Oh c'mon guys!!!!!
It's a movie for God's sake!
Yes Oogle, it's a movie. I just answered the question at the beginning of the thread.
If they made movies like this one factually correct, there would be little appeal for the film-going masses as they wouldn't understand most of what's going on. The filmies won't let the truth get in the way of a good story.
The most cringeworthy helicopter sequence I've seen was the 355 hacking its way through the market at about 10 knots and 40 degrees nose down in the Bond film.
For sheer anality, have a look at
this site. The Blue Thunder entry is
here.