While looking up something for another thread, I found some attention-getters in my Robinson R-22 POH:
Power lines are deadly. (But people still fly into them.)
NIGHT FLIGHT PLUS WEATHER IS DEADLY (Yes, many crashes are weather related and happen at night.)
WALKING INTO TAIL ROTOR CAN BE FATAL (Really?)
But my favourite one has always been:
LOW ROTOR RPM STALL CAN BE FATAL
After a few paragraphs describing what the situation is and the aerodynamics behind it, we read:
[emphasis mine] Ya gotta love an “owner’s manual” that uses the word “doomed”.