitch
Denotes entire blade covered with plastic
Denotes left hand blade
NOTE 3. Pitch Control.  (1)  Eligible with Sensenich hydro-control valve Model L-2160 with propeller when installed
on Lycoming O-235-C1 or O-290-D engine and Model F-2164 when installed on Franklin 6A4-165 engine.
(Constant speed feature with governor, although approved, was never incorporated).
NOTE 4. (a)  Feathering Not applicable.
(b)  Reversing. Not applicable.
NOTE 5. Left-Hand Models.  The left hand version of an approved model propeller is eligible at the same rating and
diameter as listed for the right hand model.  See NOTES 1 and 2.
NOTE 6. Interchangeable Blades.  Varnished blades and plastic covered blades of the same basic model and diameter
are interchangable aerodynamically in pairs.
NOTE 7 & 8. Not applicable.
NOTE 9. Approved Installations.  Intentionally left blank.
NOTE 10. The word "eligible" as used herein does not signify approval.  For approval, compliance with the applicable
aircraft airworthiness requirements is necessary.
....END.....
```

## ADs (2, in force first)

- [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 63-19-04](https://openairdocs.org/ad/63-19-04): Wood Blade Shank · Sensenich Propeller Manufacturing C-2FM3, C-2FM4, C-2FM5 and 7 more. Effective Oct 15, 1963

---
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.