I've posted a little over the years about some issues relating to the criticism of official government analysis pertaining to the events of 9/11. Let me reiterate that I am not interested in, nor do I endorse any theory which deals with the motives or identity of people that may have committed criminal acts that day. My interest is in examining the official government analysis for errors or inconsistencies, and calling for the analysis to be redone if necessary.
I want you guys to see this stuff because I think it's important.
Some time ago, the federal government released a data set consisting of position and velocity data for UA175, the second plane to impact the WTC complex on 9/11. This data represents values derived at 12s intervals by civilian and military radar, and shows the flight path of UA175 all the way to impact and destruction. According to this data, UA175 was traveling at 447 knots when it struck the south tower, even though this is well beyond design tolerance for sea level flight, and Boeing 767's that have approached these speeds at higher altitudes have disintegrated . In the following video, the radar data is matched with every known video recording of UA175's approach to the south tower, and it is shown that the data matches what was observed perfectly. You should also be able to see that the flight path described by the radar data represents an extremely complex and stressful maneuver for a plane flying (literally) over it's design tolerance for maximum speed.
The second video is much longer, but VERY interesting. It contains an interview with an instructor who asked the professional airline pilots in his recertification class to duplicate Marwan al-Shehhi's feat (crashing a jetliner into WTC1) on the much smaller and more maneuverable Boeing 737 being simulated for the class. Not one professional 737 pilot could hit either tower with any part of their plane at any velocity greater than landing speed (about 150 knots). Only the master instructor was able to hit the tower. These pilots all had logged 1000's of hours flying the 737, (and the instructor close to 10,000 hours). Al-Shehii had 10's of hours flying, and had never piloted a jet aircraft for a single hour. And yet the plane hit the building. As did the plane targeting the north tower.
Later in the video there is an interview with an experienced 767 pilot essentially scoffing at the notion that the observed flight path and maneuvers were accomplished using a 767 at all, much less one piloted by a rank amateur. Not only was the pilot in question experienced with the 767, but had literally captained UA175 previously himself. He calls what is described in the 9/11 commission report "impossible".
Again, I'm not interested in discussing why the events of 9/11 were carried out, only whether we have gotten a clean explanation from the commission, NTSB, NIST and the other agencies that have looked into this. As it stands, the idea that Marwan al-Shehhi flew UA175 at 447 knots into WTC1 is essentially discredited.
Here is the first video