Up to a 727 at most, and they also failed to take the jet fuel into account when they designed the building. They didn't take into consideration having both towers collapsing completely and dumping large amounts of flaming debris onto the building when they designed WTC 7.
Again, what, exactly, is your agenda? Are you merely speaking from ignorance? Or are you speaking from maliciousness?
See post #48. The agena lies therein.
Neither.......just asking questions vs. lapping up without question what we're fed by the MSM and other assorted mouthpieces.