Kwyjibo wrote:
"Ned" wrote in message ...
Ten Plane Crashes That Changed Aviation
Popular Mechanics | By David Noland | October 13, 2007
snip

Hmmm. No mention of September 11, 2001.
I would have thought those plane crashes would have made the list, given the
drastic changes that resulted.

Those four plane crashes were, in my opinion, not accidents, but
deliberate and pre-meditated acts of suicide and murder. To me, that
would explain why those did not make the list.