Jimmy wrote --

  JM>>   There were parts of another film that were lifted nearly
 JA> verbatim.

 JA> Zero Hour, I believe it was. I've not seen it, but heard it talked about
 JA> on a podcast.

  That's it!
  There were lots of disaster movies involving planes over the years and
after a while they all seemed to blend together.
   In Zero Hour the crew got food poisoning, the one with Van Heflin is
where he played a mad bomber.
   WB Jimmy.
   Joe