# TCDS P-861: Sensenich Propeller Manufacturing Company Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Sensenich Propeller Manufacturing Company Inc.
- Revision: 6
- Revised: November 1, 1968
- Product: Propeller
- Data sheet PDF: https://openairdocs.org/files/sha256/db/f7/dbf7716cf3f00e01bfd2d93a38e4fe5a0d6df90f3d1cb75bd4167a236979842f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6FD95D20ADD531FD85256713004D0513.0001
- Page: https://openairdocs.org/tcds/P-861

## Models (3)

As the data sheet lists them.

- CS-2FM4
- CS-2FM6
- CS-2FM5

## 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. 6 6
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
P-861
Revision  6
SENSENICH
CS-2F
November 1, 1968
TYPE CERTIFICATE DATA SHEET NO. P-861
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P-861) 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 Hydraulically controllable, two-position manual  (see Note 3)
Hub material Steel
Blade material Vertical laminated birch with steel ferrule fastened to shank with leg screws.  Plastic
covered with metal tipping.
Number of blades Two
Hub models eligible CS-2FM4, CS-2FM5, CS-2FM6
Blades Eligible Maximum Continuous Takeoff Diameter Limits Hub and Blade Weight
(See Note 2) HP RPM HP RPM (See note 2) Max. Dia.
PC-276A6-0
       to
PC-276A6-6
112 2665 115 2875 76"   -   70"
(-0 to -6)
27 lb.
PC-276A7-0
       to
PC-276A7-6
112 2665 115 2875 76"  -  70"
(-0 to -6)
27 lb.
Certification basis Type Certificate No. P-861 dated September 8, 1947
Date of application for Type Certificate August 1, 1947.
Production basis Production Certificate No. 1
NOTE 1. Hub Model Designation
Hub model designation
CS - 2 F * 1 - 1
First minor design change
First major design change
* B indicates SAE No. 1 flange
* M indicates SAE No. 2 flange
Flange type of engine shaft adaptation
Sensenich blade shank size
Constant speed
Hub details

P-861 2
Model
Bolt Circle
Diameter
No. of
Bolts
Bolt Hole
Diameter
Bolt
Diameter
CS-2FM4 4-3/4" 6 41/64" 5/8"  (bushing)
CS-2FM5 4-3/4" 6 41/64" 5/8"  (bushing)
CS-2FM6 4-3/4" 6 41/64" 5/8"  (bushing)
NOTE 2. Blade Model Designation
Blade model designation
P C - 2 76 A 6 - 6
Number of inches cut off (or added to) basic propeller diameter.
Dash for subtraction from basic diameter (plus sign for addition
to basic diameter.
Sixth major change
Type of blade centerline arrangement.
Basic propeller diameter in inches.
Sensenich blade shank size.
Controllable pitch
Plastic covered blade
NOTE 3. Pitch Control
(1) Eligible as manual two-position; or manual controllable with Sensenich Model L-2160 hydrocontrol
valve.
(2) For constant speed use only Woodward Governor Models X662-04 and X662-010, Weight 2.0 lb.
NOTE 4. Feathering Not applicable.
NOTE 5. Left-Hand Models.  The letter "L" preceding the hub and blade designations indicates left-hand models
which are eligible at the same rating and diameter limitations as listed for the right-hand models.
NOTE 6. Interchangeable Blades.  All blade models contained in this data sheet are interchangeable, but only
identical models can be paired in the same hub for reason of balance.
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

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