Originally Posted by
MountainWest
What is heartbreaking all the way around is the mode of failure. One moment all is fine, and the next the speed is unknown/unavailable/kaput. There was no opportunity to take note of the situation immediately prior to failure. Had the PF had his eye on speed at the time of pitot icing, he would have known the stall warning was spurius. Is that true?
This is what occured for the Air Caraïbe case.