I am safe, if fact I wear goggles when I do do it and am underneath the heli except for the split second it takes to see which blade it higher. Tracking blades is probably one of the times when you are in the greatest risk of danger and proper maintance ensures that the chance of blade separation is reduced.

You can track your blades how ever the heck you want to, ultimately the heli need to be airborne so you can SEE what the disk looks like and thats why I like to get them as close as I can in my garage.

I am sorry you had to grab your heli after it was running, hind sight probably would say let it do the chicken dance.