Service Information: Robinson Helicopter
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Alternative Methods of Compliance • Checklists • Illustrated Parts Catalogs • Kit Instructions • Maintenance Manual Temporary Revisions • Maintenance Manuals • Miscellaneous • Operating Instructions • Operational Suitability Data • Pilot's Operating Handbooks & Flight Manuals • Safety Alerts • Safety Notices • Technical Guides • User Guides
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| AMOC 2007-26-12 | A | en | 1/23/2008 | |
| AMOC 2007-26-12 | B | en | 7/9/2010 | |
| AMOC 2007-26-12 | C | en | 4/12/2011 | |
| AMOC 2014-23-16 | en | 4/8/2015 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| R22 | en | Daily or Preflight Checks | 11/17/2021 | |
| R44 | en | Daily or Preflight Checks | 11/17/2021 | |
| R44 Cadet | en | Daily or Preflight Checks | 11/17/2021 | |
| R66 | en | Daily or Preflight Checks | 6/21/2021 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| IPC RTR060 (Vol II) |
rev | en | R22 | 1/31/2017 |
| IPC RTR460 (Vol II) |
en | R44 | 3/31/2016 | |
| IPC RTR460 (Vol II) |
rev | en | R44 | 2/1/2025 |
| IPC RTR660 (Vol II) |
rev | en | R66 | 3/1/2025 |
| IPC RTR660 (Vol II) |
rev | en | R66 | 4/30/2015 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| KI 61 | B | en | Landing Light Relay Conversion | 9/15/2011 |
| KI 112 | en | Pilot's Grip Assembly Upgrade | 12/20/1996 | |
| KI 114 | A | en | O-360 Engine Carburetor Change | 3/6/1997 |
| KI 151 | C | en | Pop-Out Float Cylinder Service | 9/9/2011 |
| KI 151 | D | en | Pop-Out Float Cylinder Service | 7/24/2017 |
| KI 155-1 | D | en | Standard to Five-Point Harness Installation | 11/21/2012 |
| KI 155-2 | D | en | Four-Point to Five-Point Harness Installation | 11/21/2012 |
| KI 155-3 | D | en | Five-Point Harness Installation | 11/21/2012 |
| KI 160 | B | en | Full-Flow Oil Filter | 8/26/2013 |
| KI 162 | B | en | Ground Handling Wheel (Pop-Out Floats) Installation | 10/18/2017 |
| KI 164 | en | Carbon Monoxide Detector Field Installation | 11/2/2007 | |
| KI 164 | A | en | Carbon Monoxide Detector Field Installation | 4/30/2009 |
| KI 178 | D | en | Fuel Control Reorientation | 9/14/2006 |
| KI 179-3 | C | en | Kannad 406 AF-Compact ELT Field Installation | 1/14/2009 |
| KI 179-3 | E | en | Kannad 406 AF-Compact ELT Field Installation | 9/1/2011 |
| KI 179-4 | C | en | Kannad 406 AF-Compact ELT Field Installation | 11/18/2008 |
| KI 179-4 | E | en | Kannad 406 AF-Compact ELT Field Installation | 9/1/2011 |
| KI 179-5 | H | en | Kannad AF Integra ELT Installation | 4/1/2015 |
| KI 179-6 | H | en | Kannad AF Integra ELT Installation | 4/1/2015 |
| KI 179-7 | H | en | Kannad AF Integra ELT Installation | 4/1/2015 |
| KI 179-8 | H | en | Kannad AF Integra ELT Installation | 4/1/2015 |
| KI 185 | en | C046-18 Frame Tube Clamp Installation | 8/8/2006 | |
| KI 191-1 | B | en | HID Landing Lights Installation | 9/15/2011 |
| KI 191-2 | B | en | HID Landing Lights Installation | 9/15/2011 |
| KI 193-1 | A | en | Gascolator Assembly Upgrade Field Installation | 3/31/2009 |
| KI 193-2 | A | en | R44 II Gascolator Assembly Upgrade Field Installation | 3/31/2009 |
| KI 193-4 | A | en | Gascolator Assembly Upgrade | 4/30/2010 |
| KI 194 | A | en | Fuel Hose Installation | 4/1/2009 |
| KI 194 | B | en | Fuel Hose Installation | 5/20/2009 |
| KI 195 | A | en | Fuel Hose Installation | 4/1/2009 |
| KI 195 | B | en | Fuel Hose Installation | 5/20/2009 |
| KI 196 | A | en | Bladder Fuel Tank Installation | 1/5/2011 |
| KI 196 | B | en | Bladder Fuel Tank Installation | 1/10/2011 |
| KI 197 | en | Battery Relay Bypass Circuit | 4/30/2010 | |
| KI 204-1 | A | en | 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade | 2/25/2011 |
| KI 204-1 | C | en | 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade | 10/20/2011 |
| KI 204-1 | E | en | 14V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade | 2/8/2013 |
| KI 204-2 | A | en | 28V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade | 2/25/2011 |
| KI 204-2 | C | en | 28V Wiring Retrofit for Single LED-Strobe Tailcone Upgrade | 10/20/2011 |
| KI 204-2 | E | en | 28V Airframe Provisions for Single LED-Strobe Tailcone | 2/8/2013 |
| KI 205 | A | en | Ground Handling Cart Booster Cable | 11/1/2011 |
| KI 206-3 | A | en | (Aux) Fuel Pump Assembly Upgrade | 7/14/2011 |
| KI 206-4 | A | en | (Aux) Fuel Pump Assembly Upgrade | 7/14/2011 |
| KI 207 | B | en | Baggage Door Seals | 9/13/2011 |
| KI 208-1 | C | en | Placards and Markings | 10/20/2011 |
| KI 208-2 | C | en | Placards and Markings | 10/20/2011 |
| KI 209 | B | en | R44 II Starting Circuit Time-Delay | 9/10/2012 |
| KI 213-1 | B | en | R44 II External Power Plug Installation | 11/13/2012 |
| KI 217-1 | E | en | Beta and Mariner Bladder Fuel Tank Installation | 4/17/2014 |
| KI 218-1 | A | en | Full Throttle Caution Light | 11/12/2014 |
| KI 218-2 | A | en | Full Throttle Caution Light | 11/12/2014 |
| KI 218-3 | A | en | R44 II Full Throttle Caution Light | 11/12/2014 |
| KI 228-1 | A | en | 14V Radar Altimeter Installation | 5/28/2015 |
| KI 228-2 | A | en | 28V Radar Altimeter Installation | 5/28/2015 |
| KI 230 | A | en | Fuel Sample Tube Installation | 10/14/2015 |
| KI 231 | A | en | Fuel Dip Stick Installation | 10/14/2015 |
| KI 235 | A | en | TRDS Forward Yoke Assembly and Hanger Installation | 6/23/2015 |
| KI 238 | C | en | Collective-Activated Hourmeter Installation | 4/14/2017 |
| KI 242 | B | en | Clutch Actuator Time Delay Installation | 1/11/2018 |
| KI 244-1 | B | en | LH Forward Door | 11/22/2016 |
| KI 244-2 | B | en | RH Forward Door | 11/22/2016 |
| KI 248 | A | en | Inlet Barrier Filter (IBF) Installation | 5/18/2017 |
| KI 249 | A | en | CHT Gage Calibration | 6/8/2017 |
| KI 252 | A | en | Pop-Out Floats Skid Extension Upgrade Installation | 8/14/2017 |
| KI 253-1 | A | en | 14V Low RPM Warning Horn Installation | 9/28/2017 |
| KI 253-2 | A | en | 28V Low RPM Warning Horn Installation | 9/28/2017 |
| KI 287 | A | en | Governor & Engine RPM Sensor Connector Upgrade | 2/23/2022 |
| KI 288 | A | en | Governor & Engine RPM Sensor Connector Upgrade | 2/23/2022 |
| KI 2201 | A | en | Minimum Spare Parts | 6/22/2017 |
| KI 2202 | B | en | 2200-Hour Inspection (S/N 2570 and prior) | 6/28/2017 |
| KI 2203 | B | en | 2200-Hour Inspection (S/N 2571 and subsequent) | 6/28/2017 |
| KI 2204 | A | en | Provisions for O-320 Engine Installation | 6/1/2017 |
| KI 2205 | A | en | Provisions for O-360 Engine Installation | 6/1/2017 |
| KI 2206-1 | A | en | Velour Interior Furnishings Installation | 9/14/2017 |
| KI 2206-2 | A | en | Leather Interior Furnishings Installation | 9/14/2017 |
| KI 2207 | A | en | A017-1 Swashplate Installation | 6/1/2017 |
| KI 2208 | A | en | A057-2 Airbox Assembly Installation | 6/1/2017 |
| KI 4401 | A | en | Minimum Spare Parts | 6/22/2017 |
| KI 4405 | A | en | Provisions for R44 O-540 Engine Installation | 6/22/2017 |
| KI 4406 | A | en | Provisions for R44 II IO-540 Engine Installation | 6/22/2017 |
| KI 4407-1 | A | en | Velour Interior Furnishings Installation | 9/14/2017 |
| KI 4407-2 | A | en | Leather Interior Furnishings Installation | 9/14/2017 |
| KI 6601 | A | en | Minimum Spare Parts | 6/22/2017 |
| KI 6603 | A | en | Interior Furnishings Installation | 9/14/2017 |
| KI R7983 | C | en | C017-5 Swashplate Installation Field Kit | 4/18/2017 |
| KI R8209 | F | en | (Raven I) 2200-Hour Inspection | 1/19/2017 |
| KI R8210 | G | en | (Raven II) 2200-Hour Inspection | 1/19/2017 |
| KI R8480 | E | en | 2000-Hour Maintenance and Inspection Kit | 10/31/2016 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| TR R44 | en | Fatigue Life-Limited Parts | 4/26/2010 | |
| TR R44 | en | Fatigue Life-Limited Parts | 3/1/2011 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| MM RTR060 | rev | en | R22 | 4/1/2012 |
| MM RTR060 (Vol I) |
rev | en | R22 | 10/1/2014 |
| MM RTR460 | Chg14 | en | R44 | 7/1/2008 |
| MM RTR460 | rev | en | R44 | 4/1/2012 |
| MM RTR460 (Vol I) |
rev | en | R44 | 10/1/2014 |
| MM RTR660 (Vol I) |
rev | en | R66 | 3/1/2025 |
| MM RTR660 | rev | en | R66 | 3/1/2012 |
| MM RTR660 | rev | en | R66 | 9/1/2012 |
| MM RTR660 (Chp 63) |
rev | en | R66 | 5/1/2015 |
| MM RTR660 (Vol I) |
rev | en | R66 | 4/1/2017 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| OI MT900 | en | MT900 Ground Handling Cart | 10/1/2011 | |
| OI MT900 | rev | en | MT900 Ground Handling Cart | 12/1/2012 |
| OI MT950 | en | MT900 Ground Handling Cart | 10/1/2011 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| OSD RTR465 | Iss2 | en | R44 EASA Flight Crew Data | 5/18/2017 |
| OSD RTR665 | 1 | en | R66 EASA Flight Crew Data | 9/28/2015 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| POH RTR061 | rev | en | R22 | 7/3/2013 |
| POH RTR061 | rev | en | R22 | 10/26/2016 |
| POH RTR461 | rev | en | R44 | 7/10/2012 |
| POH RTR461 | rev | en | R44 | 10/21/2016 |
| POH RTR462 | rev | en | R44II | 7/10/2012 |
| POH RTR462 | rev | en | R44II | 10/21/2016 |
| POH RTR463 | rev | en | R44 Cadet | 10/21/2016 |
| POH RTR661 (Chp 9) |
rev | en | R66 | 10/9/2015 |
| POH RTR661 | rev | en | R66 | 9/7/2012 |
| POH RTR661 | rev | en | R66 | 8/29/2017 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SA R22 | en | Exceeding Manifold Pressure Limits can Cause Blade Failure | 12/1/2004 | |
| SA R22 | en | A016-6 Main Rotor Blade Crack | 12/22/2016 | |
| SA R22/R44 | en | Main Rotor Blade Skin Debonding | 1/4/2007 | |
| SA R22/R44 | en | Exceeding Power Limits can be Fatal | 12/20/2004 | |
| SA R22/R44 | en | Main Rotor Blade Skin Debonding | 3/22/2007 | |
| SA R22/R44 | en | Pilot Monitoring of Engine Governor | 2/4/2022 | |
| SA R22/R44 | en | Unauthorized Repairs on Main Rotor Blades in Brazil | 5/3/2018 | |
| SA R22/R44 | en | A016-4, C016-2 & C016-5 Main Rotor Blades | 2/23/2018 | |
| SA R22/R44/R66 | en | Corrosion at Tail Rotor Blade Tip | 6/3/2022 | |
| SA R44 | en | Hot Weather Operation | 4/15/2009 | |
| SA R44 | en | Engine Intake Valves | 10/14/2020 | |
| SA R44 | en | Ensure R44 II Induction Hose Service Bulletin SB-100 has been Accomplished | 6/17/2020 | |
| SA R44 | en | Avoid Flying Out of Trim | 6/7/2007 | |
| SA R44/R66 | en | Hydraulic Controls Pre-Takeoff Check | 1/8/2021 | |
| SA R44/R66 | en | Low-G Mast Bumping Accidents | 11/18/2016 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SN-1 | 2 | en | Inadvertent Actuation of Mixture Control in Flight | 6/1/1994 |
| SN-9 | 1 | en | Many Accidents Involve Dynamic Rollover | 6/1/1994 |
| SN-10 | 2 | en | Fatal Accidents Caused by Low RPM Rotor Stall | 6/1/1994 |
| SN-11 | 1 | en | Low-G Pushovers - Extremely Dangerous | 6/1/1994 |
| SN-11 | 2 | en | Low-G Pushovers - Extremely Dangerous | 11/1/2000 |
| SN-11 | 3 | en | Low-G Pushovers - Extremely Dangerous | 7/1/2025 |
| SN-13 | 1 | en | Do Not Attach Items to Skids | 6/1/1994 |
| SN-15 | 1 | en | Fuel Exhaustion Can be Fatal | 6/1/1994 |
| SN-16 | 1 | en | Power Lines are Deadly | 6/1/1994 |
| SN-17 | 2 | en | Never Exit Helicopter with Engine Running | 6/1/1994 |
| SN-18 | 2 | en | Loss of Visibility can be Fatal | 6/1/1994 |
| SN-19 | 1 | en | Flying Low Over Water is Very Hazardous | 6/1/1994 |
| SN-20 | 1 | en | Beware of Demonstration or Initial Training Flights | 6/1/1994 |
| SN-22 | 1 | en | Vortex Ring State Catches Many Pilots by Surprise | 6/1/1994 |
| SN-22 | 2 | en | Vortex Ring State Catches Many Pilots by Surprise | 10/1/2016 |
| SN-22 | 3 | en | Vortex Ring State Catches Many Pilots by Surprise | 1/1/2024 |
| SN-23 | 1 | en | Walking into Tail Rotor can be Fatal | 6/1/1994 |
| SN-24 | 1 | en | Low RPM Rotor Stall can be Fatal | 6/1/1994 |
| SN-25 | 1 | en | Carburetor Ice | 6/1/1994 |
| SN-25 | 2 | en | Carburetor Ice | 11/1/1999 |
| SN-25 | 3 | en | Carburetor Ice | 7/1/2012 |
| SN-26 | 1 | en | Night Flight Plus Bad Weather can be Deadly | 6/1/1994 |
| SN-27 | 1 | en | Surprise Throttle Chops can be Deadly | 6/1/1994 |
| SN-28 | 1 | en | Listen for Impending Bearing Failure & Clutch Light Warning | 6/1/1994 |
| SN-28 | 2 | en | Listen for Impending Bearing Failure & Clutch Light Warning | 7/1/2012 |
| SN-29 | 1 | en | Airplane Pilots High Risk when Flying Helicopters | 6/1/1994 |
| SN-30 | en | Loose Objects can be Fatal | 6/1/1994 | |
| SN-30 | 1 | en | Loose Objects can be Fatal | 4/1/2009 |
| SN-31 | en | Governor can Mask Carb Ice | 12/1/1996 | |
| SN-32 | en | High Winds or Turbulence | 3/1/1998 | |
| SN-32 | 1 | en | High Winds or Turbulence | 5/1/2013 |
| SN-32 | 2 | en | High Winds or Turbulence | 2/1/2016 |
| SN-32 | 3 | en | High Winds or Turbulence | 6/1/2020 |
| SN-32 | 4 | en | High Winds or Turbulence | 7/1/2025 |
| SN-33 | en | Drive Belt Slack | 3/1/1998 | |
| SN-33 | 1 | en | Drive Belt Slack | 5/1/2013 |
| SN-33 | 2 | en | Drive Belt Slack | 7/1/2013 |
| SN-33 | 3 | en | Drive Belt Slack | 7/1/2021 |
| SN-34 | en | Aerial Survey and Photo Flights - Very High Risk | 3/1/1999 | |
| SN-34 | 1 | en | Aerial Survey and Photo Flights - Very High Risk | 4/1/2009 |
| SN-35 | en | Flying Near Broadcast Towers | 4/1/1999 | |
| SN-35 | 1 | en | Flying Near Broadcast Towers | 2/1/2016 |
| SN-36 | en | Overspeeds During Liftoff | 11/1/2000 | |
| SN-37 | en | Exceeding Approved Limitations can be Fatal | 12/1/2001 | |
| SN-38 | 1 | en | Practice Autorotation Cause Many Training Accidents | 10/1/2004 |
| SN-38 | 2 | en | Practice Autorotation Cause Many Training Accidents | 7/1/2019 |
| SN-39 | en | Unusual Vibration can Indicate a Main Rotor Blade Crack | 7/1/2003 | |
| SN-40 | en | Post-Crash Fires | 7/1/2006 | |
| SN-40 (Addendum) |
en | Post-Crash Fires | 7/28/2006 | |
| SN-40 | 1 | en | Post-Crash Fires | 5/1/2013 |
| SN-41 | en | Pilot Distractions | 5/1/2013 | |
| SN-41 | 1 | en | Pilot Distractions | 7/1/2021 |
| SN-41 | 2 | en | Pilot Distractions | 7/1/2025 |
| SN-42 | en | Unanticipated Yaw | 5/1/2013 | |
| SN-42 | 1 | en | Unanticipated Yaw | 7/1/2019 |
| SN-43 | en | Use Extra Caution During Post-Maintenance Flights | 1/1/2015 | |
| SN-44 | en | Carrying Passengers | 2/1/2017 | |
| SN-44 | 1 | en | Carrying Passengers | 6/1/2017 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SB-1 (B-1) |
en | Mandatory Main Rotor Blade Inspection | 12/28/1979 | |
| SB-2 (B-2) |
en | Mandatory Main Rotor Blade Inspection | 3/4/1980 | |
| SB-3 (B-3) |
en | Mandatory Steel Tube Frame A020-2 | 7/29/1980 | |
| SB-4 (B-4) |
rev | en | Mandatory Dye Penetrant Inspection Aft End of Upper Steel Tube Frame Assembly P/N A020-2 | 10/28/1980 |
| SB-5 | en | Mandatory Possible Installation of Defective Main Rotor Gear Sets | 10/6/1980 | |
| SB-6 | en | Mandatory Inspection of Main Gear Box Flex Coupling Yokes | 1/26/1981 | |
| SB-7 | en | Mandatory Inspection of Long Tail Rotor Drive Shaft | 2/9/1981 | |
| SB-8 | en | Mandatory Ice Blockage of Engine Breather Tube | 2/19/1981 | |
| SB-9 | en | Mandatory Additional Inspection of Main Gear Box Yokes | 3/4/1987 | |
| SB-11 | en | Mandatory Inspection of A192 and A194 Main Gear Box Yokes | 5/4/1981 | |
| SB-12 | rev | en | Mandatory Removal of Sharp Edges in Angular Latch Portion of A628-1 and -2 Seat Harness Assembly | 5/26/1981 |
| SB-13 | en | Mandatory Main Rotor Root Fitting Fatigue Failure | 9/4/1981 | |
| SB-14 | en | Mandatory Failure of A041-2 Damper Clip | 10/14/1981 | |
| SB-15 | en | Mandatory Service Life Reduction and Additional Inspection of A016 Rotor Blade | 11/14/1981 | |
| SB-16 | en | Mandatory Improper Clutch Shaft Plug Installation | 11/18/1981 | |
| SB-18 | en | Mandatory Inspection of A020-2 Upper Steel Tube Frame | 3/12/1982 | |
| SB-19 | Cor | en | Replacement of A106-4 or -5 Journals and Teeter Hinge Bearings | 4/13/1982 |
| SB-20 | en | Mandatory Inspection of Long Tail Rotor Drive Shaft and Damper | 5/3/1982 | |
| SB-21 | en | Mandatory Replacement of Tail Rotor Driveshaft & Aft Flex Plate | 6/1/1982 | |
| SB-22 | en | Inspection for Rubbing A121-7 Push-Pull Tube | 6/24/1982 | |
| SB-23 | en | Inspection of A020-2 Upper Steel Tube Frame | 8/27/1982 | |
| SB-24 | en | Mandatory RPM Warning Light Installation | 10/23/1982 | |
| SB-25 | en | Mandatory Low RPM Warning Unit Readjustment | 10/26/1982 | |
| SB-26 | en | Installation of A960-1 Clamp and A961-1 Strap on A020-2 Upper Steel Tube Frame | 11/9/1982 | |
| SB-27 | en | Spring for Cyclic Boot | 2/2/1983 | |
| SB-28 | en | Inspection of Lower Actuator Bearing A181-1 | 2/22/1983 | |
| SB-29 | en | Clutch Lock Switch | 3/1/1983 | |
| SB-30 | en | Check of Low RPM Warning System | 4/12/1983 | |
| SB-31 | en | Lower Actuator Bearing A181-1 | 4/14/1983 | |
| SB-32 | en | Actuator Drive Screw | 6/7/1983 | |
| SB-33 | en | Mandatory Replacement of Old Design Rev W (1000 hr) Main Rotor Blades | 7/25/1983 | |
| SB-34 | en | Mandatory Clutch Actuator Light Relocation | 8/24/1983 | |
| SB-35 | en | Mandatory V-Belt Guide Installation | 10/7/1983 | |
| SB-36 | en | Inspection of A121-7 Push-Pull (P-P) Tubes and Guide Wear | 11/11/1983 | |
| SB-37 | A | en | Washer Installed at M.R. Pitch Rod End | 2/17/1984 |
| SB-38 | en | Main Rotor Controls Sticking or Binding | 2/17/1984 | |
| SB-39 | en | Drilled Head Bolt Installation Lower LH Frame to Fuselage | 2/17/1984 | |
| SB-40 | en | Modification of Forward Right-Hand Landing Gear Mount Shackle | 6/20/1984 | |
| SB-41 | en | Mixture Control Safety Spring Assembly Installation | 6/20/1984 | |
| SB-43 | en | Mandatory Inspection and Modification of MR Gearbox Ring Gear Bolts | 8/24/1984 | |
| SB-45 | en | Clutch Actuator Overtravel Limit Switch | 5/10/1985 | |
| SB-46 | en | Sprag Clutch Replacement | 10/18/1985 | |
| SB-47 | en | Inspection of A020-2 Upper Steel Tube Frame | 1/13/1986 | |
| SB-48 | en | A723 Oil Cooler Lines | 1/13/1983 | |
| SB-49 | en | A740-1 Manifold Pressure Line | 4/15/1986 | |
| SB-50 | en | Vee Belt Drive | 4/15/1986 | |
| SB-51 | en | Main Rotor Elastic Teeter Stops | 7/2/1986 | |
| SB-52 | en | Oil Cooler Mounting Installation | 7/2/1986 | |
| SB-53 | en | Cracks in Lower Vertical Fin Attachment Channels | 10/1/1986 | |
| SB-54 | en | Caution Decal for Carburetor Air Temperature Gage | 11/20/1986 | |
| SB-55 | en | Harness Assembly Buckle/Connector | 1/7/1987 | |
| SB-56 | en | Stop for Cabin Door Air Vent | 1/20/1987 | |
| SB-57 | en | Main Rotor Pitch Link Inspection & Fitting Replacement | 5/11/1987 | |
| SB-58 | en | Actuator Bearings | 9/13/1988 | |
| SB-59 | en | Main Rotor Spindle Crack Inspection | 11/7/1988 | |
| SB-60 | A | en | Main Rotor Spindle Rework and Journal Replacement | 1/12/1989 |
| SB-61 | en | Latches on Carburetor Air Box | 7/28/1989 | |
| SB-62 | en | Air Duct Chafing Oil Line | 5/10/1990 | |
| SB-63 | en | Replacement of Fan Shaft Bearing | 6/6/1990 | |
| SB-64 | en | Tail Rotor Pedal Retaining Clips | 6/8/1990 | |
| SB-65 | en | Cracking of Fanwheel Assembly Hubs | 12/20/1990 | |
| SB-66 | en | Vee Belt - Lower Sheave Inspection | 4/19/1991 | |
| SB-67 | en | Replacement of Tail Rotor Visual Warning Guard (B312-1) | 1/9/1992 | |
| SB-68 | en | Tailcone Skin Doubler for Tail Rotor Visual Warning Guard | 2/27/1992 | |
| SB-69 | en | Replacement of Suspect NAS1304-16 AF Bolts | 2/27/1992 | |
| SB-70 | A | en | Improved Replacement Vee Belts | 6/25/1992 |
| SB-71 | en | Inspection of Upper V-Belt Sheave | 6/18/1992 | |
| SB-72 | en | Inspection of Main Rotor Blades for Corrosion | 3/29/1993 | |
| SB-73 | en | Inspection of A947-1 Forward Flexplate | 3/15/1994 | |
| SB-74 | en | Tail Rotor Gearbox Output Shaft Key | 7/18/1994 | |
| SB-75 | en | Replacement of Forward Flex Plates | 11/22/1994 | |
| SB-76 | en | Main Rotor Shaft Retaining Nuts | 12/22/1994 | |
| SB-77 | en | Replacement of V-Belt Upper Sheave | 4/25/1995 | |
| SB-78 | A | en | Main Rotor Droop Stops and Teeter Stops | 5/27/2004 |
| SB-79 | en | Placard to Prohibit Pushovers | 5/23/1995 | |
| SB-80 | A | en | Throttle Governor Installation and Low RPM Warning Unit Adjustment | 6/8/1995 |
| SB-81 | en | Gascolator Drain Valve Torque | 6/8/1995 | |
| SB-82 | en | Carburetor Replacement | 3/3/1997 | |
| SB-83 | en | Upgrade of Fuel Tank Vents | 3/4/1997 | |
| SB-84 | en | Fuel Tank Vent Upgrade | 9/8/1998 | |
| SB-85 | en | A188-2 Sprag Clutch | 3/22/1999 | |
| SB-86 | en | A121-3 and A121-7 Push-Pull Tubes Rubbing | 5/3/1999 | |
| SB-87 | en | Seat Belt Anchor Upgrade | 12/15/1999 | |
| SB-88 | A | en | A203-5 Yoke Replacement | 9/13/2000 |
| SB-89 | en | A184 Upper Clutch Actuator Bearing Lubrication | 8/1/2001 | |
| SB-90 | A | en | Tail Rotor Pitch Control Bearings | 6/10/2002 |
| SB-91 | en | A437 Jackshaft Brace Tabs | 11/3/2003 | |
| SB-92 | en | Tail Rotor Pedal Retaining Clips | 11/3/2003 | |
| SB-93 | en | COMM Antenna Tips | 5/27/2004 | |
| SB-94 | en | AO16-2 Main Rotor Blade Replacement | 12/14/2004 | |
| SB-95 | en | A181-4 Lower Actuator Bearing Assembly | 1/26/2005 | |
| SB-96 | en | Main Rotor Blade Erosion | 3/29/2007 | |
| SB-97 | en | Pedal Support Safety Tabs | 2/22/2008 | |
| SB-98 | en | Removable Collective Spring Pin | 2/22/2008 | |
| SB-99 | en | Gascolator Assembly (KI-193-4A) | 4/30/2010 | |
| SB-100 | en | Carbon Monoxide (CO) Detector Retrofit (KI-164A) | 4/30/2010 | |
| SB-101 | en | Door Lower Hinge Pins | 4/30/2010 | |
| SB-102 | en | Battery Relay Bypass Circuit Fuse (KI-197) | 4/30/2010 | |
| SB-103 | en | Main Rotor Blade Bond Inspection | 4/30/2010 | |
| SB-103 (Appendix) |
en | Main Rotor Blade Bond Inspection | 12/10/2011 | |
| SB-103 | A | en | Main Rotor Blade Bond Inspection | 7/19/2012 |
| SB-104 | en | Clutch Actuator Fuse Holder Wiring | 5/26/2010 | |
| SB-105 | en | Fuel Shut-Off Valve Replacement | 9/7/2011 | |
| SB-106 | en | Rotor Brake Switch | 2/21/2012 | |
| SB-107 | en | Fuel Cap Decal | 5/30/2012 | |
| SB-108 | en | Rotor RPM Sender Magnets | 7/3/2013 | |
| SB-109 | en | Bladder Fuel Tank Retrofit | 1/8/2014 | |
| SB-109 | A | en | Bladder Fuel Tank Retrofit | 1/15/2018 |
| SB-110 | en | B771-1 (Reusable) Air Filters | 10/14/2014 | |
| SB-111 | en | Ammeter Circuit Fuse Protection | 11/21/2016 | |
| SB-112 | en | Actuator Lower Bearing A185 Brackets | 6/8/2017 | |
| SB-113 | en | A051-1 Belt Tension Actuator | 12/20/2017 | |
| SB-113 | A | en | A051-1 Belt Tension Actuator | 1/15/2018 |
| SB-114 | en | D602-3 Time Delay Assembly | 2/25/2019 | |
| SB-115 | en | Air/Oil Separator Hose Spring | 5/3/2019 | |
| SB-116 | en | Main Rotor Blade Tip Plate Permanent Removal & Sealant Application | 12/2/2019 | |
| SB-117 | en | Air/Oil Separator Hose | 3/11/2020 | |
| SB-118 | en | Fire Extinguisher Relocation | 6/30/2021 | |
| SB-118 | B | en | Fire Extinguisher Relocation | 7/15/2021 |
| SB-119 | en | C143-1 Sensor (Engine RPM) Wiring | 2/23/2022 | |
| SB-120 | en | Tail Rotor Blade Inspection & Replacement | 12/22/2022 | |
| SB-120 | A | en | Tail Rotor Blade Inspection & Replacement (Replacement Policy) | 3/26/2024 |
| SB-120 | B | en | Tail Rotor Blade Inspection & Replacement | 6/27/2024 |
| SB-120 | C | en | Tail Rotor Blade Inspection & Replacement | 1/28/2025 |
| SB-121 | en | D270-1 Governor Controller Upgrade | 6/28/2023 | |
| SB-122 | en | Clutch Assembly Retainer Replacement | 6/27/2024 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SB-1 | A | en | Required Modification of Cyclic Trim Motors | 5/26/1994 |
| SB-4 | en | Replacement of Guides for C121-7 Push-Pull Tubes | 1/24/1995 | |
| SB-5 | en | Main Rotor Droop Stops and Teeter Stops | 4/26/1995 | |
| SB-6 | en | Placard to Prohibit Pushovers | 5/23/1995 | |
| SB-7 | A | en | Low RPM Warning Unit Adjustment | 6/8/1995 |
| SB-8 | en | Gascolator Drain Valve Torque | 6/8/1995 | |
| SB-9 | en | Fan Nut Torque | 9/11/1995 | |
| SB-10 | en | Upper and Lower Swashplate Fork and Arm Linkage Assemblies | 9/11/1995 | |
| SB-11 | en | Replacement of Carburetor Air Temperature Gage and Relocation of Probe | 9/11/1995 | |
| SB-12 | en | Cyclic Damper Replacement | 9/11/1995 | |
| SB-13 | en | Collective Spring Assembly and Spring Assembly Support Replacement | 12/26/1995 | |
| SB-14 | en | Replacement of C007-3 or C007-4 Shaft Assembly and D174-1 Fanwheel | 4/26/1996 | |
| SB-15 | en | Main Rotor Gearbox Ring Gear Bolts | 8/2/1996 | |
| SB-16 | en | Replacement of C309-1 Panel Assembly with V-Belt Restraint | 10/22/1996 | |
| SB-17 | en | Pilot's Grip Assembly | 12/18/1996 | |
| SB-18 | en | Pilot's Heater Outlet Air Supply Hose | 4/16/1997 | |
| SB-19 | en | Lateral Cyclic Trim Assembly Spring Shaft Wear | 4/16/1997 | |
| SB-20 | en | C315 Collective Support Weldment | 4/16/1997 | |
| SB-21 | en | Belt Tension Actuator Switches | 4/18/1997 | |
| SB-22 | en | Tail Rotor Guard | 5/30/1997 | |
| SB-23 | en | Replacement of C018-1 Clutch Assembly | 5/30/1997 | |
| SB-24 | en | Removal of Paint from Tail Rotor Gearbox Attachment Surfaces | 10/1/1997 | |
| SB-25 | en | Oil Line Elbows | 10/1/1997 | |
| SB-26 | en | Lateral Cyclic Trim Assembly | 1/31/1998 | |
| SB-27 | A | en | Main Rotor Blade Inspection | 5/29/1998 |
| SB-27 | B | en | Main Rotor Blade Inspection | 6/18/1998 |
| SB-28 | A | en | Main Rotor Blade Replacement | 10/27/1998 |
| SB-29 | en | Replacement of Crankshaft Gear Retaining Bolt | 7/9/1998 | |
| SB-30 | en | Auxiliary Fuel Tank Drain Tube Shutoff Clamp | 10/28/1998 | |
| SB-32 | en | C188-3 Sprag Clutch | 3/22/1999 | |
| SB-33 | en | C051-1 or -2 Belt Tension Actuator | 5/3/1999 | |
| SB-34 | en | Tail Rotor Gearbox Output Shaft Bearing Preload | 6/21/1999 | |
| SB-35 | en | C908-1 Yoke Replacement | 7/26/1999 | |
| SB-36 | en | C188-3 Sprag Clutch | 11/5/1999 | |
| SB-37 | en | Aft C121-25 Push-Pull Tube Contact with Mast Fairing Rib | 1/17/2000 | |
| SB-38 | en | Hydraulic Reservoir Sequence Valve Inspection | 3/3/2000 | |
| SB-39 | en | Horizontal to Vertical Stabilizer Attach Channels | 9/12/2000 | |
| SB-40 | en | Emergency Pop-Out Float Pressure Cylinder Valve | 9/12/2000 | |
| SB-41 | A | en | Tail Rotor Rigging | 6/10/2002 |
| SB-42 | en | C181-3 Lower Clutch Actuator Bearing Lubrication | 8/1/2001 | |
| SB-42 | A | en | C181-3 Lower Clutch Actuator Bearing Lubrication | 10/15/2004 |
| SB-43 | A | en | Tail Rotor Pitch Control Bearings | 6/10/2002 |
| SB-44 | en | Hydraulic Pump Lines and Fittings | 8/1/2001 | |
| SB-46 | en | D318-1 Muffler and Tailpipe Shield Installation | 11/15/2002 | |
| SB-47 | en | R44II Fuel Control Inlet Fitting | 6/20/2003 | |
| SB-48 | en | R44II Fuel Control Safety Wire | 9/11/2003 | |
| SB-49 | en | Engine Alternate Air Intake | 9/11/2003 | |
| SB-50 | en | R-44II Oil Line Clamp | 9/11/2003 | |
| SB-51 | en | NAS6605-31 Bolts | 11/24/2003 | |
| SB-52 | en | COMM Antenna Tips | 5/27/2004 | |
| SB-53 | en | CO46-18 Frame Tube | 5/27/2004 | |
| SB-55 | en | R44II Fuel Control Reorientation (KI-178) | 7/20/2005 | |
| SB-56 | en | Seat Belt Buckle Assemblies | 3/29/2006 | |
| SB-57 | en | KI-176 R44 Tailpipe Extension Kit | 3/29/2006 | |
| SB-58 | A | en | R44II Throttle Link | 9/1/2006 |
| SB-59 | en | CO46-18 Frame Tube Clamp (KI-185) | 8/9/2006 | |
| SB-60 | en | C771-1 Air Filters with Orange Rubber | 9/15/2006 | |
| SB-61 | en | Latches on Carburetor Air Box | 3/29/2007 | |
| SB-62 | en | R44 II Throttle Linkage | 12/19/2007 | |
| SB-63 | en | Pedal Support Safety Tabs | 2/22/2008 | |
| SB-64 | en | Removable Collective Spring Pin | 2/22/2008 | |
| SB-65 | en | Air Conditioning Duct Wiring | 2/22/2008 | |
| SB-66 | en | D202-2 Bracket Replacement | 3/18/2008 | |
| SB-67 | en | R44 II Fuel Hose Supports | 11/6/2008 | |
| SB-68 | en | Rigid Fuel Line Replacement (KI-194B, KI-195B) | 3/25/2009 | |
| SB-69 | en | Gascolator Assembly (KI-193-1A, KI-193-2A) | 3/25/2009 | |
| SB-70 | en | Carbon Monoxide (CO) Detector Retrofit (KI-164A) | 3/25/2009 | |
| SB-71 | en | R44 II Throttle Link | 3/25/2009 | |
| SB-72 (Appendix) |
en | Main Rotor Blade Bond Inspection | 12/10/2011 | |
| SB-72 | en | Main Rotor Blade Bond Inspection | 4/30/2010 | |
| SB-72 | A | en | Main Rotor Blade Bond Inspection | 7/19/2012 |
| SB-73 | en | Battery Relay Bypass Circuit Fuse (KI-197) | 4/30/2010 | |
| SB-74 | en | MRGB Input Yoke Retaining Nut Torque | 4/30/2010 | |
| SB-75 | en | Door Lower Hinge Pins | 4/30/2010 | |
| SB-76 | en | Air Conditioning Installation Upgrades | 4/30/2010 | |
| SB-77 | en | Clutch Actuator Fuse Holder Wiring | 5/26/2010 | |
| SB-78 | en | Bladder Fuel Tank Retrofit | 12/20/2010 | |
| SB-78 | A | en | Bladder Fuel Tank Retrofit (KI-196A) | 2/21/2012 |
| SB-78 | B | en | Bladder Fuel Tank Retrofit (KI-196B) | 9/28/2012 |
| SB-79 | en | C188-3 Sprag Clutches | 12/20/2010 | |
| SB-80 | en | Pop-Out Float Cylinder Valve | 9/7/2011 | |
| SB-81 | en | Hydraulic Servos | 2/21/2012 | |
| SB-82 | en | Rotor Brake Switch | 2/21/2012 | |
| SB-83 | en | Tail Rotor Blade Fatigue Cracks | 5/30/2012 | |
| SB-84 | en | Fuel Cap Decal | 5/30/2012 | |
| SB-85 | en | C771-1 Air Filter Deterioration | 8/31/2012 | |
| SB-86 | en | Rotor RPM Sender Magnets | 7/3/2013 | |
| SB-87 | en | B771-2 (Reusable) Air Filters | 10/14/2014 | |
| SB-88 | en | Landing Gear Attach Nuts | 12/8/2014 | |
| SB-89 | en | Main Rotor Blade Modification | 3/30/2015 | |
| SB-90 | en | Revised Instrument Marking | 11/14/2016 | |
| SB-91 | en | Ammeter Circuit Fuse Protection | 11/14/2016 | |
| SB-92 | en | Tail Rotor Drive Shaft Damper Bearing | 11/14/2016 | |
| SB-92 | A | en | Tail Rotor Drive Shaft Damper Bearing | 12/20/2017 |
| SB-93 | en | Horizontal Stabilizer Nutplates | 6/6/2017 | |
| SB-93 | A | en | Horizontal Stabilizer Nutplates | 7/21/2017 |
| SB-94 | en | Actuator Lower Bearing A185 Brackets | 6/8/2017 | |
| SB-95 | en | Main Gearbox Upgrades | 12/20/2017 | |
| SB-96 | en | D602-1 Time Delay Assembly | 10/2/2018 | |
| SB-97 | en | Induction Hose | 4/11/2019 | |
| SB-98 | en | Air/Oil Separator Hose Spring | 4/15/2019 | |
| SB-98 | B | en | Air/Oil Separator Hose Spring | 5/3/2019 |
| SB-99 | en | 24-Volt Battery Electrolyte Leakage | 7/3/2019 | |
| SB-100 | en | R44 II Induction Hose | 7/3/2019 | |
| SB-101 | en | HeliSAS Flight Control Computer | 8/12/2019 | |
| SB-102 | en | Chin Inspection Hole and Access Cover | 10/29/2019 | |
| SB-103 | en | Main Rotor Blade Tip Plate Permanent Removal & Sealant Application | 12/2/2019 | |
| SB-104 | en | Ail/Oil Separator Hose | 3/11/2020 | |
| SB-105 | en | Alternator Filter Installation | 8/21/2020 | |
| SB-106 | en | HeliSAS Autopilot Interface with Garmin PFD | 8/21/2020 | |
| SB-107 | en | Fire Extinguisher Relocation | 6/30/2021 | |
| SB-107 | B | en | Fire Extinguisher Relocation | 7/15/2021 |
| SB-108 | en | C029-3 Tail Rotor Blade Cracks | 6/30/2021 | |
| SB-109 | en | Hydraulic Controls Pre-Takeoff Check | 6/30/2021 | |
| SB-110 | en | C029-3 Tail Rotor Blade Cracks | 1/6/2022 | |
| SB-111 | en | C143-2 Sensor (Engine RPM) Wiring | 2/23/2022 | |
| SB-112 | en | Tail Rotor Blade Inspection & Replacement | 12/22/2022 | |
| SB-112 | A | en | Tail Rotor Blade Inspection & Replacement (Replacement Policy) | 3/26/2024 |
| SB-112 | B | en | Tail Rotor Blade Inspection & Replacement | 6/27/2024 |
| SB-112 | C | en | Tail Rotor Blade Inspection & Replacement | 1/28/2025 |
| SB-113 | en | Actuator Lower Bearing A185 Brackets | 3/16/2023 | |
| SB-114 | en | D270-1 Governor Controller Upgrade | 6/28/2023 | |
| SB-115 | en | Loose Gearmotors on Belt-Tension Actuators | 10/27/2023 | |
| SB-116 | en | Ground Handling Wheel Support Reorientation | 2/19/2024 | |
| SB-117 | en | Statement to Accompany AD 2023-11-07 | 1/27/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SB-01 | en | D333-13 Fitting Lubrication | 4/26/2011 | |
| SB-02 | en | Placards and Markings (KI-208-1C, KI-208-2C) | 10/27/2011 | |
| SB-03 | en | Hydraulic Servos | 2/21/2012 | |
| SB-04 | en | Oil Cooling Fan Inlet Clearance | 5/29/2012 | |
| SB-05 | B | en | Clutch Retaining Bolt | 12/21/2012 |
| SB-06 | en | Fuel Switch Packing | 7/3/2013 | |
| SB-07 | en | Throttle Control Routing | 7/3/2013 | |
| SB-08 | en | Hydraulic Solenoid Diode | 7/3/2013 | |
| SB-09 | en | Rotor RPM Sender Magnets | 7/3/2013 | |
| SB-10 | en | Hanger Bearing Assembly | 11/21/2013 | |
| SB-11 | en | Tail Gearbox Sight Gage | 12/8/2014 | |
| SB-12 | en | Landing Gear Attach Nuts | 12/8/2014 | |
| SB-13 | en | Main Rotor Blade Modification | 3/30/2015 | |
| SB-14 | en | Tail Rotor Drive Shaft Forward Bearing | 6/25/2015 | |
| SB-15 | en | G500H Wire Chafe | 12/15/2015 | |
| SB-16 | en | "LOT 20" F642-1 Shaft Corrosion | 12/15/2015 | |
| SB-17 | en | F642-1 Shaft Replacement | 1/22/2016 | |
| SB-17 | A | en | F642-1 Shaft Replacement | 11/7/2016 |
| SB-18 | en | MRGB Output Yoke Retaining Plug | 6/14/2016 | |
| SB-18 | A | en | MRGB Output Yoke Retaining Plug | 7/20/2016 |
| SB-19 | en | Revised Instrument Markings | 11/7/2016 | |
| SB-20 | en | Tail Rotor Drive Shaft Bearings | 11/7/2016 | |
| SB-20 | A | en | Tail Rotor Drive Shaft Bearings | 6/6/2017 |
| SB-20 | B | en | Tail Rotor Drive Shaft Bearings | 12/20/2017 |
| SB-21 | en | Oil Tank Outlet Modification | 2/24/2017 | |
| SB-21 | A | en | Oil Tank Outlet Modification | 6/6/2017 |
| SB-22 | en | Horizontal Stabilizer Nutplates | 6/6/2017 | |
| SB-22 | A | en | Horizontal Stabilizer Nutplates | 7/21/2017 |
| SB-23 | en | Rod Ends for F174-1 Engine Support Weldment | 6/26/2018 | |
| SB-24 | en | Auxiliary Fuel System Relay | 11/5/2018 | |
| SB-25 | en | G655-3 Air Conditioning Time Delay Assembly | 11/5/2018 | |
| SB-26 | en | B237 Lead-Acid Batteries Leaking Electrolyte | 11/5/2018 | |
| SB-27 | en | Drain Holes for Auxiliary Fuel Tank | 11/5/2018 | |
| SB-28 | en | B237 Lead-Acid Batteries | 3/6/2019 | |
| SB-29 | en | Pop-Out Floats Stabilizer | 3/22/2019 | |
| SB-30 | en | Lubrication of Swashplate Bearings | 7/29/2019 | |
| SB-31 | en | Battery Compartment Stiffener | 7/29/2019 | |
| SB-32 | en | Lithium-Ion Battery Sense Wire | 7/29/2019 | |
| SB-33 | en | Modified Pop-Out Float Stabilizer | 7/29/2019 | |
| SB-34 | en | HeliSAS Flight Control Computer | 8/12/2019 | |
| SB-35 | en | Chin Inspection Hole and Access Cover | 12/2/2019 | |
| SB-35 | A | en | Chin Inspection Hole and Access Cover | 3/11/2020 |
| SB-36 | en | Main Rotor Blade Tip Plate Permanent Removal & Sealant Application | 12/2/2019 | |
| SB-37 | en | HeliSAS Autopilot Interface with Garmin PFD | 8/21/2020 | |
| SB-38 | A | en | F018-1 Clutch Assembly | 10/23/2020 |
| SB-39 | en | Hydraulic Controls Pre-Takeoff Check | 6/30/2021 | |
| SB-40 | en | F029-1 Tail Rotor Blade Cracks | 1/6/2022 | |
| SB-41 | en | Tail Rotor Blade Inspection & Replacement | 12/22/2022 | |
| SB-41 | A | en | Tail Rotor Blade Inspection & Replacement (Replacement Policy) | 3/26/2024 |
| SB-41 | B | en | Tail Rotor Blade Inspection & Replacement | 6/27/2024 |
| SB-41 | C | en | Tail Rotor Blade Inspection & Replacement | 1/28/2025 |
| SB-42 | en | Auxiliary Fuel Flow Censor Circuit | 1/23/2024 | |
| SB-43 | en | Statement to Accompany AD 2023-11-07 | 1/27/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL-1 | en | Cabin Heat Blower Assembly A643 | 7/22/1980 | |
| SL-2 | en | Tail Rotor Control Push-Pull Tube A121-13 | 7/22/1980 | |
| SL-3 | en | Tail Rotor Control Pedals | 7/22/1980 | |
| SL-4 | en | Battery Ground Strap | 7/22/1980 | |
| SL-5 | rev | en | Installation of Nickel Plated Washers in Forward and Intermediate Flexplates | 10/29/1980 |
| SL-6 | en | Inspection of A193-2 Flex Plate | 9/24/1980 | |
| SL-7 | en | Inspection of Long Tail Rotor Drive Shaft | 9/27/1980 | |
| SL-8 | en | Action Required when MR Chip Light Comes On | 10/3/1980 | |
| SL-9 | en | Installation of A214-3 Safety Washers | 7/27/1981 | |
| SL-10 | en | Engine Idle Speed Limitations | 8/11/1981 | |
| SL-11 | en | Loose Upper Cylinder Base Nuts | 8/18/1981 | |
| SL-12 | en | Premature Wear of A190-1 Vee Belts | 8/19/1981 | |
| SL-13 | en | Loose Horizontal Firewall to Steel Tube Frame Attach Bolts | 9/10/1981 | |
| SL-14 | en | Inspection of A197 Tail Rotor Drive Shafts | 9/16/1981 | |
| SL-15 | en | Visual Inspection of Main Rotor Blade Root Area | 9/23/1981 | |
| SL-16 | en | Installation of A911-1 Cabin Heater Scoop | 5/19/1982 | |
| SL-17 | en | Removal of Cabin Heater Muffler Shroud in Warm Weather to Extend Muffler Service Life | 5/17/1982 | |
| SL-18 | en | Installation of Mixture Control | 6/7/1982 | |
| SL-19 | Cor | en | Installation of Guard for Removable Cyclic Stick | 10/18/1982 |
| SL-20 | A | en | Vee Belt Installation | 6/20/1984 |
| SL-21 | A | en | Main Rotor Blade Sealant and Filler Cracking | 5/31/2002 |
| SL-22 | en | Replacement Bearings for Tail Rotor Teeter Hinge and Severe Hazard when Using Any Non-Approved Bearings | 2/17/1984 | |
| SL-23 | A | en | Special Caution when Installing Vee Belts or Other Driveline Components | 6/20/1984 |
| SL-24 | en | Removal of Clutch Yokes Before Shipment | 11/6/1984 | |
| SL-25 | en | Modification of A437 Jackshaft Brace Tab | 1/15/1985 | |
| SL-26 | en | Battery Terminal Misalignment | 4/15/1986 | |
| SL-28 | en | Avco Lycoming Service Bulletin No. 477 | 12/17/1986 | |
| SL-29 | en | Proper Use of Starter Switch to Avoid Breaking Starter | 9/14/1987 | |
| SL-30 | en | Magneto Switch Wiring | 11/16/1987 | |
| SL-31 | en | A184-1 Clutch Bearing | 4/12/1988 | |
| SL-32 | en | Overrunning Sprag Clutch Bearings | 11/7/1988 | |
| SL-33 | en | Aeroquip Bulletin No. 001 | 5/18/1989 | |
| SL-34 | en | Excessive Oil Leakage from Tail Rotor Gear Box Breather Tube | 9/15/1989 | |
| SL-35 | en | Alignment of Vee Belt Sheaves | 6/6/1990 | |
| SL-36 | en | Alignment of Fan Shaft Bearing Housing | 10/5/1990 | |
| SL-37 | en | Precision Airmotive Service Bulletins MSA-1 and MSA-2 | 10/31/1990 | |
| SL-38 | en | Black and White Paint Scheme for Tail Rotor Blades | 3/22/1991 | |
| SL-39 | en | Installation of New A190-2 Vee Belts | 4/19/1991 | |
| SL-40 | en | Tail Rotor Visual Warning Guard and Danger Decals | 8/28/1991 | |
| SL-41 | en | False Low RPM Warning Occurring During Radio Transmissions | 3/13/1992 | |
| SL-42 | en | Replacement of Inlet Ducts | 6/18/1992 | |
| SL-43 | en | Additional Caution Decal for Baggage Compartments | 10/8/1992 | |
| SL-45 | en | Tail Rotor Gearbox Shaft Keys - Terminating Action for AD 94-17-07 | 9/23/1994 | |
| SL-46 | en | Main Rotor and Tail Rotor Gearbox Chip Detectors | 9/23/1994 | |
| SL-47 | en | "GOV OFF" (Governor Off) Caution Light | 4/10/1996 | |
| SL-48 | en | A184 Upper Clutch Actuator Bearing | 3/4/1997 | |
| SL-50 | en | Mixture Control Cable Clamp | 10/2/1998 | |
| SL-52 | en | Master Battery Relay Upgrade | 8/1/2001 | |
| SL-53 | en | Visual Inspection of Main Rotor Blade Root Area | 11/21/2001 | |
| SL-54 | en | Revised Main Rotor Blade Retirement Life | 3/25/2004 | |
| SL-54 | rev | en | Revised Main Rotor Blade Retirement Life | 6/17/2004 |
| SL-55 | en | Main Rotor Blade Inspection | 6/1/2006 | |
| SL-56 (Addendum) |
A | en | A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance | 5/25/2007 |
| SL-56 | A | en | A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance | 3/29/2007 |
| SL-56 | B | en | A016-4, C016-2, and C016-5 Main Rotor Blade Bond Maintenance | 4/30/2010 |
| SL-57 | en | Alternator V-Belts | 2/22/2008 | |
| SL-58 | en | Cracked MS21042L-Series Nuts | 8/18/2011 | |
| SL-59 | en | MRGB Oil Level Fluctuation | 9/7/2011 | |
| SL-60 | en | Kannad ELT Service Bulletin | 7/19/2012 | |
| SL-61 | en | Deleted Safety Wire | 7/3/2013 | |
| SL-62 | en | Cleanable Air Filters | 7/3/2013 | |
| SL-63 | en | A016-6 Main Rotor Blades | 9/10/2014 | |
| SL-64 | en | D210 Corrosion-Resistant (CRES) Nuts | 10/13/2014 | |
| SL-64 | A | en | D210 Corrosion-Resistant (CRES) Nuts | 4/18/2024 |
| SL-65 | en | B526 (TORX Plus) Truss Head Screws | 10/13/2014 | |
| SL-65 | A | en | B526 (TORX Plus) Truss Head Screws | 11/7/2016 |
| SL-66 | en | Full Throttle Caution Light Kit | 12/8/2014 | |
| SL-67 | en | Collective-Activated Hourmeter | 4/4/2016 | |
| SL-68 | en | A158-3 Spindles | 4/4/2016 | |
| SL-69 | en | Altimeters | 4/4/2016 | |
| SL-70 | en | Main Rotor Blade Tip Fasteners | 11/7/2016 | |
| SL-71 | en | Avionics Software | 11/7/2016 | |
| SL-71 | A | en | Avionics Software | 12/20/2017 |
| SL-72 | en | New A020-90 & A047-6 Upper Frame Installation | 11/21/2016 | |
| SL-73 | en | High CHT Indication | 6/6/2017 | |
| SL-74 | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 7/21/2017 | |
| SL-74 | A | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 12/20/2017 |
| SL-74 | B | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 3/16/2023 |
| SL-75 | en | Governor Troubleshooting/Magneto Maintenance | 7/21/2017 | |
| SL-76 | A | en | Lycoming Engine Connecting Rod Small-End Bushings | 7/27/2017 |
| SL-77 | en | Fire Extinguisher Handling and Maintenance | 7/27/2017 | |
| SL-77 | A | en | Fire Extinguisher Handling and Maintenance | 12/20/2017 |
| SL-78 | en | A190-2 Drive Belts | 12/20/2017 | |
| SL-79 | en | Unauthorized Repairs on Main Rotor Blades in Brazil | 6/8/2018 | |
| SL-80 | en | Gearbox Chip Detector Maintenance | 6/8/2018 | |
| SL-81 | en | Component Maintenance Course | 6/25/2018 | |
| SL-81 | B | en | Component Maintenance Course | 3/16/2023 |
| SL-81 | C | en | Component Maintenance Course | 4/28/2023 |
| SL-81 | D | en | Component Maintenance Course | 6/12/2025 |
| SL-82 | A | en | Main Rotor Blade Tip Plate Permanent Removal | 6/29/2018 |
| SL-82 | B | en | Main Rotor Blade Tip Plate Permanent Removal | 7/29/2019 |
| SL-83 | en | Main Rotor Blade Tip Maintenance | 7/29/2019 | |
| SL-84 | en | A258-5 Pitch Link Assembly | 12/2/2019 | |
| SL-85 | en | Kannad ELT Service Bulletin | 3/11/2020 | |
| SL-86 | en | Inspection After Stabilizer Damage | 3/11/2020 | |
| SL-87 | en | Main and Tail Gearbox Oil | 8/21/2020 | |
| SL-88 | en | A792-5 Dual Tachometer | 3/11/2020 | |
| SL-88 | A | en | A792-5 Dual Tachometer | 5/21/2021 |
| SL-88 | B | en | A792-5 Dual Tachometer | 7/7/2021 |
| SL-89 | A | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 6/18/2020 |
| SL-89 | B | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 3/24/2023 |
| SL-89 | D | en | RHC Technical Publications - Digital Distribution | 12/12/2025 |
| SL-90 | en | A017-2 Revision AN Swashplate Assembly Shimming Procedures & Parts | 6/30/2021 | |
| SL-91 | en | A462-4 Fitting Attachments | 6/30/2021 | |
| SL-92 | en | ELT Security | 6/30/2021 | |
| SL-93 | en | Tail Rotor Blade Condition & Care | 6/30/2021 | |
| SL-93 | A | en | Tail Rotor Blade Condition & Care | 6/3/2022 |
| SL-94 | en | Engine RPM Sensor Preventive Maintenance | 7/22/2022 | |
| SL-95 | en | Lycoming Carbureted Engine Intake Valve Rotator Caps | 10/12/2022 | |
| SL-96 | en | Tail Rotor Static Balance Equivalent Tool | 3/16/2023 | |
| SL-97 | en | Cockpit Camera Firmware (Software) Update | 6/23/2023 | |
| SL-98 | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 5/28/2024 | |
| SL-98 | A | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 9/12/2024 |
| SL-98 | C | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 7/14/2025 |
| SL-99 | en | P/N A257-25 Lubricant Useage | 8/1/2025 | |
| SL-100 | en | Main Rotor Blade Bearing Replacement | 9/16/2025 | |
| SL-101 | en | Halotron BrX Fire Extinguisher Conversion Kit | 9/30/2025 | |
| SL-102 | en | Main Rotor Blade Leading Edge Refinishing | 10/9/2025 | |
| SL-103 | en | B330 Stamped Nuts ("Palnuts") Breakage | 12/16/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL-1 | en | Adjustment of Main Rotor Spindle Boot and Fluid Level | 5/24/1994 | |
| SL-2 | en | Air Intake Hose Chafing Frame | 6/30/1994 | |
| SL-3 | en | Cyclic "Shot Bag" Damper | 7/28/1994 | |
| SL-4 | en | Engine Breather Coupling | 9/7/1994 | |
| SL-6 | en | Autorotation RPM Adjustment | 5/5/1995 | |
| SL-7 | en | Cyclic Friction | 12/26/1995 | |
| SL-8 | en | Cyclic Trim Elastic Cord | 12/26/1995 | |
| SL-9 | A | en | Cyclic Trim System | 5/2/1996 |
| SL-10 | en | C439-7 Guide Assembly | 8/2/1996 | |
| SL-11 | en | Replacement of A185-2 and -5 Brackets | 10/25/1996 | |
| SL-12 | en | Upgraded Battery with Battery Cooling | 10/24/1996 | |
| SL-13 | en | Lateral Cyclic Trim Assembly Spring Shaft Wear | 10/24/1996 | |
| SL-14 | en | Carburetor Modification | 5/30/1997 | |
| SL-15 | A | en | Mixture Control Cable Clamp | 10/6/1998 |
| SL-17 | en | Collective Spring and Support | 9/8/1998 | |
| SL-19 | en | Oil Cooler | 9/16/1999 | |
| SL-20 | en | Pitot Line Contact with Push-Pull Tube | 1/17/2000 | |
| SL-21 | en | Stuck Exhaust Valves in Engine | 1/17/2000 | |
| SL-22 | en | Belt Tension Actuator Troubleshooting | 2/10/2000 | |
| SL-23 | en | Master Battery Relay Upgrade | 8/1/2001 | |
| SL-25 | en | Hydraulic Reservoir Vent | 6/10/2002 | |
| SL-26 | en | Low RPM Warning Horn | 11/24/2003 | |
| SL-27 | en | Oblique Tailpipe Exit | 10/15/2004 | |
| SL-28 | en | D040-1 Aft Cowling Assembly | 10/15/2004 | |
| SL-29 | en | Four Point Front Seat Harness | 10/15/2004 | |
| SL-30 | en | Crankshaft Replacement | 7/20/2005 | |
| SL-31 | en | Main Rotor Blade Inspection | 6/1/2006 | |
| SL-32 (Addendum) |
A | en | A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance | 5/25/2007 |
| SL-32 | A | en | A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance | 3/29/2007 |
| SL-32 | B | en | A016-4, C016-2 and C016-5 Main Rotor Blade Bond Maintenance | 4/30/2010 |
| SL-33 | en | Additional Inspection Criteria for Sprag Clutches | 12/19/2007 | |
| SL-34 | en | Alternator V-Belts | 2/22/2008 | |
| SL-35 | en | Servo Plugs | 3/18/2008 | |
| SL-35 | A | en | Servo Plugs | 3/25/2009 |
| SL-36 | en | Bladder Fuel Tank Factory Modification | 12/17/2009 | |
| SL-37 | en | C016-7 Main Rotor Blade Installation Requirements | 6/18/2010 | |
| SL-37 | A | en | C016-7 Main Rotor Blade Installation Requirements | 9/10/2014 |
| SL-37 | B | en | C016-7 Main Rotor Blade Installation Requirements | 10/29/2019 |
| SL-37 | C | en | C016-7 Main Rotor Blade Installation Requirements | 3/5/2020 |
| SL-38 | en | Cracked MS21042L-Series Nuts | 8/18/2011 | |
| SL-39 | en | Fuel Servo Diaphragms | 8/18/2011 | |
| SL-40 | en | MRGB Oil Level Fluctuation | 9/7/2011 | |
| SL-41 | en | Ground Handling Wheels and Wheel Supports | 9/7/2011 | |
| SL-42 | en | R44 II Starting Circuit Time-Delay | 5/30/2012 | |
| SL-43 | en | C343-1 Push-Pull Tube Assembly | 5/30/2012 | |
| SL-44 | en | Kannad ELT Service Bulletin | 7/19/2012 | |
| SL-45 | en | Deleted Safety Wire | 7/3/2013 | |
| SL-46 | en | Cleanable Air Filters | 7/3/2013 | |
| SL-47 | en | Magneto Tachometer Points Wires | 8/1/2014 | |
| SL-48 | en | Precision Airmotive Service Bulletin PRS-109 | 8/1/2014 | |
| SL-49 | en | C016-7 Main Rotor Blades | 9/10/2014 | |
| SL-50 | en | D210 Corrosion-Resistant (CRES) Nuts | 10/13/2014 | |
| SL-50 | A | en | D210 Corrosion-Resistant (CRES) Nuts | 4/18/2024 |
| SL-51 | en | B526 (TORX Plus) Truss Head Screws | 10/13/2014 | |
| SL-51 | A | en | B526 (TORX Plus) Truss Head Screws | 11/7/2016 |
| SL-52 | en | Full Throttle Caution Light Kit | 12/8/2014 | |
| SL-53 | en | Altimeters | 4/4/2016 | |
| SL-54 | en | Inhibited Glideslope Reception | 6/14/2016 | |
| SL-55 | en | Main Rotor Blade Tip Fasteners | 11/7/2016 | |
| SL-56 | en | Genesys Aerosystems (Autopilot) Service Letter | 11/7/2016 | |
| SL-57 | en | Avionics Software | 11/7/2016 | |
| SL-57 | A | en | Avionics Software | 12/20/2017 |
| SL-58 | en | C258-5 Pitch Link Assembly | 1/30/2017 | |
| SL-59 | en | High CHT Indication | 6/6/2017 | |
| SL-60 | en | Revised Instrument Marking Metric Decals | 6/6/2017 | |
| SL-61 | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 7/21/2017 | |
| SL-61 | A | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 12/20/2017 |
| SL-61 | B | en | Riveted A185 Brackets Installation & Fiberglass Scroll Repair | 3/16/2023 |
| SL-62 | en | Governor Troubleshooting/Magneto Maintenance | 7/21/2017 | |
| SL-63 | A | en | Lycoming Engine Connecting Rod Small-End Bushings | 7/27/2017 |
| SL-64 | en | Fire Extinguisher Handling and Maintenance | 7/27/2017 | |
| SL-64 | A | en | Fire Extinguisher Handling and Maintenance | 12/20/2017 |
| SL-65 | en | Unauthorized Repairs on Main Rotor Blades in Brazil | 6/8/2018 | |
| SL-66 | en | Gearbox Chip Detector Maintenance | 6/8/2018 | |
| SL-67 | en | Component Maintenance Course | 6/25/2018 | |
| SL-67 | B | en | Component Maintenance Course | 3/16/2023 |
| SL-67 | C | en | Component Maintenance Course | 4/28/2023 |
| SL-67 | D | en | Component Maintenance Course | 6/12/2025 |
| SL-68 | A | en | Main Rotor Blade Tip Plate Permanent Removal | 6/29/2018 |
| SL-68 | B | en | Main Rotor Blade Tip Plate Permanent Removal | 7/29/2019 |
| SL-69 | en | C627-6 Five-Point Harness Assembly Lower Strap | 3/22/2019 | |
| SL-70 | en | Main Rotor Blade Tip Maintenance | 7/29/2019 | |
| SL-71 | en | Kannad ELT Service Bulletin | 3/11/2020 | |
| SL-72 | en | Inspection After Stabilizer Damage | 3/11/2020 | |
| SL-73 | en | Main and Tail Gearbox Oil | 8/21/2020 | |
| SL-74 | A | en | C792-5 Dual Tachometer | 3/12/2020 |
| SL-74 | B | en | C792-5 Dual Tachometer | 5/21/2021 |
| SL-74 | C | en | C792-5 Dual Tachometer | 7/7/2021 |
| SL-75 | A | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 6/18/2020 |
| SL-75 | B | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 3/24/2023 |
| SL-75 | D | en | RHC Technical Publications - Digital Distribution | 12/12/2025 |
| SL-76 | en | C017-4 Swashplate Assembly Square Parts, and C017-6 Revision "AA", "AB" & "AC" Swashplate Assembly Spare Parts | 11/11/2020 | |
| SL-76 | A | en | C017-4 Swashplate Assembly Square Parts, and C017-6 Revision "AA", "AB" & "AC" Swashplate Assembly Spare Parts | 6/30/2021 |
| SL-77 | en | Clutch Actuator Gearmotor Wiring | 11/11/2020 | |
| SL-78 | en | Field Service Data for Intake Valves | 11/11/2020 | |
| SL-79 | en | Main Rotor Blade Unpainted Leading Edge Care | 11/13/2020 | |
| SL-80 | en | A462-4 Fitting Attachments | 6/30/2021 | |
| SL-81 | en | ELT Security | 6/30/2021 | |
| SL-82 | en | Tail Rotor Blade Condition & Care | 6/30/2021 | |
| SL-82 | A | en | Tail Rotor Blade Condition & Care | 6/3/2022 |
| SL-84 | en | Lycoming Carbureted Engine Intake Valve Rotator Caps | 10/12/2022 | |
| SL-85 | en | Tail Rotor Static Balance Equivalent Tool | 3/16/2023 | |
| SL-86 | en | Engine RPM Sensor Preventive Maintenance | 7/22/2022 | |
| SL-87 | en | Cockpit Camera Firmware (Software) Update | 6/23/2023 | |
| SL-88 | A | en | Lycoming Electronic Ignition System (EIS) Reduced Service Life | 1/25/2024 |
| SL-89 | A | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 2/21/2024 |
| SL-89 | B | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 3/18/2024 |
| SL-89 | C | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 8/29/2024 |
| SL-89 | D | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 12/20/2024 |
| SL-89 | E | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 6/25/2025 |
| SL-89 | F | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 9/30/2025 |
| SL-90 | en | Battery Preventive Maintenance | 4/18/2024 | |
| SL-92 | A | en | Main Rotor Flight Controls Inspections | 6/27/2025 |
| SL-93 | en | Halotron BrX Fire Extinguisher Conversion Kit | 9/30/2025 | |
| SL-94 | en | Main Rotor Blade Leading Edge Refinishing | 10/9/2025 | |
| SL-95 | en | C258-8 Pitch Link Assembly | 10/9/2025 | |
| SL-96 | en | B330 Stamped Nuts ("Palnuts") Breakage | 12/16/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL-01 | en | Cracked MS21042L-Series Nuts | 8/18/2011 | |
| SL-02 | en | Baggage Door Seals Kit (KI-207B) | 9/7/2011 | |
| SL-03 | A | en | Clutch Assembly Retaining Bolt Replacement | 9/30/2011 |
| SL-04 | en | Center Rear Seat Decal | 5/29/2012 | |
| SL-05 | en | Kannad ELT Service Bulletin | 7/19/2012 | |
| SL-06 | en | Damper Assembly | 12/21/2012 | |
| SL-07 | en | Deleted Safety Wire | 7/3/2013 | |
| SL-08 | en | EASA Registration Requirements | 5/9/2014 | |
| SL-09 | en | D210 Corrosion-Resistant (CRES) Nuts | 10/13/2014 | |
| SL-09 | A | en | D210 Corrosion-Resistant (CRES) Nuts | 4/18/2024 |
| SL-10 | en | B526 (TORX Plus) Truss Head Screws | 10/13/2014 | |
| SL-10 | A | en | B526 (TORX Plus) Truss Head Screws | 11/7/2016 |
| SL-11 | en | Main Gearbox Upgrade | 9/15/2015 | |
| SL-11 (Addendum) |
en | Main Gearbox Upgrade | 9/18/2015 | |
| SL-12 | en | Altimeters | 4/4/2016 | |
| SL-13 | en | Inhibited Glideslope Reception | 6/14/2016 | |
| SL-14 | en | Heater Line Spirap Insulation | 6/14/2016 | |
| SL-15 | en | Main Rotor Blade Tip Fasteners | 11/7/2016 | |
| SL-16 | en | Garmin G500H EFIS Air Temperature Probe Relocation | 11/7/2016 | |
| SL-17 | en | Genesys Aerosystems (Autopilot) Service Letter | 11/7/2016 | |
| SL-18 | en | PTG Beep Range | 11/7/2016 | |
| SL-19 | en | Avionics Software | 11/7/2016 | |
| SL-19 | A | en | Avionics Software | 12/20/2017 |
| SL-20 | en | C258-5 Pitch Link Assembly | 1/30/2017 | |
| SL-21 | en | Revised Instrument Marking Metric Decals | 6/6/2017 | |
| SL-22 | en | R66 Marine Skid Extension Kit | 7/21/2017 | |
| SL-23 | en | Fire Extinguisher Handling and Maintenance | 7/27/2017 | |
| SL-23 | A | en | Fire Extinguisher Handling and Maintenance | 12/20/2017 |
| SL-24 | en | F642 Shaft (Engine-to-Main Gearbox) Upgrade | 12/20/2017 | |
| SL-25 | en | Component Maintenance Course | 6/25/2018 | |
| SL-25 | B | en | Component Maintenance Course | 3/16/2023 |
| SL-25 | C | en | Component Maintenance Course | 4/28/2023 |
| SL-25 | D | en | Component Maintenance Course | 6/12/2025 |
| SL-26 | A | en | Main Rotor Blade Tip Plate Permanent Removal | 6/29/2018 |
| SL-26 | B | en | Main Rotor Blade Tip Plate Permanent Removal | 7/29/2019 |
| SL-27 | en | Lithium-Ion Main Battery Transient Voltage Drop | 11/5/2018 | |
| SL-28 | en | Main Rotor Gearbox Internal Visual Inspection | 11/5/2018 | |
| SL-29 | en | C627-6 Five-Point Harness Assembly Lower Strap | 3/22/2019 | |
| SL-30 | en | Main Rotor Blade Tip Maintenance | 7/29/2019 | |
| SL-31 | en | RR300 Engine Corrosion Prevention | 12/2/2019 | |
| SL-32 | en | Kannad ELT Service Bulletin | 3/11/2020 | |
| SL-33 | en | Inspection After Stabilizer Damage | 3/11/2020 | |
| SL-34 | en | Engine Harness N1 Connector | 3/11/2020 | |
| SL-34 | A | en | Engine Harness N1 Connector | 8/21/2020 |
| SL-35 | A | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 6/18/2020 |
| SL-35 | B | en | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 3/24/2023 |
| SL-35 | D | en | RHC Technical Publications - Digital Distribution | 12/12/2025 |
| SL-36 | en | Firewall Drain Tube | 8/21/2020 | |
| SL-37 | en | Main Rotor Blade Unpainted Leading Edge Care | 11/13/2020 | |
| SL-38 | en | A462-4 Fitting Attachments | 6/30/2021 | |
| SL-39 | en | ELT Security | 6/30/2021 | |
| SL-40 | en | Tail Rotor Blade Condition & Care | 6/30/2021 | |
| SL-40 | A | en | Tail Rotor Blade Condition & Care | 6/3/2022 |
| SL-41 | en | Erratic N1 Indication/EMU Recordings | 6/30/2021 | |
| SL-42 | en | Rolls-Royce RR300 Engine 2000-Hour Preventative Maintenance Interval (PMI) Options | 6/30/2021 | |
| SL-43 | en | Tail Rotor Static Balance Equivalent Tool | 3/16/2023 | |
| SL-44 | en | Cockpit Camera Firmware (Software) Update | 6/23/2023 | |
| SL-45 | B | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 2/21/2024 |
| SL-45 | C | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 3/18/2024 |
| SL-45 | D | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 8/29/2024 |
| SL-45 | E | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 10/30/2024 |
| SL-45 | F | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 12/20/2024 |
| SL-45 | G | en | Symmetrical Horizontal Stabilizer Retrofit Kit | 1/27/2025 |
| SL-46 | en | N1 Sensor Harness Assembly | 4/17/2024 | |
| SL-48 | en | Revised Airworthiness Limitations with Rotor Blade Calendar Life Extension | 9/5/2024 | |
| SL-49 | en | Battery Preventive Maintenance | 4/18/2024 | |
| SL-51 | A | en | Main Rotor Flight Controls Inspections | 6/27/2025 |
| SL-52 | en | Halotron BrX Fire Extinguisher Conversion Kit | 9/30/2025 | |
| SL-53 | en | Main Rotor Blade Leading Edge Refinishing | 10/9/2025 | |
| SL-54 | en | C258-8 Pitch Link Assembly | 10/9/2025 | |
| SL-55 | en | B330 Stamped Nuts ("Palnuts") Breakage | 12/16/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| TG | en | R22 & R44: Engine Monitoring Unit (EMU) | 10/9/2020 | |
| TG | en | R22 & R44: Engine Monitoring Unit (EMU) | 7/12/2023 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| QSG | en | Cockpit Camera | 3/17/2021 | |
| UG | en | Cockpit Camera | 3/17/2021 | |
| UG | en | Cockpit Camera | 4/7/2022 | |
| UG | en | Cockpit Camera | 6/17/2021 | |
| UG | en | Cockpit Camera | 12/23/2020 | |
| UG | en | Cockpit Camera | 6/27/2023 | |
| UG | en | R22 & R44: Engine Monitoring Unit (EMU) | 10/2/2020 | |
| UG | en | Cockpit Camera | 11/10/2021 | |
| UG | en | Cockpit Camera | 9/28/2021 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Brochure | en | R66 Turbine & Turbine Marine | 11/30/2016 | |
| Brochure | en | R66 Turbine Police Helicopter | 1/31/2017 | |
| Brochure | en | R66 Newscopter | 1/31/2017 | |
| Brochure | en | R44 Raven II Police Helicopter | 6/30/2016 | |
| Brochure | en | R44 Raven II & Clipper II | 11/30/2016 | |
| Brochure | en | Electric Tow Cart | ||
| Brochure | en | Helipads | ||
| Brochure | en | R22 Beta II | 11/30/2016 | |
| Brochure | en | R44 Raven I & Clipper I | 11/30/2016 | |
| Brochure | en | R44 Cadet & Cadet with Floats | 11/30/2016 | |
| N/A | en | Maintenance Record Appendix for AD 2011-12-10 | ||
| N/A | en | Additional Information Regarding Main Rotor Blade Skin Debonding | 5/25/2007 | |
| N/A | en | Requirements for Pilots Ferrying Helicopters | 5/8/2006 | |
| N/A | en | Programming Data Sheet | 4/3/2007 | |
| N/A | en | Maintenance Record Appendix for AD 2014-23-16 |