The Aviation DataBase: Service Information: Sensenich
The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Jul 18th, 2025
Home Products Library Support Account Login Contact
Installation & Maintenance Instructions
NameRevisionLangSubjectDate
B en W98AA, W96JA, W90T6JA Propellers9/12/2016
B en W98AB, W96JB, W90T6JB Propellers 9/12/2016
Installation & Operation Instructions
NameRevisionLangSubjectDate
A en Two Blade Composite Propeller for Volkswagon Engines10/19/2012
en Volkswagon Naturally Aspirated and Turbo Engines9/6/2017
D en Two Blade Composite Propeller for Direct Drive Engines1/16/2018
D en Two Blade Composite Propeller for Direct Drive Engines3/10/2020
3 en Two Blade Composite Propeller for ULPower Engines8/25/2014
en Two Blade Composite Propeller for Lycoming and Continental Engines9/29/2017
B en Two Blade Composite Propeller for Lycoming and Continental Engines11/12/2021
5a en Two Blade Composite Propeller for Lycoming Engines5/15/2013
en Two Blade Composite Propeller for Lycoming Engines12/4/2017
en Two Blade Composite Propeller for Lycoming Engines4/2/2021
en Two Blade Composite Propeller for Lycoming Engines8/3/2020
en Two Blade Composite Propeller for Lycoming Engines1/21/2021
A en Two Blade Composite Propeller for Lycoming Engines11/15/2023
8 en Two Blade Composite Propeller for Lycoming Engines8/25/2014
9 en Two Blade Composite Propeller for Lycoming Engines11/11/2014
A6 en Three Blade Composite Propeller for Rotax Engines6/30/2011
A7 en Three Blade Composite Propeller for Rotax Engines6/25/2012
C en Three Blade Composite Propeller for Rotax Engines10/2/2018
en Three Blade Composite Propeller for Rotax Engines6/30/2011
A en Three Blade Composite Propeller for Rotax Engines6/25/2012
en Three Blade Composite Propeller for UL Power Engines6/16/2017
en Three Blade Composite Propeller for Lycoming Engines1/21/2021
en Three Blade Composite Propeller for Lycoming Engines6/14/2017
A en Three Blade Composite Propeller for Lycoming Engines11/6/2023
en Composite Ground Adjustable Airboat Propeller8/14/2014
en Two Blade Composite Propeller for Cessna 172 with Lycoming O-360 Engines11/9/2024
6I en Composite Ground Adjustable Airboat Propeller8/2/2023
1a en EZ-Pitch Composite Propeller11/26/2008
en L70A12/18/2015
en Two Blade Composite Propeller for Piper PA-18-15012/23/2020
A en Two Blade Composite Propeller for Piper PA-18-1506/6/2023
A en Two Blade Composite Propeller for Piper PA-12, PA-12S and PA-142/29/2024
en Saber7/31/2014
en Stacked V Hub 4/9/2018
en Talon Propeller2/1/2025
revised en Vortex 5/4/2021
en V Hub10/23/2024
en V Hub10/23/2017
Installation & Operation Manuals
NameRevisionLangSubjectDate
C5 en Two Blade Composite Propeller with Pitch Setting Gages for Jabiru and Rotax Engines6/30/2011
D en Two Blade Composite Propeller with Pitch Setting Gages for Jabiru and Rotax Engines3/14/2014
G en Two Blade Composite Propeller with Pitch Setting Gages for Jabiru and Rotax Engines4/1/2019
C en Two Blade Composite Propeller with Pitch Setting Gages for Corvair Engines12/12/2017
D en Two Blade Composite Propeller with Pitch Setting Gages for Corvair Engines10/28/2019
C en Three Blade Composite Propeller for Rotax Engines2/4/2020
D en Three Blade Composite Propeller for Rotax Engines
Installation Instructions
NameRevisionLangSubjectDate
en 20A0R5-H Installation Addendum for Viking Engine
A5 en Three Blade Composite Propeller for Rotax Engines6/30/2011
en Three Blade Composite Propeller for Rotax Engines
en 70CM Series2/28/1997
en Setting Blade Pitch Using an Airfoil Template
en Fixed Pitch Metal Propellers Using Lock Nuts8/10/2005
en Composite Spinners
en Fixed Pitch Metal Propellers Using Flanged Shaft Drive Bushings8/10/2005
en Fixed Pitch Metal Propellers Using Flanged Shaft Drive Bushings8/10/2005
en Converting "M6" Bolt Holes to "M7" Bolt Holes in Fix Pitch Metal Propellers9/4/2003
en Metal Propellers (Experimental Aircraft Installations)3/26/2001
en Fixed Pitch Metal Propellers Using SAE No. 0 Taper Shaft Hub8/11/1998
Installation, Operation & Maintenance Instructions
NameRevisionLangSubjectDate
F en W69EK7 Series Wood Propeller with 7/16" Bolt Attachment for Diamond DA-20-C1
G en W69EK7 Series Wood Propeller with 7/16" Bolt Attachment for Diamond DA-20-C1 11/18/2016
H en W69EK7 Series Wood Propeller with 7/16" Bolt Attachment for Diamond DA-20-C110/29/2017
Instructions for Continued Airworthiness
NameRevisionLangSubjectDate
en G-Shank Series Composite Ground Adjustable Propellers4/7/2022
Notifications
NameRevisionLangSubjectDate
en Magneto Failures/Propeller Harmonics9/27/2013
Propeller Logbooks
NameRevisionLangSubjectDate
A en Ground Adjustable Aircraft Propeller10/6/2008
B en Ground Adjustable Aircraft Propeller3/22/2010
en 70CM Series Fixed Pitch Metal Propeller
en Fixed-Pitch Metal Propellers
Repair Manuals
NameRevisionLangSubjectDate
en Metal Propeller
Service Bulletins
NameRevisionLangSubjectDate
en Inspection of Blade Shanks for Possible Cracks7/21/2010
en Rotax Hub Loss of Pitch4/15/2011
en Inspection of Shank Plugs for Looseness8/17/2017
1 en Sensenich Skyblade Propeller Blades1/29/1960
en Cessna 170-17211/1/1957
en Use of Jabiru Composite Propeller Blades on UL Power Engines2/4/2014
en Inspection of Adjustable Pitch Hubs for Cracks6/2/2016
B en Inspection of Adjustable Pitch Hubs for Cracks ((FAQ, Form))7/18/2018
B1 en Inspection of Adjustable Pitch Hubs for Cracks ((FAQ, Form))8/12/2024
en Inspection of Adjustable Pitch Hubs for Cracks2/25/2019
en Life Limits for First Generation Composite Airboat Blades1/2/2019
en Possible Cracking of Propeller Hub Clamping Bolts2/18/2009
C en Possible Cracking of Propeller Hub Clamping Bolts12/28/2022
en Fixed Pitch Metal Propellers Model M76AM-2 Installed on Lycoming Engines, Model O-290-D and O-290-D22/10/1954
en Replacement of Sensenich M76AM-2 Propellers Installed on 135 HP. Lycoming O-29O-D2 Engines with the Model M74DM10/31/1956
en Inspection of Sensenich Propellers; Applies to M74DM Propellers, Except Those with Serial Numbers Preceded by the Letters "A" OR "K", Installed on Lycoming O-320-B Series (160 H.P.) Engines9/22/1961
en Sensenich Skyblade Hub Models C3FR4 and CS3FR5 Installed on Stinson 165 Airplanes; Bellanca 14-13, H.P.; Goodyear 6A-2B. C2FM and CS2FM Series of Skyblade Hub Models Installed on Piper PA-12. 14, 16 and Piper Pacer PA-20 with Lycoming O-235C1 Engine. Monocoupe 90AL-115 Airplanes12/7/1962
en Inspection of Mid-Blade Area of MT6EMM and M76EMMS Propellers3/1/1966
A en Removal of Mid-Blade Decals and Inspection of Mid-Blade Area for Corrosion Pits and Cracks2/6/1967
en Tip Failures of Model M76EMM-0, M76EMMS-0, 76EM8-0, and 76EM855-0 Propellers on all Lycoming 0-360 Series Engines Except the O-360-A4A4/11/1969
A en Metal Fatigue in M76EMM, M76EMMS and 76EM8 Series Propellers with Up to a 4 Inch Spacer Length Installed on Lycoming 0-360 Engines, Up to 180 HP @ 2700 RPM7/28/1995
A en Inspection of Propeller Blade Areas for Corrosion - All Sensenich Fixed Pitch Metal Propellers10/4/1989
en Improved Propeller Blade-Angle Distribution8/1/1988
en Increase of TBO (Time Between Overhaul/Reconditioning Cycle) From, 1000 Hours to 2000 Hours3/16/1999
Service Letters
NameRevisionLangSubjectDate
en Metal Propeller Installation, Attaching Bolt Wrench Torque1/15/1980
Service Memos
NameRevisionLangSubjectDate
en Limits for Repitch of Fixed-Pitch Metal Propellers9/3/1986
C en Possible Cracking of Propeller Hub Clamping Bolts
E en Possible Cracking of Propeller Hub Clamping Bolts8/26/2009
F en Possible Cracking of Propeller Hub Clamping Bolts2/15/2010
G en Possible Cracking of Propeller Hub Clamping Bolts10/10/2014
Specification Sheets
NameRevisionLangSubjectDate
en 70JM Series
en 72JM Series
en 772JN Series
en 72JW-76JW Series
en 80JW Series
en 82JR Series
en 82JX Series
en Aircraft Composite
en Aplha Series
en H Series
en Hub Dimensions
en J-Series
en Next Generation
en Q Series
en R Series
en S Series Super Wide
Spinner Documents
NameRevisionLangSubjectDate
en Application of Substrate and Top Coat
en 70CM Spinner Cut Out 1337095984
en C2326
en C2363
en C2366
en C2372
en C2373
en C2385
en C2386
en C2396
en C2401
Spinner Installation Manual Supplements
NameRevisionLangSubjectDate
en 12 Inch Cu Composite Spinners
en Composite Spinners
Miscellaneous
NameRevisionLangSubjectDate
en Usage of a Sensenich 74DR Series Propeller on a Continental C-145 and Cessna 17210/13/2004
en 69CK (Cessna 150 A thru K)6/1/2024
en Application Guide1/1/1944
en Composite Blade Recommendation Guide
en Bolt Replacement11/18/2021
en Propeller Brochure
en Propeller Vibration Checklist3/29/1996
en Propeller Vibration Checklist2/12/1997
en Metal Propeller Production Date List
en Definitions
6 en Composite Propeller Diameters3/12/2012
en Engineering Memo: Propellers are Sometimes Modified Beyond Limits Imposed by Respective Propeller Type Certificate Data Sheets12/31/1979
en Hub Stamping on Spacer Removal
en Fixed-Pitch Aluminum Propeller Installation Guide
en Fixed-Pitch Wooden Propeller
en Fixed-Pitch Wooden Propeller
en Fixed-Pitch Metal Propellers Instructions for Use and Care9/4/1997
en Fixed & Variable UAV Propellers
1 en Composite Propeller Diameters - "L70JM" & "L745JN"9/6/2017
en Kit List1/1/2019
en Propeller Log Book5/1/2020
en When was my Metal Propeller Made?
en Median Pitches
en Memo
en Minimum Diameters and RPM Restrictions (Placards) Allowable
en Model Designation
en Model Designations - Old vs. New
en Metal Prop Overhaul
en Calculating Pitch
en Solving Propeller/Aircraft/Engine Performance Problems
en Fixed-Pitch Metal Propellers Instructions for Use and Care
en Angle Measurement Instructions Using Airfoil Template
en Wood Propeller Serial Numbers4/5/2023
en Wood Propeller Serial Numbers7/27/2020
en Wood Propeller Serial Numbers7/22/2016
en Composite Serial Numbers4/5/2023
en Composite Serial Numbers7/22/2016
en Composite Serial Numbers7/27/2020
en Tapered Shaft Hub Installation Notes
en Incorrect Static or Level Flight RPM Readings
en Application of Substrate and Top Coat
en Supplemental Airworthiness Instructions for Bonded Metal Erosion Shields10/30/2017
A en Supplemental Airworthiness Instructions for Bonded Metal Erosion Shields8/14/2018
en Minimum Hub Thickness11/16/2015
en Wrench Torque Values
en Troubleshooting Field Repair Specs
en Metal Propeller Walk Thru
en Metal Propeller Weights
A en Wood Propellers: Installation, Operation & Maintenance - Integral Flange Crankshafts5/20/2004