Only after hours of trial and error I could fly my machine in one of the towers. Hitting the Pentagon the way it was done was impossible for me on the sim. But I'm not a pilot, just a computerdesk-amateur.

Supposedly the 9/11 pilots had been trained on Cessnas and had at most had flight-simulator training with large passenger jets.

Those whom the Gods wish to destroy They first make mad. — Euripides