The Aviation DataBase: Service Information: Robinson Helicopter
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Alternative Methods of Compliance
NameRevisionLangSubjectDate
A en 01/23/2008
B en 07/09/2010
C en 04/12/2011
en 04/08/2015
Checklists
NameRevisionLangSubjectDate
en Daily or Preflight Checks11/17/2021
en Daily or Preflight Checks11/17/2021
en Daily or Preflight Checks11/17/2021
en Daily or Preflight Checks06/21/2021
Illustrated Parts Catalogs
NameRevisionLangSubjectDate
revised en R2201/31/2017
en R4403/31/2016
revised en R6604/30/2015
Kit Instructions
NameRevisionLangSubjectDate
B en Landing Light Relay Conversion09/15/2011
en Pilot's Grip Assembly Upgrade12/20/1996
A en O-360 Engine Carburetor Change03/06/1997
C en Pop-Out Float Cylinder Service09/09/2011
D en Pop-Out Float Cylinder Service07/24/2017
D en Standard to Five-Point Harness Installation11/21/2012
D en Four-Point to Five-Point Harness Installation11/21/2012
D en Five-Point Harness Installation11/21/2012
B en Full-Flow Oil Filter08/26/2013
B en Ground Handling Wheel (Pop-Out Floats) Installation10/18/2017
en Carbon Monoxide Detector Field Installation11/02/2007
A en Carbon Monoxide Detector Field Installation04/30/2009
D en Fuel Control Reorientation09/14/2006
C en Kannad 406 AF-Compact ELT Field Installation01/14/2009
E en Kannad 406 AF-Compact ELT Field Installation09/01/2011
C en Kannad 406 AF-Compact ELT Field Installation11/18/2008
E en Kannad 406 AF-Compact ELT Field Installation09/01/2011
H en Kannad AF Integra ELT Installation04/01/2015
H en Kannad AF Integra ELT Installation04/01/2015
H en Kannad AF Integra ELT Installation04/01/2015
H en Kannad AF Integra ELT Installation04/01/2015
en C046-18 Frame Tube Clamp Installation08/08/2006
B en HID Landing Lights Installation09/15/2011
B en HID Landing Lights Installation09/15/2011
A en Gascolator Assembly Upgrade Field Installation03/31/2009
A en R44 II Gascolator Assembly Upgrade Field Installation03/31/2009
A en Gascolator Assembly Upgrade04/30/2010
A en Fuel Hose Installation04/01/2009
B en Fuel Hose Installation05/20/2009
A en Fuel Hose Installation04/01/2009
B en Fuel Hose Installation05/20/2009
A en Bladder Fuel Tank Installation01/05/2011
B en Bladder Fuel Tank Installation01/10/2011
en Battery Relay Bypass Circuit04/30/2010
A en 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade02/25/2011
C en 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade10/20/2011
E en 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade02/08/2013
A en 28V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade02/25/2011
C en 28V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade10/20/2011
E en 28V Airframe Provisions for Single LED-Strobe Tailcone02/08/2013
A en Ground Handling Cart Booster Cable11/01/2011
A en (Aux) Fuel Pump Assembly Upgrade07/14/2011
A en (Aux) Fuel Pump Assembly Upgrade07/14/2011
B en Baggage Door Seals09/13/2011
C en Placards and Markings10/20/2011
C en Placards and Markings10/20/2011
B en R44 II Starting Circuit Time-Delay09/10/2012
B en R44 II External Power Plug Installation11/13/2012
E en Beta and Mariner Bladder Fuel Tank Installation04/17/2014
A en Full Throttle Caution Light11/12/2014
A en Full Throttle Caution Light11/12/2014
A en R44 II Full Throttle Caution Light11/12/2014
A en 14V Radar Altimeter Installation05/28/2015
A en 28V Radar Altimeter Installation05/28/2015
A en Fuel Sample Tube Installation10/14/2015
A en Fuel Dip Stick Installation10/14/2015
A en TRDS Forward Yoke Assembly and Hanger Installation06/23/2015
C en Collective-Activated Hourmeter Installation04/14/2017
B en Clutch Actuator Time Delay Installation01/11/2018
B en LH Forward Door11/22/2016
B en RH Forward Door11/22/2016
A en Inlet Barrier Filter (IBF) Installation05/18/2017
A en CHT Gage Calibration06/08/2017
A en Pop-Out Floats Skid Extension Upgrade Installation08/14/2017
A en 14V Low RPM Warning Horn Installation09/28/2017
A en 28V Low RPM Warning Horn Installation09/28/2017
A en Governor & Engine RPM Sensor Connector Upgrade02/23/2022
A en Governor & Engine RPM Sensor Connector Upgrade02/23/2022
A en Minimum Spare Parts06/22/2017
B en 2200-Hour Inspection (S/N 2570 and prior)06/28/2017
B en 2200-Hour Inspection (S/N 2571 and subsequent)06/28/2017
A en Provisions for O-320 Engine Installation06/01/2017
A en Provisions for O-360 Engine Installation06/01/2017
A en Velour Interior Furnishings Installation09/14/2017
A en Leather Interior Furnishings Installation09/14/2017
A en A017-1 Swashplate Installation06/01/2017
A en A057-2 Airbox Assembly Installation06/01/2017
A en Minimum Spare Parts06/22/2017
A en Provisions for R44 O-540 Engine Installation06/22/2017
A en Provisions for R44 II IO-540 Engine Installation06/22/2017
A en Velour Interior Furnishings Installation09/14/2017
A en Leather Interior Furnishings Installation09/14/2017
A en Minimum Spare Parts06/22/2017
A en Interior Furnishings Installation09/14/2017
C en C017-5 Swashplate Installation Field Kit04/18/2017
F en (Raven I) 2200-Hour Inspection01/19/2017
G en (Raven II) 2200-Hour Inspection01/19/2017
E en 2000-Hour Maintenance and Inspection Kit10/31/2016
Maintenance Manual Temporary Revisions
NameRevisionLangSubjectDate
en Fatigue Life-Limited Parts04/26/2010
en Fatigue Life-Limited Parts03/01/2011
Maintenance Manuals
NameRevisionLangSubjectDate
revised en R2204/01/2012
revised en R2210/01/2014
Chg 14 en R4407/01/2008
revised en R4404/01/2012
revised en R4410/01/2014
revised en R6603/01/2012
revised en R6609/01/2012
revised en R6605/01/2015
revised en R6604/01/2017
Operating Instructions
NameRevisionLangSubjectDate
en MT900 Ground Handling Cart10/01/2011
revised en MT900 Ground Handling Cart12/01/2012
en MT900 Ground Handling Cart10/01/2011
Operational Suitability Data
NameRevisionLangSubjectDate
Iss 2 en R44 EASA Flight Crew Data05/18/2017
1 en R66 EASA Flight Crew Data09/28/2015
Pilot's Operating Handbooks & Flight Manuals
NameRevisionLangSubjectDate
revised en R2210/26/2016
revised en R2207/03/2013
revised en R4407/10/2012
revised en R4410/21/2016
revised en R44II10/21/2016
revised en R44II07/10/2012
revised en R44 Cadet10/21/2016
revised en R6608/29/2017
revised en R6609/07/2012
revised en R6610/09/2015
Safety Alerts
NameRevisionLangSubjectDate
en Exceeding Manifold Pressure Limits can Cause Blade Failure12/01/2004
en A016-6 Main Rotor Blade Crack12/22/2016
en Unauthorized Repairs on Main Rotor Blades in Brazil05/03/2018
en Pilot Monitoring of Engine Governor02/04/2022
en Main Rotor Blade Skin Debonding01/04/2007
en Main Rotor Blade Skin Debonding03/22/2007
en Exceeding Power Limits can be Fatal12/20/2004
en A016-4, C016-2 & C016-5 Main Rotor Blades02/23/2018
en Corrosion at Tail Rotor Blade Tip06/03/2022
en Hot Weather Operation04/15/2009
en Ensure R44 II Induction Hose Service Bulletin SB-100 has been Accomplished06/17/2020
en Engine Intake Valves10/14/2020
en Avoid Flying Out of Trim06/07/2007
en Low-G Mast Bumping Accidents11/18/2016
en Hydraulic Controls Pre-Takeoff Check01/08/2021
Safety Notices
NameRevisionLangSubjectDate
revised en Inadvertent Actuation of Mixture Control in Flight06/01/1994
revised en Many Accidents Involve Dynamic Rollover06/01/1994
revised en Fatal Accidents Caused by Low RPM Rotor Stall06/01/1994
revised en Low-G Pushovers - Extremely Dangerous06/01/1994
revised en Low-G Pushovers - Extremely Dangerous11/01/2000
revised en Do Not Attach Items to Skids06/01/1994
revised en Fuel Exhaustion Can be Fatal06/01/1994
revised en Power Lines are Deadly06/01/1994
revised en Never Exit Helicopter with Engine Running06/01/1994
revised en Loss of Visibility can be Fatal06/01/1994
revised en Flying Low Over Water is Very Hazardous06/01/1994
revised en Beware of Demonstration or Initial Training Flights06/01/1994
revised en Vortex Ring State Catches Many Pilots by Surprise06/01/1994
revised en Vortex Ring State Catches Many Pilots by Surprise10/01/2016
revised en Vortex Ring State Catches Many Pilots by Surprise01/01/2024
revised en Walking into Tail Rotor can be Fatal06/01/1994
revised en Low RPM Rotor Stall can be Fatal06/01/1994
revised en Carburetor Ice07/01/2012
revised en Carburetor Ice11/01/1999
revised en Carburetor Ice06/01/1994
revised en Night Flight Plus Bad Weather can be Deadly06/01/1994
revised en Surprise Throttle Chops can be Deadly06/01/1994
revised en Listen for Impending Bearing Failure & Clutch Light Warning07/01/2012
revised en Listen for Impending Bearing Failure & Clutch Light Warning06/01/1994
revised en Airplane Pilots High Risk when Flying Helicopters06/01/1994
en Loose Objects can be Fatal06/01/1994
revised en Loose Objects can be Fatal04/01/2009
en Governor can Mask Carb Ice12/01/1996
en High Winds or Turbulence03/01/1998
revised en High Winds or Turbulence02/01/2016
revised en High Winds or Turbulence05/01/2013
revised en High Winds or Turbulence06/01/2020
en Drive Belt Slack03/01/1998
revised en Drive Belt Slack05/01/2013
revised en Drive Belt Slack07/01/2021
revised en Drive Belt Slack07/01/2013
en Aerial Survey and Photo Flights - Very High Risk03/01/1999
revised en Aerial Survey and Photo Flights - Very High Risk04/01/2009
en Flying Near Broadcast Towers04/01/1999
revised en Flying Near Broadcast Towers02/01/2016
en Overspeeds During Liftoff11/01/2000
en Exceeding Approved Limitations can be Fatal12/01/2001
revised en Practice Autorotation Cause Many Training Accidents07/01/2019
revised en Practice Autorotation Cause Many Training Accidents10/01/2004
en Unusual Vibration can Indicate a Main Rotor Blade Crack07/01/2003
en Post-Crash Fires 07/01/2006
revised en Post-Crash Fires 05/01/2013
en Post-Crash Fires 07/28/2006
en Pilot Distractions05/01/2013
revised en Pilot Distractions07/01/2021
en Unanticipated Yaw05/01/2013
revised en Unanticipated Yaw07/01/2019
en Use Extra Caution During Post-Maintenance Flights01/01/2015
en Carrying Passengers02/01/2017
revised en Carrying Passengers06/01/2017
Service Bulletins: R22
NameRevisionLangSubjectDate
en Mandatory Main Rotor Blade Inspection12/28/1979
en Mandatory Main Rotor Blade Inspection03/04/1980
en Mandatory Steel Tube Frame A020-207/29/1980
revised en Mandatory Dye Penetrant Inspection Aft End of Upper Steel Tube Frame Assembly P/N A020-210/28/1980
en Mandatory Possible Installation of Defective Main Rotor Gear Sets10/06/1980
en Mandatory Inspection of Main Gear Box Flex Coupling Yokes01/26/1981
en Mandatory Inspection of Long Tail Rotor Drive Shaft02/09/1981
en Mandatory Ice Blockage of Engine Breather Tube02/19/1981
en Mandatory Additional Inspection of Main Gear Box Yokes03/04/1987
en Mandatory Inspection of A192 and A194 Main Gear Box Yokes05/04/1981
revised en Mandatory Removal of Sharp Edges in Angular Latch Portion of A628-1 and -2 Seat Harness Assembly05/26/1981
en Mandatory Main Rotor Root Fitting Fatigue Failure09/04/1981
en Mandatory Failure of A041-2 Damper Clip10/14/1981
en Mandatory Service Life Reduction and Additional Inspection of A016 Rotor Blade11/14/1981
en Mandatory Improper Clutch Shaft Plug Installation11/18/1981
en Mandatory Inspection of A020-2 Upper Steel Tube Frame03/12/1982
Cor en Replacement of A106-4 or -5 Journals and Teeter Hinge Bearings04/13/1982
en Mandatory Inspection of Long Tail Rotor Drive Shaft and Damper05/03/1982
en Mandatory Replacement of Tail Rotor Driveshaft & Aft Flex Plate06/01/1982
en Inspection for Rubbing A121-7 Push-Pull Tube06/24/1982
en Inspection of A020-2 Upper Steel Tube Frame08/27/1982
en Mandatory RPM Warning Light Installation10/23/1982
en Mandatory Low RPM Warning Unit Readjustment10/26/1982
en Installation of A960-1 Clamp and A961-1 Strap on A020-2 Upper Steel Tube Frame11/09/1982
en Spring for Cyclic Boot02/02/1983
en Inspection of Lower Actuator Bearing A181-102/22/1983
en Clutch Lock Switch03/01/1983
en Check of Low RPM Warning System04/12/1983
en Lower Actuator Bearing A181-104/14/1983
en Actuator Drive Screw06/07/1983
en Mandatory Replacement of Old Design Rev W (1000 hr) Main Rotor Blades07/25/1983
en Mandatory Clutch Actuator Light Relocation08/24/1983
en Mandatory V-Belt Guide Installation10/07/1983
en Inspection of A121-7 Push-Pull (P-P) Tubes and Guide Wear11/11/1983
A en Washer Installed at M.R. Pitch Rod End02/17/1984
en Main Rotor Controls Sticking or Binding02/17/1984
en Drilled Head Bolt Installation Lower LH Frame to Fuselage02/17/1984
en Modification of Forward Right-Hand Landing Gear Mount Shackle06/20/1984
en Mixture Control Safety Spring Assembly Installation06/20/1984
en Mandatory Inspection and Modification of MR Gearbox Ring Gear Bolts08/24/1984
en Clutch Actuator Overtravel Limit Switch05/10/1985
en Sprag Clutch Replacement10/18/1985
en Inspection of A020-2 Upper Steel Tube Frame01/13/1986
en A723 Oil Cooler Lines01/13/1983
en A740-1 Manifold Pressure Line04/15/1986
en Vee Belt Drive04/15/1986
en Main Rotor Elastic Teeter Stops07/02/1986
en Oil Cooler Mounting Installation07/02/1986
en Cracks in Lower Vertical Fin Attachment Channels10/01/1986
en Caution Decal for Carburetor Air Temperature Gage11/20/1986
en Harness Assembly Buckle/Connector01/07/1987
en Stop for Cabin Door Air Vent01/20/1987
en Main Rotor Pitch Link Inspection & Fitting Replacement05/11/1987
en Actuator Bearings09/13/1988
en Main Rotor Spindle Crack Inspection11/07/1988
A en Main Rotor Spindle Rework and Journal Replacement01/12/1989
en Latches on Carburetor Air Box07/28/1989
en Air Duct Chafing Oil Line05/10/1990
en Replacement of Fan Shaft Bearing06/06/1990
en Tail Rotor Pedal Retaining Clips06/08/1990
en Cracking of Fanwheel Assembly Hubs12/20/1990
en Vee Belt - Lower Sheave Inspection04/19/1991
en Replacement of Tail Rotor Visual Warning Guard (B312-1)01/09/1992
en Tailcone Skin Doubler for Tail Rotor Visual Warning Guard02/27/1992
en Replacement of Suspect NAS1304-16 AF Bolts02/27/1992
A en Improved Replacement Vee Belts06/25/1992
en Inspection of Upper V-Belt Sheave06/18/1992
en Inspection of Main Rotor Blades for Corrosion03/29/1993
en Inspection of A947-1 Forward Flexplate03/15/1994
en Tail Rotor Gearbox Output Shaft Key07/18/1994
en Replacement of Forward Flex Plates11/22/1994
en Main Rotor Shaft Retaining Nuts12/22/1994
en Replacement of V-Belt Upper Sheave04/25/1995
A en Main Rotor Droop Stops and Teeter Stops05/27/2004
en Placard to Prohibit Pushovers05/23/1995
A en Throttle Governor Installation and Low RPM Warning Unit Adjustment06/08/1995
en Gascolator Drain Valve Torque06/08/1995
en Carburetor Replacement03/03/1997
en Upgrade of Fuel Tank Vents03/04/1997
en Fuel Tank Vent Upgrade09/08/1998
en A188-2 Sprag Clutch03/22/1999
en A121-3 and A121-7 Push-Pull Tubes Rubbing05/03/1999
en Seat Belt Anchor Upgrade12/15/1999
A en A203-5 Yoke Replacement09/13/2000
en A184 Upper Clutch Actuator Bearing Lubrication08/01/2001
A en Tail Rotor Pitch Control Bearings06/10/2002
en A437 Jackshaft Brace Tabs11/03/2003
en Tail Rotor Pedal Retaining Clips11/03/2003
en COMM Antenna Tips05/27/2004
en AO16-2 Main Rotor Blade Replacement12/14/2004
en A181-4 Lower Actuator Bearing Assembly01/26/2005
en Main Rotor Blade Erosion03/29/2007
en Pedal Support Safety Tabs02/22/2008
en Removable Collective Spring Pin02/22/2008
en Gascolator Assembly ((KI-193-4A))04/30/2010
en Carbon Monoxide (CO) Detector Retrofit ((KI-164A))04/30/2010
en Door Lower Hinge Pins04/30/2010
en Battery Relay Bypass Circuit Fuse ((KI-197))04/30/2010
en Main Rotor Blade Bond Inspection04/30/2010
A en Main Rotor Blade Bond Inspection07/19/2012
en Main Rotor Blade Bond Inspection12/10/2011
en Clutch Actuator Fuse Holder Wiring05/26/2010
en Fuel Shut-Off Valve Replacement09/07/2011
en Rotor Brake Switch02/21/2012
en Fuel Cap Decal05/30/2012
en Rotor RPM Sender Magnets07/03/2013
en Bladder Fuel Tank Retrofit01/08/2014
A en Bladder Fuel Tank Retrofit01/15/2018
en B771-1 (Reusable) Air Filters10/14/2014
en Ammeter Circuit Fuse Protection11/21/2016
en Actuator Lower Bearing A185 Brackets06/08/2017
en A051-1 Belt Tension Actuator12/20/2017
A en A051-1 Belt Tension Actuator01/15/2018
en D602-3 Time Delay Assembly02/25/2019
en Air/Oil Separator Hose Spring05/03/2019
en Main Rotor Blade Tip Plate Permanent Removal & Sealant Application12/02/2019
en Air/Oil Separator Hose03/11/2020
en Fire Extinguisher Relocation06/30/2021
B en Fire Extinguisher Relocation07/15/2021
en C143-1 Sensor (Engine RPM) Wiring02/23/2022
en Tail Rotor Blade Inspection & Replacement 12/22/2022
A en Tail Rotor Blade Inspection & Replacement ((Replacement Policy))03/26/2024
B en Tail Rotor Blade Inspection & Replacement 06/27/2024
en D270-1 Governor Controller Upgrade06/28/2023
en Clutch Assembly Retainer Replacement06/27/2024
revised en Mandatory Dye Penetrant Inspection Aft End of Upper Steel Tube Frame Assembly P/N A020-210/28/1980
Service Bulletins: R44
NameRevisionLangSubjectDate
A en Required Modification of Cyclic Trim Motors05/26/1994
en Replacement of Guides for C121-7 Push-Pull Tubes01/24/1995
en Main Rotor Droop Stops and Teeter Stops04/26/1995
en Placard to Prohibit Pushovers05/23/1995
A en Low RPM Warning Unit Adjustment06/08/1995
en Gascolator Drain Valve Torque06/08/1995
en Fan Nut Torque09/11/1995
en Upper and Lower Swashplate Fork and Arm Linkage Assemblies09/11/1995
en Replacement of Carburetor Air Temperature Gage and Relocation of Probe09/11/1995
en Cyclic Damper Replacement09/11/1995
en Collective Spring Assembly and Spring Assembly Support Replacement12/26/1995
en Replacement of C007-3 or C007-4 Shaft Assembly and D174-1 Fanwheel04/26/1996
en Main Rotor Gearbox Ring Gear Bolts08/02/1996
en Replacement of C309-1 Panel Assembly with V-Belt Restraint10/22/1996
en Pilot's Grip Assembly12/18/1996
en Pilot's Heater Outlet Air Supply Hose04/16/1997
en Lateral Cyclic Trim Assembly Spring Shaft Wear04/16/1997
en C315 Collective Support Weldment04/16/1997
en Belt Tension Actuator Switches04/18/1997
en Tail Rotor Guard05/30/1997
en Replacement of C018-1 Clutch Assembly05/30/1997
en Removal of Paint from Tail Rotor Gearbox Attachment Surfaces10/01/1997
en Oil Line Elbows10/01/1997
en Lateral Cyclic Trim Assembly01/31/1998
A en Main Rotor Blade Inspection05/29/1998
B en Main Rotor Blade Inspection06/18/1998
A en Main Rotor Blade Replacement10/27/1998
en Replacement of Crankshaft Gear Retaining Bolt07/09/1998
en Auxiliary Fuel Tank Drain Tube Shutoff Clamp10/28/1998
en C188-3 Sprag Clutch03/22/1999
en C051-1 or -2 Belt Tension Actuator05/03/1999
en Tail Rotor Gearbox Output Shaft Bearing Preload06/21/1999
en C908-1 Yoke Replacement07/26/1999
en C188-3 Sprag Clutch11/05/1999
en Aft C121-25 Push-Pull Tube Contact with Mast Fairing Rib01/17/2000
en Hydraulic Reservoir Sequence Valve Inspection03/03/2000
en Horizontal to Vertical Stabilizer Attach Channels09/12/2000
en Emergency Pop-Out Float Pressure Cylinder Valve09/12/2000
A en Tail Rotor Rigging06/10/2002
en C181-3 Lower Clutch Actuator Bearing Lubrication08/01/2001
A en C181-3 Lower Clutch Actuator Bearing Lubrication10/15/2004
A en Tail Rotor Pitch Control Bearings06/10/2002
en Hydraulic Pump Lines and Fittings08/01/2001
en D318-1 Muffler and Tailpipe Shield Installation11/15/2002
en R44II Fuel Control Inlet Fitting06/20/2003
en R44II Fuel Control Safety Wire09/11/2003
en Engine Alternate Air Intake09/11/2003
en R-44II Oil Line Clamp09/11/2003
en NAS6605-31 Bolts11/24/2003
en COMM Antenna Tips05/27/2004
en CO46-18 Frame Tube05/27/2004
en R44II Fuel Control Reorientation ((KI-178))07/20/2005
en Seat Belt Buckle Assemblies03/29/2006
en KI-176 R44 Tailpipe Extension Kit03/29/2006
A en R44II Throttle Link09/01/2006
en CO46-18 Frame Tube Clamp ((KI-185))08/09/2006
en C771-1 Air Filters with Orange Rubber09/15/2006
en Latches on Carburetor Air Box03/29/2007
en R44 II Throttle Linkage12/19/2007
en Pedal Support Safety Tabs02/22/2008
en Removable Collective Spring Pin02/22/2008
en Air Conditioning Duct Wiring02/22/2008
en D202-2 Bracket Replacement03/18/2008
en R44 II Fuel Hose Supports11/06/2008
en Rigid Fuel Line Replacement ((KI-194B, KI-195B))03/25/2009
en Gascolator Assembly ((KI-193-1A, KI-193-2A))03/25/2009
en Carbon Monoxide (CO) Detector Retrofit ((KI-164A))03/25/2009
en R44 II Throttle Link03/25/2009
en Main Rotor Blade Bond Inspection04/30/2010
A en Main Rotor Blade Bond Inspection07/19/2012
en Main Rotor Blade Bond Inspection12/10/2011
en Battery Relay Bypass Circuit Fuse ((KI-197))04/30/2010
en MRGB Input Yoke Retaining Nut Torque04/30/2010
en Door Lower Hinge Pins04/30/2010
en Air Conditioning Installation Upgrades04/30/2010
en Clutch Actuator Fuse Holder Wiring05/26/2010
en Bladder Fuel Tank Retrofit 12/20/2010
A en Bladder Fuel Tank Retrofit ((KI-196A))02/21/2012
B en Bladder Fuel Tank Retrofit ((KI-196B))09/28/2012
en C188-3 Sprag Clutches12/20/2010
en Pop-Out Float Cylinder Valve09/07/2011
en Hydraulic Servos02/21/2012
en Rotor Brake Switch02/21/2012
en Tail Rotor Blade Fatigue Cracks05/30/2012
en Fuel Cap Decal05/30/2012
en C771-1 Air Filter Deterioration08/31/2012
en Rotor RPM Sender Magnets07/03/2013
en B771-2 (Reusable) Air Filters10/14/2014
en Landing Gear Attach Nuts12/08/2014
en Main Rotor Blade Modification03/30/2015
en Revised Instrument Marking11/14/2016
en Ammeter Circuit Fuse Protection11/14/2016
en Tail Rotor Drive Shaft Damper Bearing11/14/2016
A en Tail Rotor Drive Shaft Damper Bearing12/20/2017
en Horizontal Stabilizer Nutplates06/06/2017
A en Horizontal Stabilizer Nutplates07/21/2017
en Actuator Lower Bearing A185 Brackets06/08/2017
en Main Gearbox Upgrades12/20/2017
en D602-1 Time Delay Assembly10/02/2018
en Induction Hose04/11/2019
en Air/Oil Separator Hose Spring04/15/2019
B en Air/Oil Separator Hose Spring05/03/2019
en 24-Volt Battery Electrolyte Leakage07/03/2019
en R44 II Induction Hose07/03/2019
en HeliSAS Flight Control Computer08/12/2019
en Chin Inspection Hole and Access Cover10/29/2019
en Main Rotor Blade Tip Plate Permanent Removal & Sealant Application12/02/2019
en Ail/Oil Separator Hose03/11/2020
en Alternator Filter Installation08/21/2020
en HeliSAS Autopilot Interface with Garmin PFD08/21/2020
en Fire Extinguisher Relocation06/30/2021
B en Fire Extinguisher Relocation07/15/2021
en C029-3 Tail Rotor Blade Cracks06/30/2021
en Hydraulic Controls Pre-Takeoff Check06/30/2021
en C029-3 Tail Rotor Blade Cracks01/06/2022
en C143-2 Sensor (Engine RPM) Wiring02/23/2022
en Tail Rotor Blade Inspection & Replacement 12/22/2022
A en Tail Rotor Blade Inspection & Replacement ((Replacement Policy))03/26/2024
B en Tail Rotor Blade Inspection & Replacement 06/27/2024
en Actuator Lower Bearing A185 Brackets03/16/2023
en D270-1 Governor Controller Upgrade06/28/2023
en Loose Gearmotors on Belt-Tension Actuators10/27/2023
en Ground Handling Wheel Support Reorientation02/19/2024
Service Bulletins: R66
NameRevisionLangSubjectDate
en D333-13 Fitting Lubrication04/26/2011
en Placards and Markings ((KI-208-1C, KI-208-2C))10/27/2011
en Hydraulic Servos02/21/2012
en Oil Cooling Fan Inlet Clearance05/29/2012
B en Clutch Retaining Bolt12/21/2012
en Fuel Switch Packing07/03/2013
en Throttle Control Routing07/03/2013
en Hydraulic Solenoid Diode07/03/2013
en Rotor RPM Sender Magnets07/03/2013
en Hanger Bearing Assembly11/21/2013
en Tail Gearbox Sight Gage12/08/2014
en Landing Gear Attach Nuts12/08/2014
en Main Rotor Blade Modification03/30/2015
en Tail Rotor Drive Shaft Forward Bearing06/25/2015
en G500H Wire Chafe12/15/2015
en "LOT 20" F642-1 Shaft Corrosion12/15/2015
en F642-1 Shaft Replacement01/22/2016
A en F642-1 Shaft Replacement11/07/2016
en MRGB Output Yoke Retaining Plug06/14/2016
A en MRGB Output Yoke Retaining Plug07/20/2016
en Revised Instrument Markings11/07/2016
en Tail Rotor Drive Shaft Bearings11/07/2016
A en Tail Rotor Drive Shaft Bearings06/06/2017
B en Tail Rotor Drive Shaft Bearings12/20/2017
en Oil Tank Outlet Modification02/24/2017
A en Oil Tank Outlet Modification06/06/2017
en Horizontal Stabilizer Nutplates06/06/2017
A en Horizontal Stabilizer Nutplates07/21/2017
en Rod Ends for F174-1 Engine Support Weldment06/26/2018
en Auxiliary Fuel System Relay11/05/2018
en G655-3 Air Conditioning Time Delay Assembly11/05/2018
en B237 Lead-Acid Batteries Leaking Electrolyte11/05/2018
en Drain Holes for Auxiliary Fuel Tank11/05/2018
en B237 Lead-Acid Batteries03/06/2019
en Pop-Out Floats Stabilizer03/22/2019
en Lubrication of Swashplate Bearings07/29/2019
en Battery Compartment Stiffener07/29/2019
en Lithium-Ion Battery Sense Wire07/29/2019
en Modified Pop-Out Float Stabilizer07/29/2019
en HeliSAS Flight Control Computer08/12/2019
en Chin Inspection Hole and Access Cover12/02/2019
A en Chin Inspection Hole and Access Cover03/11/2020
en Main Rotor Blade Tip Plate Permanent Removal & Sealant Application12/02/2019
en HeliSAS Autopilot Interface with Garmin PFD08/21/2020
A en F018-1 Clutch Assembly10/23/2020
en Hydraulic Controls Pre-Takeoff Check06/30/2021
en F029-1 Tail Rotor Blade Cracks01/06/2022
en Tail Rotor Blade Inspection & Replacement 12/22/2022
A en Tail Rotor Blade Inspection & Replacement ((Replacement Policy))03/26/2024
B en Tail Rotor Blade Inspection & Replacement 06/27/2024
en Auxiliary Fuel Flow Censor Circuit01/23/2024
Service Letters: R22
NameRevisionLangSubjectDate
en Cabin Heat Blower Assembly A64307/22/1980
en Tail Rotor Control Push-Pull Tube A121-1307/22/1980
en Tail Rotor Control Pedals07/22/1980
en Battery Ground Strap07/22/1980
revised en Installation of Nickel Plated Washers in the Forward and Intermediate Flexplates10/29/1980
en Inspection of A193-2 Flex Plate09/24/1980
en Inspection of Long Tail Rotor Drive Shaft09/27/1980
en Action Required when MR Chip Light Comes On10/03/1980
en Installation of A214-3 Safety Washers07/27/1981
en Engine Idle Speed Limitations08/11/1981
en Loose Upper Cylinder Base Nuts08/18/1981
en Premature Wear of A190-1 Vee Belts08/19/1981
en Loose Horizontal Firewall to Steel Tube Frame Attach Bolts09/10/1981
en Inspection of A197 Tail Rotor Drive Shafts09/16/1981
en Visual Inspection of Main Rotor Blade Root Area09/23/1981
en Installation of A911-1 Cabin Heater Scoop05/19/1982
en Removal of Cabin Heater Muffler Shroud in Warm Weather to Extend Muffler Service Life05/17/1982
en Installation of Mixture Control06/07/1982
Cor en Installation of Guard for Removable Cyclic Stick10/18/1982
A en Vee Belt Installation06/20/1984
A en Main Rotor Blade Sealant and Filler Cracking05/31/2002
en Replacement Bearings for Tail Rotor Teeter Hinge and Severe Hazard when Using Any Non-Approved Bearings02/17/1984
A en Special Caution when Installing Vee Belts or Other Driveline Components06/20/1984
en Removal of Clutch Yokes Before Shipment11/06/1984
en Modification of A437 Jackshaft Brace Tab01/15/1985
en Battery Terminal Misalignment04/15/1986
en Avco Lycoming Service Bulletin No. 47712/17/1986
en Proper Use of Starter Switch to Avoid Breaking Starter09/14/1987
en Magneto Switch Wiring11/16/1987
en A184-1 Clutch Bearing04/12/1988
en Overrunning Sprag Clutch Bearings11/07/1988
en Aeroquip Bulletin No. 00105/18/1989
en Excessive Oil Leakage from Tail Rotor Gear Box Breather Tube09/15/1989
en Alignment of Vee Belt Sheaves06/06/1990
en Alignment of Fan Shaft Bearing Housing10/05/1990
en Precision Airmotive Service Bulletins MSA-1 and MSA-210/31/1990
en Black and White Paint Scheme for Tail Rotor Blades03/22/1991
en Installation of New A190-2 Vee Belts04/19/1991
en Tail Rotor Visual Warning Guard and Danger Decals08/28/1991
en False Low RPM Warning Occurring During Radio Transmissions03/13/1992
en Replacement of Inlet Ducts06/18/1992
en Additional Caution Decal for Baggage Compartments10/08/1992
en Tail Rotor Gearbox Shaft Keys - Terminating Action for AD 94-17-0709/23/1994
en Main Rotor and Tail Rotor Gearbox Chip Detectors09/23/1994
en "GOV OFF" (Governor Off) Caution Light04/10/1996
en A184 Upper Clutch Actuator Bearing03/04/1997
en Mixture Control Cable Clamp10/02/1998
en Master Battery Relay Upgrade08/01/2001
en Visual Inspection of Main Rotor Blade Root Area11/21/2001
en Revised Main Rotor Blade Retirement Life03/25/2004
revised en Revised Main Rotor Blade Retirement Life06/17/2004
en Main Rotor Blade Inspection06/01/2006
A en A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance03/29/2007
B en A016-4, C016-2, and C016-5 Main Rotor Blade Bond Maintenance 04/30/2010
A en A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance05/25/2007
en Alternator V-Belts02/22/2008
en Cracked MS21042L-Series Nuts08/18/2011
en MRGB Oil Level Fluctuation09/07/2011
en Kannad ELT Service Bulletin07/19/2012
en Deleted Safety Wire07/03/2013
en Cleanable Air Filters07/03/2013
en A016-6 Main Rotor Blades09/10/2014
en D210 Corrosion-Resistant (CRES) Nuts10/13/2014
A en D210 Corrosion-Resistant (CRES) Nuts04/18/2024
en B526 (TORX Plus) Truss Head Screws10/13/2014
A en B526 (TORX Plus) Truss Head Screws11/07/2016
en Full Throttle Caution Light Kit12/08/2014
en Collective-Activated Hourmeter04/04/2016
en A158-3 Spindles04/04/2016
en Altimeters04/04/2016
en Main Rotor Blade Tip Fasteners11/07/2016
en Avionics Software11/07/2016
A en Avionics Software12/20/2017
en New A020-90 & A047-6 Upper Frame Installation11/21/2016
en High CHT Indication06/06/2017
en Riveted A185 Brackets Installation & Fiberglass Scroll Repair07/21/2017
A en Riveted A185 Brackets Installation & Fiberglass Scroll Repair12/20/2017
B en Riveted A185 Brackets Installation & Fiberglass Scroll Repair03/16/2023
en Governor Troubleshooting/Magneto Maintenance07/21/2017
A en Lycoming Engine Connecting Rod Small-End Bushings07/27/2017
en Fire Extinguisher Handling and Maintenance07/27/2017
A en Fire Extinguisher Handling and Maintenance12/20/2017
en A190-2 Drive Belts12/20/2017
en Unauthorized Repairs on Main Rotor Blades in Brazil06/08/2018
en Gearbox Chip Detector Maintenance06/08/2018
en Component Maintenance Course06/25/2018
B en Component Maintenance Course03/16/2023
C en Component Maintenance Course04/28/2023
A en Main Rotor Blade Tip Plate Permanent Removal06/29/2018
B en Main Rotor Blade Tip Plate Permanent Removal07/29/2019
en Main Rotor Blade Tip Maintenance07/29/2019
en A258-5 Pitch Link Assembly12/02/2019
en Kannad ELT Service Bulletin03/11/2020
en Inspection After Stabilizer Damage03/11/2020
en Main and Tail Gearbox Oil08/21/2020
en A792-5 Dual Tachometer03/11/2020
A en A792-5 Dual Tachometer05/21/2021
B en A792-5 Dual Tachometer07/07/2021
A en RHC Instructions for Continued Airworthiness (ICA) Digital Updates06/18/2020
B en RHC Instructions for Continued Airworthiness (ICA) Digital Updates03/24/2023
en A017-2 Revision AN Swashplate Assembly Shimming Procedures & Parts06/30/2021
en A462-4 Fitting Attachments06/30/2021
en ELT Security06/30/2021
en Tail Rotor Blade Condition & Care06/30/2021
A en Tail Rotor Blade Condition & Care06/03/2022
en Engine RPM Sensor Preventive Maintenance07/22/2022
en Lycoming Carbureted Engine Intake Valve Rotator Caps10/12/2022
en Tail Rotor Static Balance Equivalent Tool03/16/2023
en Cockpit Camera Firmware (Software) Update06/23/2023
en Symmetrical Horizontal Stabilizer Retrofit Kit05/28/2024
A en Symmetrical Horizontal Stabilizer Retrofit Kit09/12/2024
Service Letters: R44
NameRevisionLangSubjectDate
en Adjustment of Main Rotor Spindle Boot and Fluid Level05/24/1994
en Air Intake Hose Chafing Frame06/30/1994
en Cyclic "Shot Bag" Damper07/28/1994
en Engine Breather Coupling09/07/1994
en Autorotation RPM Adjustment05/05/1995
en Cyclic Friction12/26/1995
en Cyclic Trim Elastic Cord12/26/1995
A en Cyclic Trim System05/02/1996
en C439-7 Guide Assembly08/02/1996
en Replacement of A185-2 and -5 Brackets10/25/1996
en Upgraded Battery with Battery Cooling10/24/1996
en Lateral Cyclic Trim Assembly Spring Shaft Wear10/24/1996
en Carburetor Modification05/30/1997
A en Mixture Control Cable Clamp10/06/1998
en Collective Spring and Support09/08/1998
en Oil Cooler09/16/1999
en Pitot Line Contact with Push-Pull Tube01/17/2000
en Stuck Exhaust Valves in Engine01/17/2000
en Belt Tension Actuator Troubleshooting02/10/2000
en Master Battery Relay Upgrade08/01/2001
en Hydraulic Reservoir Vent06/10/2002
en Low RPM Warning Horn11/24/2003
en Oblique Tailpipe Exit10/15/2004
en D040-1 Aft Cowling Assembly10/15/2004
en Four Point Front Seat Harness10/15/2004
en Crankshaft Replacement07/20/2005
en Main Rotor Blade Inspection06/01/2006
A en A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance 03/29/2007
B en A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance04/30/2010
A en A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance05/25/2007
en Additional Inspection Criteria for Sprag Clutches12/19/2007
en Alternator V-Belts02/22/2008
en Servo Plugs03/18/2008
A en Servo Plugs03/25/2009
en Bladder Fuel Tank Factory Modification12/17/2009
en C016-7 Main Rotor Blade Installation Requirements06/18/2010
A en C016-7 Main Rotor Blade Installation Requirements09/10/2014
B en C016-7 Main Rotor Blade Installation Requirements10/29/2019
C en C016-7 Main Rotor Blade Installation Requirements03/05/2020
en Cracked MS21042L-Series Nuts08/18/2011
en Fuel Servo Diaphragms08/18/2011
en MRGB Oil Level Fluctuation09/07/2011
en Ground Handling Wheels and Wheel Supports09/07/2011
en R44 II Starting Circuit Time-Delay05/30/2012
en C343-1 Push-Pull Tube Assembly05/30/2012
en Kannad ELT Service Bulletin07/19/2012
en Deleted Safety Wire07/03/2013
en Cleanable Air Filters07/03/2013
en Magneto Tachometer Points Wires08/01/2014
en Precision Airmotive Service Bulletin PRS-10908/01/2014
en C016-7 Main Rotor Blades09/10/2014
en D210 Corrosion-Resistant (CRES) Nuts10/13/2014
A en D210 Corrosion-Resistant (CRES) Nuts04/18/2024
en B526 (TORX Plus) Truss Head Screws10/13/2014
A en B526 (TORX Plus) Truss Head Screws11/07/2016
en Full Throttle Caution Light Kit12/08/2014
en Altimeters04/04/2016
en Inhibited Glideslope Reception06/14/2016
en Main Rotor Blade Tip Fasteners11/07/2016
en Genesys Aerosystems (Autopilot) Service Letter11/07/2016
en Avionics Software11/07/2016
A en Avionics Software12/20/2017
en C258-5 Pitch Link Assembly01/30/2017
en High CHT Indication06/06/2017
en Revised Instrument Marking Metric Decals06/06/2017
en Riveted A185 Brackets Installation & Fiberglass Scroll Repair07/21/2017
A en Riveted A185 Brackets Installation & Fiberglass Scroll Repair12/20/2017
B en Riveted A185 Brackets Installation & Fiberglass Scroll Repair03/16/2023
en Governor Troubleshooting/Magneto Maintenance07/21/2017
A en Lycoming Engine Connecting Rod Small-End Bushings07/27/2017
en Fire Extinguisher Handling and Maintenance07/27/2017
A en Fire Extinguisher Handling and Maintenance12/20/2017
en Unauthorized Repairs on Main Rotor Blades in Brazil06/08/2018
en Gearbox Chip Detector Maintenance06/08/2018
en Component Maintenance Course06/25/2018
B en Component Maintenance Course03/16/2023
C en Component Maintenance Course04/28/2023
A en Main Rotor Blade Tip Plate Permanent Removal06/29/2018
B en Main Rotor Blade Tip Plate Permanent Removal07/29/2019
en C627-6 Five-Point Harness Assembly Lower Strap03/22/2019
en Main Rotor Blade Tip Maintenance07/29/2019
en Kannad ELT Service Bulletin03/11/2020
en Inspection After Stabilizer Damage03/11/2020
en Main and Tail Gearbox Oil08/21/2020
A en C792-5 Dual Tachometer03/12/2020
B en C792-5 Dual Tachometer05/21/2021
C en C792-5 Dual Tachometer07/07/2021
A en RHC Instructions for Continued Airworthiness (ICA) Digital Updates06/18/2020
B en RHC Instructions for Continued Airworthiness (ICA) Digital Updates03/24/2023
en C017-4 Swashplate Assembly Square Parts, and C017-6 Revision "AA", "AB" & "AC" Swashplate Assembly Spare Parts11/11/2020
A en C017-4 Swashplate Assembly Square Parts, and C017-6 Revision "AA", "AB" & "AC" Swashplate Assembly Spare Parts06/30/2021
en Clutch Actuator Gearmotor Wiring11/11/2020
en Field Service Data for Intake Valves11/11/2020
en Main Rotor Blade Unpainted Leading Edge Care11/13/2020
en A462-4 Fitting Attachments06/30/2021
en ELT Security06/30/2021
en Tail Rotor Blade Condition & Care06/30/2021
A en Tail Rotor Blade Condition & Care06/03/2022
en Lycoming Carbureted Engine Intake Valve Rotator Caps10/12/2022
en Tail Rotor Static Balance Equivalent Tool03/16/2023
en Engine RPM Sensor Preventive Maintenance07/22/2022
en Cockpit Camera Firmware (Software) Update06/23/2023
A en Lycoming Electronic Ignition System (EIS) Reduced Service Life01/25/2024
A en Symmetrical Horizontal Stabilizer Retrofit Kit02/21/2024
B en Symmetrical Horizontal Stabilizer Retrofit Kit03/18/2024
C en Symmetrical Horizontal Stabilizer Retrofit Kit08/29/2024
D en Symmetrical Horizontal Stabilizer Retrofit Kit12/20/2024
en Battery Preventive Maintenance04/18/2024
Service Letters: R66
NameRevisionLangSubjectDate
en Cracked MS21042L-Series Nuts08/18/2011
en Baggage Door Seals Kit ((KI-207B))09/07/2011
A en Clutch Assembly Retaining Bolt Replacement09/30/2011
en Center Rear Seat Decal05/29/2012
en Kannad ELT Service Bulletin07/19/2012
en Damper Assembly12/21/2012
en Deleted Safety Wire07/03/2013
en EASA Registration Requirements05/09/2014
en D210 Corrosion-Resistant (CRES) Nuts10/13/2014
A en D210 Corrosion-Resistant (CRES) Nuts04/18/2024
en B526 (TORX Plus) Truss Head Screws10/13/2014
A en B526 (TORX Plus) Truss Head Screws11/07/2016
en Main Gearbox Upgrade 09/15/2015
en Main Gearbox Upgrade09/18/2015
en Altimeters04/04/2016
en Inhibited Glideslope Reception06/14/2016
en Heater Line Spirap Insulation06/14/2016
en Main Rotor Blade Tip Fasteners11/07/2016
en Garmin G500H EFIS Air Temperature Probe Relocation11/07/2016
en Genesys Aerosystems (Autopilot) Service Letter11/07/2016
en PTG Beep Range11/07/2016
en Avionics Software11/07/2016
A en Avionics Software12/20/2017
en C258-5 Pitch Link Assembly01/30/2017
en Revised Instrument Marking Metric Decals06/06/2017
en R66 Marine Skid Extension Kit07/21/2017
en Fire Extinguisher Handling and Maintenance07/27/2017
A en Fire Extinguisher Handling and Maintenance12/20/2017
en F642 Shaft (Engine-to-Main Gearbox) Upgrade12/20/2017
en Component Maintenance Course06/25/2018
B en Component Maintenance Course03/16/2023
C en Component Maintenance Course04/28/2023
A en Main Rotor Blade Tip Plate Permanent Removal06/29/2018
B en Main Rotor Blade Tip Plate Permanent Removal07/29/2019
en Lithium-Ion Main Battery Transient Voltage Drop11/05/2018
en Main Rotor Gearbox Internal Visual Inspection11/05/2018
en C627-6 Five-Point Harness Assembly Lower Strap03/22/2019
en Main Rotor Blade Tip Maintenance07/29/2019
en RR300 Engine Corrosion Prevention12/02/2019
en Kannad ELT Service Bulletin03/11/2020
en Inspection After Stabilizer Damage03/11/2020
en Engine Harness N1 Connector03/11/2020
A en Engine Harness N1 Connector08/21/2020
A en RHC Instructions for Continued Airworthiness (ICA) Digital Updates06/18/2020
B en RHC Instructions for Continued Airworthiness (ICA) Digital Updates03/24/2023
en Firewall Drain Tube08/21/2020
en Main Rotor Blade Unpainted Leading Edge Care11/13/2020
en A462-4 Fitting Attachments06/30/2021
en ELT Security06/30/2021
en Tail Rotor Blade Condition & Care06/30/2021
A en Tail Rotor Blade Condition & Care06/03/2022
en Erratic N1 Indication/EMU Recordings06/30/2021
en Rolls-Royce RR300 Engine 2000-Hour Preventative Maintenance Interval (PMI) Options06/30/2021
en Tail Rotor Static Balance Equivalent Tool03/16/2023
en Cockpit Camera Firmware (Software) Update06/23/2023
B en Symmetrical Horizontal Stabilizer Retrofit Kit02/21/2024
C en Symmetrical Horizontal Stabilizer Retrofit Kit03/18/2024
D en Symmetrical Horizontal Stabilizer Retrofit Kit08/29/2024
E en Symmetrical Horizontal Stabilizer Retrofit Kit10/30/2024
F en Symmetrical Horizontal Stabilizer Retrofit Kit12/20/2024
en N1 Sensor Harness Assembly04/17/2024
en Revised Airworthiness Limitations with Rotor Blade Calendar Life Extension09/05/2024
en Battery Preventive Maintenance04/18/2024
Technical Guides
NameRevisionLangSubjectDate
en R22 & R44: Engine Monitoring Unit (EMU)07/12/2023
en R22 & R44: Engine Monitoring Unit (EMU)10/09/2020
User Guides
NameRevisionLangSubjectDate
en Cockpit Camera 03/17/2021
en Cockpit Camera 11/10/2021
en Cockpit Camera 06/27/2023
en Cockpit Camera 06/17/2021
en Cockpit Camera 04/07/2022
en Cockpit Camera03/17/2021
en Cockpit Camera12/23/2020
en Cockpit Camera 09/28/2021
en R22 & R44: Engine Monitoring Unit (EMU)10/02/2020
Miscellaneous
NameRevisionLangSubjectDate
en R66 Newscopter01/31/2017
en R44 Raven II Police Helicopter06/30/2016
en R44 Raven II & Clipper II11/30/2016
en R44 Raven I & Clipper I11/30/2016
en R44 Cadet & Cadet with Floats11/30/2016
en R22 Beta II11/30/2016
en Helipads
en Electric Tow Cart
en R66 Turbine Police Helicopter01/31/2017
en R66 Turbine & Turbine Marine11/30/2016
en Requirements for Pilots Ferrying Helicopters05/08/2006
en Programming Data Sheet04/03/2007
en Maintenance Record Appendix for AD 2014-23-16
en Additional Information Regarding Main Rotor Blade Skin Debonding05/25/2007
en Maintenance Record Appendix for AD 2011-12-10