Originally Posted by Cool guy
The engine manufacturers set a zero tolerance to volcanic ash to minimise the chances of litigation, understandably.
Did it ever occur to you that at least some rules are not there to satisfy the legal dept but to prevent us pilots from killing ourselves, our crews, our passengers and anyone living underneath our flight paths?
Don't worry all you children crying over the lack of scientific empirical data about the effect of rarefied VA clouds on turbine engines. We'll have all the data we need soon enough.
I still have a faint hope that it won't be more than we can possibly handle.