Nick,
You left out all of the Sikorksy problems. The going joke on the UH-60 and S-76 was that they had the most advanced rotors in the world because they could routinely convert from four bladed to three bladed in flight.
How many died in the 60 and 76 because of this problem?
How many have died in the EH-101 because of tail rotor cracks?
The Sultan