It seems the advertised statistics for single engined turbines rarely failing or shutting down in flight doesn't bare out the reality , it seems this is happening with a caravan or now PC-12 at least 3 or 4 times a year in Oz alone ?
Compared to how many hours being flown?????
If you want to look at the PT6A, start including King Airs, TBM's, PC9's...
Does it really seem that often?
That's like saying there are hundreds of accidents involving commodores and falcons. Should they be investigated?