Jay Honeck wrote:

And you could eliminate all the "pressure altitude" versus "density
altitude" computational B.S., too. Never used it yet.

If you fly in the mountains in the summer time, knowing the
difference and being able to compute the D.A. can mean the difference
between flying and eating a tree sandwich. Given some of the antics
I've seen from newbie mountain pilots over the years, I was under the
impression that they'd already dropped this from the curriculum.

John Galban=====N4BQ (PA28-180)