ROBINSON HELICOPTER
Safety Notices, Service Bulletins, and Service Letters
 

       

 

Downloadable Forms
Publication Status
Safety Alerts,
Safety Notices, Service Bulletins & Service Letters
  Complete SB Index
  Complete SL Listing
ELT Information and Programming
   
   
   
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Revised: 18 Mar 2008

Safety Alerts
 

07 Jun 2007

22 Mar 2007

04 Jan 2007

20 Dec 2004

01 Dec 2004

Avoid Flying Out of Trim

Main Rotor Blade Skin Debonding

Main Rotor Blade Skin Debonding

Exceeding Power Limits Can Be Fatal

Exceeding Manifold Pressure Limits

Safety Notices
 

SN-40

   Addendum

SN-39
SN-38

SN-37

SN-36

SN-35

SN-34

SN-33

SN-32

SN-31

SN-30

SN-29

SN-28

SN-27

SN-26

SN-25

SN-24

SN-23

SN-22

SN-21

SN-20

SN-19

SN-18

SN-17

SN-16

SN-15

SN-14

SN-13

SN-12

SN-11

SN-10

SN-9

SN-2 – 8

SN-1

Jul 2006

Jul 2006

Jul 2003

Oct 2004
Dec 2001

Nov 2000

Apr 1999

Mar 1999

Mar 1998

Mar 1998

Dec 1996

Jun 1994

Jun 1994

Jun 1994

Jun 1994

Jun 1994

Nov 1999

Jun 1994

Jun 1994

Jun 1994

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Jun 1994

Jun 1994

Jun 1994

Jun 1994

Jun 1994

Jun 1994

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Jun 1994

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Nov 2000

Jun 1994

Jun 1994

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Jun 1994

Postcrash Fires

Suppliers of Fire-Retardant Flight Suits

Unusual Vibrations

Practice Autorotations Cause Training Accidents
Exceeding Operating Limits

Overspeeds During Liftoff

Flying Near Broadcast Towers

Photo Flights - Very High Risk

Vee-Belts Turning Rotor During Engine Start-Up

High Winds or Turbulence

Governor Can Mask Carb Ice

Loose Objects Can Be Fatal

Airplane Pilots High Risk When Flying Helicopters

Listen For Impending Bearing Failure

Surprise Throttle Chops Can Be Deadly

Night Flight Plus Bad Weather Can Be Deadly

Carburetor Ice

Low RPM Rotor Stall Can Be Fatal

Walking Into Tail Rotor Can Be Fatal

Always Reduce Rate-of-Descent Before Reducing Airspeed

Deleted

Beware of Demonstration or Initial Training Flights

Flying Low Over Water is Very Hazardous

Loss of Visibility Can Be Fatal

Never Exit Helicopter With Engine Running

Power Lines Are Deadly

Fuel Exhaustion Can Be Fatal

Superseded By SN-17, SN-27 and SN-28

Do Not Attach Items to the Skids

Superseded By SN-24

Low-G Pushovers - Extremely Dangerous

Fatal Accidents Caused By Low RPM Rotor Stall

Many Accidents Involve Dynamic Rollover

Superceded or Deleted

Inadvertent Actuation of Mixture Control in Flight

       

R22 Service Bulletins
  SB-98
SB-97
SB-96
SB-95

SB-94
SB-93
SB-92
SB-91
SB-90A
SB-84
SB-83
SB-78A
22 Feb 2008
22 Feb 2008
29 Mar  2007

26 Jan 2005
14 Dec 2004
27 May 2004
3 Nov 2003
3 Nov 2003
10 Jun 2002
8 Sep 1998
4 Mar 1997
27 May 2004
Removable Collective Spring Pin
Pedal Support Safety Tabs

Main Rotor Blade Erosion

Lower Actuator Bearing Assembly
Main Rotor Blade Replacement
Comm Antenna
Tail Rotor Pedal Clip
Jackshaft Brace
TR Pitch Control
Fuel Tank Vent
Fuel Tank Vent
Main Rotor Stop
  Service Letters
 

SL-57

SL-56

  Addendum

 

SL-55

SL-54
SL-53
SL-21A

22 Feb 2008

29 Mar 2007

25 May 2007

 

1 Jun 2006

5 Mar 2004
21 Nov 2001
31 May 2002

Alternator V-Belts

Main Rotor Blade Skin-to-Spar Bond Line Refinishing

Additional Information Regarding Main Rotor Blade Skin Debonding

Main Rotor Blade Inspection

Main Rotor Retirement
Inspection of Main Rotor Root
Main Rotor Sealant


R44 Service Bulletins
  SB-66 18 Mar 2008 D202-2 Bracket Replacement
  SB-65 22 Feb 2008 Air Conditioning Duct Wiring
  SB-64 22 Feb 2008 Removable Collective Spring Pin
  SB-63 22 Feb 2008 Pedal Support Safety Tabs
  SB-62 19 Dec 2007 R44 II Throttle Linkage
  SB-61 29 Mar 2007 Main Rotor Blade Erosion
  SB-60 15 Sep 2006 C771-1 Air Filters w/ Orange Rubber
  SB-59 10 Aug 2006 C046-18 Frame Tube Clamp
 

KI-185

10 Aug 2006 Frame Tube Clamp Installation Kit
  SB-58A 01 Sep 2006 R44 II Throttle Link
  SB-57 29 Mar 2006 KI-176 R44 Tailpipe Extension Kit
  SB-56 29 Mar 2006 Seat Belt Buckle Assemblies
  SB-55 20 Jul 2005 R44 II Fuel Control Reorientation
 

KI-178

14 Sep 2006 Fuel Control Reorientation Kit
  SB-54 25 Apr 2005 Service Bulletin SB-54 Superseded by SB-55
  SB-53 27 May 2004 Frame Tube
  SB-52 27 May 2004 Comm Antenna
  SB-51 24 Nov 2003 NAS6605-31 Bolts
  SB-50 11 Sep 2003 Oil Line Clamp
  SB-49 11 Sep 2003 Engine Alternate Air Intake
  SB-48 11 Sep 2003 Fuel Control Safety Wire
  SB-47 20 Jun 2003 Fuel Control Inlet Fitting
  SB-43A 10 Jun 2002 Tail Rotor Pitch Control Bearings
  SB-42 15 Oct 2004 Cancelled
       
  Service Letters
  SL-35 18 Mar 2008 Servo Plugs
  SL-34 22 Feb 2008 Alternator V-Belts
  SL-33 19 Dec 2007 Additional Inspection Criteria for Sprag Clutches
  SL-32 29 Mar 2007 Main Rotor Blade Bond Inspection and Maintenance
     Addendum 25 May 2007 Additional Information Regarding Main Rotor Blade Skin Debonding
  SL-31 1 Jun 2006 Main Rotor Blade Inspection
  SL-30 20 Jul 2005 Crankshaft Replacement
  SL-29 15 Oct 2004 Optional Four-Point Front-seat Harness
  SL-28 15 Oct 2004 D040-1 AFT Cowling Assembly
  SL-27 15 Oct 2004 Tailpipe Extension
  SL-26 24 Nov 2003 Low RPM Warning Horn
  SL-25 10 Jun 2002 Hydraulic Reservoir Vent