NASA Shuttle Piggyback - A pilots perspective.
And a
NASA article
Edited: You can search on many different key words, but you may wish to search on this:
"NASA pilot Nickel tells what it's like to fly a 747 with Atlantis on it's back" without the quotes.
Jack "Triple" Nickel is a research/test pilot for NASA based out of Johnson Space Center
Also, Columbus AFB, MS was a refueling stop.
Here are some more words and pictures:
Shuttleferry A NASA Official BLOG site.
I am not disputing anything that anyone has posted. However, let me ask this question. Isn't every flight possibly a little different depending on conditions?
Happy trails.