The Aviation DataBase: Service Information: Hoffmann
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Instruction Manuals
NameRevisionLangSubjectDate
1 en HO-V72( ), HO-V72( )-V Constant Speed Propeller and HO-V72( )-S Feathering Propeller3/16/1994
en HO-E315( )( )-( )-( ) Ground Adjustable Propeller5/31/1991
Operating & Maintenance Manuals
NameRevisionLangSubjectDate
de HO-V421/1/1972
de Solid Wood Composite5/31/1989
de HO-V72; ( )-V; ( )-S Constant Speed Propeller5/31/1983
A en HO-V 62 Mechanical Two-Position Propeller (Take Off and Feathering) and HO-V 62 R - ( ) Mechanical Three-Position Propeller (Take Off, Cruise and Feathering)7/31/2003
en HO( ) Series & HO4( ) Series Fixed Pitch Propeller1/31/2002
B en HO-E 214 ( ) Ground Adjustable Pitch Propeller3/31/2012
1 en HO-V 72 ( ), HO-V 72 ( )-V Constant Speed Propeller and HO-V 72 ( )-S Feathering Propeller2/28/1994
A en HO-V 123 ( ) ( ) Constant Speed Propeller5/31/2002
en HO-V92 Constant Speed Propeller4/30/1985
en HO-V 113 ( ) ( )-( )-( ) Constant Speed Propeller9/30/1988
en HO-V 123F-VR Mechanically Controlled Variable Pitch Propeller6/30/1990
en HO-E315 ( ) ( )-( )-( ) Ground Adjustable Propeller5/31/1991
A en HO-V183( )-( ) Three Bladed Lightweight Constant Speed Propeller4/30/2012
en HO-V343 ( ) Constant Speed Propeller5/31/2001
A en HO-V343 ( ) Constant Speed Propeller1/31/2012
A en HO-V 352 ( ) ( ) Constant Speed Propeller & HO-V 352 ( )- S1 Constant Speed Propeller with Mechanical Feathering9/30/2002
en HO-V 123( )-DFR & HO-V 123( )-DR Variable Pitch and Reversing Propeller9/30/1999
A en HO-V 373( )( ) -D( )R-( ) Variable Pitch and Reversing Propeller3/31/2008
A en HO-V123( )-KVT / ( ) Three Bladed Constant Speed Propeller3/31/2016
Publication Indexes
NameRevisionLangSubjectDate
2014 en Current Publication List7/16/2014
2012 en Current Operation and Maintenance Manuals List7/9/2012
2011 en Current Service Advisories List1/25/2011
2025 en Current Service Advisories List3/31/2025
2015 en Current Service Bulletins List12/9/2015
2025 en Current Service Bulletins List3/31/2025
2012 en Current Service Instructions List7/9/2012
2025 en Current Service Instructions List3/31/2025
2012 en Current Service Letters List6/17/2012
2025 en Current Service Letters List3/31/2025
2008 en Current Type Certificates/ Type Certificate Datasheets List10/7/2008
Service Advisories
NameRevisionLangSubjectDate
en HO-V352 - Change of Parts for Better Availability3/14/1996
B en Designation for Minor Modifications of Parts with S/No.12/28/2007
C en Designation for Minor Modifications of Parts with S/No.1/24/2011
A en Inconsistent Designation of 4-Bladed Fixed Pitch Propellers HO 4 Due to Missing Wildcards7/14/2014
Service Bulletins
NameRevisionLangSubjectDate
AP en Operating Time & Maintenance Intervals7/9/2021
AR en Operating Time & Maintenance Intervals3/28/2022
A en Alert Incorrect Blade Retention Nut Torque12/21/2021
AN en Operating Time & Maintenance Intervals2/18/2021
AS en Operating Time & Maintenance Intervals6/1/2022
AT en Operating Time & Maintenance Intervals7/29/2022
A en Alert Incorrect Maintenance Instructions in Manual DO1075 Revision A3/22/2024
A en Alert Improper Balancing/Overhaul11/20/2024
A en HO-V352 Designation2/25/2021
A en Improved Cruise-Lock HO-V62-R4/19/2021
C en Procedure of Tightening Blade Nuts2/22/2022
E en Procedure of Tightening Blade Nuts5/23/2022
F en Procedure of Tightening Blade Nuts9/2/2022
G en Procedure of Tightening Blade Nuts2/19/2024
A en Setting Counterweight Angle2/2/2022
B en Setting Counterweight Angle6/17/2024
B en Ensuring Correct Torque Tightening2/23/2022
A en List of Possible Propeller Spinner, Governor & Other Equipment11/8/2022
A en Operating Times & Maintenance Intervals12/13/2022
A en Typing Error in Parts Marking VP10-467-17/7/2022
B en Alternative Method for Bonding Stud Bolts5/24/2023
A en Useability of New & Old Spinner Parts11/23/2023
B en Useability of New & Old Spinner Parts4/9/2024
C en Useability of New & Old Spinner Parts7/19/2024
D en Useability of New & Old Spinner Parts9/2/2024
A en Measures to Prevent Cracking of Ferrules Due to Environmental Influences5/8/2024
en Horizontal Tail Surfaces Mounting in Front1/20/1987
en Shoulder Harness Fittings1/20/1987
en Additional Metal Fitting Fuselage-Wing Connection-Removal of Operation Restriction11/10/1986
en Attachment of Wheel Axle to Steel Support5/29/1991
AG en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers3/15/2007
AH en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers3/27/2008
AI en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers5/15/2008
AK en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers12/8/2008
AL en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers10/25/2010
AM en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers4/2/2013
U en Requirements of Continued Airworthiness6/22/1998
W en Requirements of Continued Airworthiness9/20/1999
C en Blade Root Retention2/20/1984
C1 en Blade Root Retention12/11/1984
en Hoffmann Constant-Speed-Propeller1/18/1988
en Mandatory Adapter VP10-351 and VP10-508 for "SPITFIRE" with Dowty Rotol Propeller3/30/1994
A en Undersized Blade Adapters VP 10-351 and VP 10-5085/10/2017
2 en HO-V123K-KV/180DT - Blade and Counterweight Check for Slingsby T67M with Lycoming AEIO-540-D4A53/23/1995
A en HO-V123( )-KV - Oil Leakage with Front Spacer VP20-12299/9/1997
A en Insufficient Torque on Propeller Mounting Bolts7/28/1998
C en HO-V343( )-( ) - Spinner Support VP30-463 with O-Ring Prp44312/28/2007
A en HO-V123 and HO-V343 - Exchange of Cylinder Mounting Screws12/27/2007
B en HO-V123 and HO-V343 - Exchange of Cylinder Mounting Screws3/10/2010
C en Possible Failure of Screws P/N: AN503-10-149/4/2020
B en HO-V343 - Exchange of Counterweight Clamp VP10-8439/18/2001
en Possible Hub Failure7/2/2004
A en Possible Hub Failure7/13/2004
B en Possible Hub Failure7/13/2004
en Broken Pitch Change Studs VP 20-4939/27/2005
en HO-V343/183GY - Blade Modifications C, D and E4/24/2006
A en HO-V343( ) - Hub Modification "D"6/2/2008
B en Possible Crack in Hub due to Former Ground Strike, Blade Shake or Loose Blades1/11/2010
A en Hub Cracks2/25/2010
B en Hub Cracks1/30/2013
B en Cracked Blade Ferrule7/26/2010
C en Cracked Blade Ferrule8/31/2010
A en Standardization of Propeller Identification10/17/2012
A en Mandatory Instances of Hub Cracks Found During Overhaul or Special Hub Inspection3/5/2013
A en Standardization of Propeller Identification6/11/2013
A en Unauthorized and/or Uncertified Overhaul/Repair of Wooden Fixed Pitch Propellers and/or Wooden Blades with Possibility of Damages which can cause Dangerous Propeller Failures, Loss of Propellers/Blades or Any Other Kind of Hazardous Failures6/28/2013
A en Higher Reliability in Case of Incorrect Installation of Counter Weights12/23/2013
B en Higher Reliability in Case of Incorrect Installation of Counter Weights9/25/2014
C en Higher Reliability in Case of Incorrect Installation of Counter Weights2/17/2015
en Locknuts for Propeller Installation were Found, with Stop did not Work Sufficient11/14/2013
A en Hoffmann Related Information Regarding EASA Publication SIB 2012-06R211/18/2013
A en Quality Issues in Beta-Tubes11/28/2016
A en Insufficient Blade Attachment HO-V62 Blades8/9/2017
B en Insufficient Blade Attachment HO-V62 Blades9/18/2017
C en Insufficient Blade Attachment HO-V62 Blades5/8/2018
A en Expired Section of Operation and Maintenance Manual10/17/2017
B en New Piston Sealing HO-V352/HO-V41210/24/2017
A en New Blade Sealing and Corrosion Protection HO-V123F-DR/HO-V373-DR3/23/2017
B en New Blade Sealing and Corrosion Protection HO-V123F-DR/HO-V373-DR4/3/2018
A en Conversion HO-V352F to HO-V352F-1 with Stronger Internal Spring System8/8/2018
B en Conversion HO-V352F to HO-V352F-1 with Stronger Internal Spring System11/27/2019
A en Improved Pitch Change Mechanic HO-V1236/7/2019
A en New Piston Design HO-V72 / HO-V1137/8/2019
A en Improved Mechanic HO-V3734/29/2020
A en New Hoffmann Propeller Service System10/1/2020
A en Propeller Installation10/1/2020
B en Additional Inspection to Prevent a Hub Failure10/14/2020
C en Additional Inspection to Prevent a Hub Failure12/9/2020
D en Additional Inspection to Prevent a Hub Failure2/18/2021
Service Instructions
NameRevisionLangSubjectDate
en HO-V352 - Inspection and Wear Tolerance of Pitch Change Block VP20-9122/18/1998
en HO-V352 - Modified Spring VP20-13679/15/1998
A en HO-V352 - Modified Spring VP20-13671/1/2009
en Cracked Propeller Hub7/2/2004
A en Cracked Propeller Hub7/12/2004
B en Cracked Propeller Hub7/13/2004
C en Cracked Propeller Hub8/17/2004
D en Cracked Propeller Hub3/16/2005
E en Cracked Propeller Hub4/24/2006
en HO-V62 Mod. "P", Improvement of Pitch Change Studs VP20-49310/18/2005
A en Suspicion of Cracked Propeller Hubs Due to Former Ground Strike, Blade Shake or Loose Blades12/21/2009
A en Wrong Marking of Component Part Number12/23/2009
B en Signs of Lost Preload of Blade Retention Nut Due to Various Possible Reasons12/22/2010
C en Signs of Lost Preload of Blade Retention Nut Due to Various Possible Reasons2/1/2011
A en Confirmation of Former Values Due to Historical Reasons7/18/2011
A en Unification of Designation of HO-V343 and HO-E343 Propellers7/15/2011
A en Modification - New Support Blocks7/18/2011
A en New Edition7/5/2012
A en Hub Inspection4/8/2014
A en New Edition7/1/2016
A en Tolerance Limits Pitch Settings6/26/2017
Service Letters
NameRevisionLangSubjectDate
en Introduction of Alternative PU-Leading Edge Guard Version C4/23/1996
A en Introduction of Alternative PU-Leading Edge Guard Version C6/24/2022
M en Introduction of Leading Edge Erosion Tape10/23/2008
N en Introduction of Leading Edge Erosion Tape12/9/2008
O en Introduction of Leading Edge Erosion Tape12/1/2010
P en Introduction of Leading Edge Erosion Tape5/21/2014
Q en Introduction of Leading Edge Erosion Tape6/14/2017
R en Introduction of Leading Edge Erosion Tape10/4/2018
T en Introduction of Leading Edge Erosion Tape5/24/2022
U en Introduction of Leading Edge Erosion Tape6/23/2022
W en Introduction of Leading Edge Erosion Tape12/8/2023
Y en Introduction of Leading Edge Erosion Tape4/25/2024
Z en Introduction of Leading Edge Erosion Tape9/5/2024
A en Varying of HO Propeller Hub Surface4/28/2021
B en Varying of HO Propeller Hub Surface11/14/2022
A en TSN Estimation if Operating Hours Unknown10/11/2021
A en Standardization & Correction of Incorrect Designations11/12/2021
B en Standardization & Correction of Incorrect Designations12/20/2021
C en Standardization & Correction of Incorrect Designations2/8/2022
D en Standardization & Correction of Incorrect Designations6/27/2022
E en Standardization & Correction of Incorrect Designations6/14/2023
F en Standardization & Correction of Incorrect Designations10/25/2023
A en Availability of Mounting Stop Nut2/3/2022
A en Correct Mounting of Hoffmann Propeller Front Flange for Fixed Pitch Propeller6/28/2022
A en Introduction of New Name Plate Decal7/21/2022
A en Application of Company Logo & Decal8/16/2023
A en Independent Maintenance of Beta System and Propeller4/29/2024
en HO-V352( )/( )/170FQ - New Blade Seal Assembly for Mod. "C" or Higher3/14/1996
en HO-V72( ), HO-V72-V, HO-V72-S - Mod. "C" Wear Reduction on Spring and Front Spacer3/22/1996
en HO-V352 - Mod. "E": Introduction of a New Spinner Front Support for VP30-3528/12/1996
A en HO-V72, HO-V155 - DU-Bushing at Blade Bearings2/19/1999
B en HO-V352 - Introduction of Filler Plates in Blade Arm Outcuts on the Spinner Dome12/28/2007
A en HO-V343 - Improving Material for Leading Edge Protection for Test Purpose12/28/2007
A en Blade 183GY - Mod. "B": Change to Aluminum Leading Edge Protection12/28/2007
A en HO-V343 - Mod. "B": Introduction of New DU - Bushing VP20-169712/27/2007
en HO-V123 - Introduction of Greater Piston for Pitch Change9/1/2008
en Product Improvement - Modified Spinner Bulkhead12/23/2009
B en Product Improvement - Modified Spinner Bulkhead3/1/2010
en Product Improvement - Support Blocks12/23/2009
B en Product Improvement - Support Blocks3/1/2010
A en Product Improvement7/6/2010
A en Change of Content - Overhaul Kit HO-V3526/17/2012
A en Tolerance Limit for Inspection Intervals/Clarification "Daily Inspection"11/7/2018
A en HO-V352 - Different Guide Bushing for Change Letter "D" Hubs3/18/2019
A en Alternative Shot Peening Material6/22/2020
A en New Part Numbers Blade Bushings7/15/2020
Technical Information
NameRevisionLangSubjectDate
en Storage-Conditions for Propellers
Technical Notes
NameRevisionLangSubjectDate
de Conversion to AVO 68-V "Samburo"5/17/1988
de Replacing Limbach SL 1700 E1 Engine with Limbach L2000 EO 1; Replacement of HO-V62R/L 150A Propeller with HO-V62( )/L160BT5/17/1988
de Control Behavior of Propeller HO-V62H(S)( )11/21/1995