I do not know what the final investigation found but this incident has stuck
in my mind as a good example of the terrorism potential of GA.

To me it seems plausible that if this plane was fully loaded with fuel and
explosives, and hit the building at high speed in a dive so that the energy
was directed downward instead of out the other side of the building, then
the building would have been destroyed.

But to buy a $1 million dollar plane for that is not cost effective for
a terrorist. If someone hijacked a fuel truck, you can do even more
damage for the cost of a gun.

Gerald