"Why Robinson helicopters seem to have a bad habit of crashing"

[Two's in]

With the odd exception, relating to the specific operation of a low-inertia piston single rotary type, I would hope to Christ any helicopter pilot is more than familiar with most of these "Safety Notices" before they ever consider committing serious aviation. These are Airmanship 101, not Safety Notices.

Originally Posted by SASless

I found this at the Robinson Web Site and found the List of Contents rather interesting.

... SAFETY
NOTICE TITLE

SN-1 Inadvertent Actuation of Mixture Control in Flight

1. SN-9 Many Accidents Involve Dynamic Rollover
2. SN-10 Fatal Accidents Caused by Low RPM Rotor Stall
3. SN-11 Low-G Pushovers - Extremely Dangerous

SN-13 Do Not Attach Items to the Skids

1. SN-15 Fuel Exhaustion Can Be Fatal
2. SN-16 Power Lines Are Deadly
3. SN-17 Never Exit Helicopter with Engine Running
   
   Hold Controls When Boarding Passengers
   
   Never Land in Tall Dry Grass
4. SN-18 Loss of Visibility Can Be Fatal
   
   Overconfidence Prevails in Accidents
5. SN-19 Flying Low Over Water is Very Hazardous
6. SN-20 Beware of Demonstration or Initial Training Flights

1. SN-22 Vortex Ring State Catches Many Pilots By Surprise
2. SN-23 Walking into Tail Rotor Can Be Fatal
3. SN-24 Low RPM Rotor Stall Can Be Fatal
4. SN-25 Carburetor Ice
5. SN-26 Night Flight Plus Bad Weather Can Be Deadly
6. SN-27 Surprise Throttle Chops Can Be Deadly
7. SN-28 Listen for Impending Bearing Failure
   
   Clutch Light Warning
8. SN-29 Airplane Pilots High Risk When Flying Helicopters
9. SN-30 Loose Objects Can Be Fatal
10. SN-31 Governor Can Mask Carb Ice
11. SN-32 High Winds or Turbulence
12. SN-33 Drive Belt Slack
13. SN-34 Aerial Survey and Photo Flights - Very High Risk
14. SN-35 Flying Near Broadcast Towers
15. SN-36 Overspeeds During Liftoff
16. SN-37 Exceeding Approved Limitations Can Be Fatal
17. SN-38 Practice Autorotations Cause Many Training Accidents
18. SN-39 Unusual Vibration Can Indicate a Main Rotor Blade Crack
19. SN-40 Post-Crash Fires
20. SN-41 Pilot Distractions
21. SN-42 Unanticipated Yaw
22. SN-43 Use Extra Caution During Post-Maintenance Flights
23. SN-44 Carrying Passengers

REVISED: 7 MAY 2018 10-6

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