tucumseh
Interesting first post, on this thread (and on pprune!)
Do you have a more familiar name?
Are you questioning the implication that the Chinook HC2 was unsuitable for service 10 years ago, or just pointing out semantics?
Incidentally, the history of engine changes on the accident aircraft; (rather unusual, I agree!) was well known to the BOI.
Perhaps only one of the reasons the \'professional aviators\' in the process were more circumspect in their findings?