Calculation errors in the previous version have been corrected. Version 5 included a table showing that a range of flight paths exist which would enable a Boeing 757 to hit the light poles and the Pentagon without experiencing excessive g-force. As some researchers have stated that this is impossible the issue of misinformation arises and is examined.

http://www.journalof911studies.com/volume/2009/WhatHitPentagonDrLeggeAug.pdf