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 Propeller03/16/1994
en HO-E315( )( )-( )-( ) Ground Adjustable Propeller05/31/1991
Operating & Maintenance Manuals
NameRevisionLangSubjectDate
de HO-V4201/01/1972
de Solid Wood Composite05/31/1989
de HO-V72; ( )-V; ( )-S Constant Speed Propeller05/31/1983
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)07/31/2003
en HO( ) Series & HO4( ) Series Fixed Pitch Propeller01/31/2002
B en HO-E 214 ( ) Ground Adjustable Pitch Propeller03/31/2012
1 en HO-V 72 ( ), HO-V 72 ( )-V Constant Speed Propeller and HO-V 72 ( )-S Feathering Propeller02/28/1994
A en HO-V 123 ( ) ( ) Constant Speed Propeller05/31/2002
en HO-V92 Constant Speed Propeller04/30/1985
en HO-V 113 ( ) ( )-( )-( ) Constant Speed Propeller09/30/1988
en HO-V 123F-VR Mechanically Controlled Variable Pitch Propeller06/30/1990
en HO-E315 ( ) ( )-( )-( ) Ground Adjustable Propeller05/31/1991
A en HO-V183( )-( ) Three Bladed Lightweight Constant Speed Propeller04/30/2012
en HO-V343 ( ) Constant Speed Propeller05/31/2001
A en HO-V343 ( ) Constant Speed Propeller01/31/2012
A en HO-V 352 ( ) ( ) Constant Speed Propeller & HO-V 352 ( )- S1 Constant Speed Propeller with Mechanical Feathering09/30/2002
en HO-V 123( )-DFR & HO-V 123( )-DR Variable Pitch and Reversing Propeller09/30/1999
A en HO-V 373( )( ) -D( )R-( ) Variable Pitch and Reversing Propeller03/31/2008
A en HO-V123( )-KVT / ( ) Three Bladed Constant Speed Propeller03/31/2016
Publication Indexes
NameRevisionLangSubjectDate
2014 en Current Publication List07/16/2014
2012 en Current Operation and Maintenance Manuals List07/09/2012
2011 en Current Service Advisories List01/25/2011
2025 en Current Service Advisories List03/31/2025
2015 en Current Service Bulletins List12/09/2015
2025 en Current Service Bulletins List03/31/2025
2012 en Current Service Instructions List07/09/2012
2025 en Current Service Instructions List03/31/2025
2012 en Current Service Letters List06/17/2012
2025 en Current Service Letters List03/31/2025
2008 en Current Type Certificates/ Type Certificate Datasheets List10/07/2008
Service Advisories
NameRevisionLangSubjectDate
en HO-V352 - Change of Parts for Better Availability03/14/1996
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.01/24/2011
A en Inconsistent Designation of 4-Bladed Fixed Pitch Propellers HO 4 Due to Missing Wildcards07/14/2014
Service Bulletins
NameRevisionLangSubjectDate
AP en Operating Time & Maintenance Intervals07/09/2021
AR en Operating Time & Maintenance Intervals03/28/2022
A en Alert Incorrect Blade Retention Nut Torque12/21/2021
AN en Operating Time & Maintenance Intervals02/18/2021
AS en Operating Time & Maintenance Intervals06/01/2022
AT en Operating Time & Maintenance Intervals07/29/2022
A en Alert Incorrect Maintenance Instructions in Manual DO1075 Revision A03/22/2024
A en Alert Improper Balancing/Overhaul11/20/2024
A en HO-V352 Designation02/25/2021
A en Improved Cruise-Lock HO-V62-R04/19/2021
C en Procedure of Tightening Blade Nuts02/22/2022
E en Procedure of Tightening Blade Nuts05/23/2022
F en Procedure of Tightening Blade Nuts09/02/2022
G en Procedure of Tightening Blade Nuts02/19/2024
A en Setting Counterweight Angle02/02/2022
B en Setting Counterweight Angle06/17/2024
B en Ensuring Correct Torque Tightening02/23/2022
A en List of Possible Propeller Spinner, Governor & Other Equipment11/08/2022
A en Operating Times & Maintenance Intervals12/13/2022
A en Typing Error in Parts Marking VP10-467-107/07/2022
B en Alternative Method for Bonding Stud Bolts05/24/2023
A en Useability of New & Old Spinner Parts11/23/2023
B en Useability of New & Old Spinner Parts04/09/2024
C en Useability of New & Old Spinner Parts07/19/2024
D en Useability of New & Old Spinner Parts09/02/2024
A en Measures to Prevent Cracking of Ferrules Due to Environmental Influences05/08/2024
en Horizontal Tail Surfaces Mounting in Front01/20/1987
en Shoulder Harness Fittings01/20/1987
en Additional Metal Fitting Fuselage-Wing Connection-Removal of Operation Restriction11/10/1986
en Attachment of Wheel Axle to Steel Support05/29/1991
AG en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers03/15/2007
AH en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers03/27/2008
AI en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers05/15/2008
AK en Requirements of Continued Airworthiness Overhaul Periods (TBO) and Service Life Limits for Ground Adjustable and Variable Pitch Propellers12/08/2008
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 Propellers04/02/2013
U en Requirements of Continued Airworthiness06/22/1998
W en Requirements of Continued Airworthiness09/20/1999
C en Blade Root Retention02/20/1984
C1 en Blade Root Retention12/11/1984
en Hoffmann Constant-Speed-Propeller01/18/1988
en Mandatory Adapter VP10-351 and VP10-508 for "SPITFIRE" with Dowty Rotol Propeller03/30/1994
A en Undersized Blade Adapters VP 10-351 and VP 10-50805/10/2017
2 en HO-V123K-KV/180DT - Blade and Counterweight Check for Slingsby T67M with Lycoming AEIO-540-D4A503/23/1995
A en HO-V123( )-KV - Oil Leakage with Front Spacer VP20-122909/09/1997
A en Insufficient Torque on Propeller Mounting Bolts07/28/1998
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 Screws03/10/2010
C en Possible Failure of Screws P/N: AN503-10-1409/04/2020
B en HO-V343 - Exchange of Counterweight Clamp VP10-84309/18/2001
en Possible Hub Failure07/02/2004
A en Possible Hub Failure07/13/2004
B en Possible Hub Failure07/13/2004
en Broken Pitch Change Studs VP 20-49309/27/2005
en HO-V343/183GY - Blade Modifications C, D and E04/24/2006
A en HO-V343( ) - Hub Modification "D"06/02/2008
B en Possible Crack in Hub due to Former Ground Strike, Blade Shake or Loose Blades01/11/2010
A en Hub Cracks02/25/2010
B en Hub Cracks01/30/2013
B en Cracked Blade Ferrule07/26/2010
C en Cracked Blade Ferrule08/31/2010
A en Standardization of Propeller Identification10/17/2012
A en Mandatory Instances of Hub Cracks Found During Overhaul or Special Hub Inspection03/05/2013
A en Standardization of Propeller Identification06/11/2013
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 Failures06/28/2013
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 Weights09/25/2014
C en Higher Reliability in Case of Incorrect Installation of Counter Weights02/17/2015
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 Blades08/09/2017
B en Insufficient Blade Attachment HO-V62 Blades09/18/2017
C en Insufficient Blade Attachment HO-V62 Blades05/08/2018
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-DR03/23/2017
B en New Blade Sealing and Corrosion Protection HO-V123F-DR/HO-V373-DR04/03/2018
A en Conversion HO-V352F to HO-V352F-1 with Stronger Internal Spring System08/08/2018
B en Conversion HO-V352F to HO-V352F-1 with Stronger Internal Spring System11/27/2019
A en Improved Pitch Change Mechanic HO-V12306/07/2019
A en New Piston Design HO-V72 / HO-V11307/08/2019
A en Improved Mechanic HO-V37304/29/2020
A en New Hoffmann Propeller Service System10/01/2020
A en Propeller Installation10/01/2020
B en Additional Inspection to Prevent a Hub Failure10/14/2020
C en Additional Inspection to Prevent a Hub Failure12/09/2020
D en Additional Inspection to Prevent a Hub Failure02/18/2021
Service Instructions
NameRevisionLangSubjectDate
en HO-V352 - Inspection and Wear Tolerance of Pitch Change Block VP20-91202/18/1998
en HO-V352 - Modified Spring VP20-136709/15/1998
A en HO-V352 - Modified Spring VP20-136701/01/2009
en Cracked Propeller Hub07/02/2004
A en Cracked Propeller Hub07/12/2004
B en Cracked Propeller Hub07/13/2004
C en Cracked Propeller Hub08/17/2004
D en Cracked Propeller Hub03/16/2005
E en Cracked Propeller Hub04/24/2006
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 Reasons02/01/2011
A en Confirmation of Former Values Due to Historical Reasons07/18/2011
A en Unification of Designation of HO-V343 and HO-E343 Propellers07/15/2011
A en Modification - New Support Blocks07/18/2011
A en New Edition07/05/2012
A en Hub Inspection04/08/2014
A en New Edition07/01/2016
A en Tolerance Limits Pitch Settings06/26/2017
Service Letters
NameRevisionLangSubjectDate
en Introduction of Alternative PU-Leading Edge Guard Version C04/23/1996
A en Introduction of Alternative PU-Leading Edge Guard Version C06/24/2022
M en Introduction of Leading Edge Erosion Tape10/23/2008
N en Introduction of Leading Edge Erosion Tape12/09/2008
O en Introduction of Leading Edge Erosion Tape12/01/2010
P en Introduction of Leading Edge Erosion Tape05/21/2014
Q en Introduction of Leading Edge Erosion Tape06/14/2017
R en Introduction of Leading Edge Erosion Tape10/04/2018
T en Introduction of Leading Edge Erosion Tape05/24/2022
U en Introduction of Leading Edge Erosion Tape06/23/2022
W en Introduction of Leading Edge Erosion Tape12/08/2023
Y en Introduction of Leading Edge Erosion Tape04/25/2024
Z en Introduction of Leading Edge Erosion Tape09/05/2024
A en Varying of HO Propeller Hub Surface04/28/2021
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 Designations02/08/2022
D en Standardization & Correction of Incorrect Designations06/27/2022
E en Standardization & Correction of Incorrect Designations06/14/2023
F en Standardization & Correction of Incorrect Designations10/25/2023
A en Availability of Mounting Stop Nut02/03/2022
A en Correct Mounting of Hoffmann Propeller Front Flange for Fixed Pitch Propeller06/28/2022
A en Introduction of New Name Plate Decal07/21/2022
A en Application of Company Logo & Decal08/16/2023
A en Independent Maintenance of Beta System and Propeller04/29/2024
en HO-V352( )/( )/170FQ - New Blade Seal Assembly for Mod. "C" or Higher03/14/1996
en HO-V72( ), HO-V72-V, HO-V72-S - Mod. "C" Wear Reduction on Spring and Front Spacer03/22/1996
en HO-V352 - Mod. "E": Introduction of a New Spinner Front Support for VP30-35208/12/1996
A en HO-V72, HO-V155 - DU-Bushing at Blade Bearings02/19/1999
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 Change09/01/2008
en Product Improvement - Modified Spinner Bulkhead12/23/2009
B en Product Improvement - Modified Spinner Bulkhead03/01/2010
en Product Improvement - Support Blocks12/23/2009
B en Product Improvement - Support Blocks03/01/2010
A en Product Improvement07/06/2010
A en Change of Content - Overhaul Kit HO-V35206/17/2012
A en Tolerance Limit for Inspection Intervals/Clarification "Daily Inspection"11/07/2018
A en HO-V352 - Different Guide Bushing for Change Letter "D" Hubs03/18/2019
A en Alternative Shot Peening Material06/22/2020
A en New Part Numbers Blade Bushings07/15/2020
Technical Information
NameRevisionLangSubjectDate
en Storage-Conditions for Propellers
Technical Notes
NameRevisionLangSubjectDate
de Conversion to AVO 68-V "Samburo"05/17/1988
de Replacing Limbach SL 1700 E1 Engine with Limbach L2000 EO 1; Replacement of HO-V62R/L 150A Propeller with HO-V62( )/L160BT05/17/1988
de Control Behavior of Propeller HO-V62H(S)( )11/21/1995