The use of mobile phones makes it easy to locate within 500 meters the caller and the receiver.
It would have been easy for the FBI to establish beyond doubt the exact trajectory of UA93 by simply analyzing the coordinates of the alleged mobile phone calls made from the aircraft prior to its alleged crash. Yet, nothing of this kind was ever publicized. No evidence has been released that would prove that such telephone calls were made from the aircraft. This omission must be regarded in conjunction with the refusal to disclose the contents of the “black boxes” which would reveal the path of the aircraft and their respective altitudes during flight.
The publication of such data would establish conclusively that the aircraft which crashed on 9/11 were the same aircraft which left with passengers on the same day.
The refusal to release such information can also be assessed in the light of the fact that it is almost impossible to make cellphone calls from aircraft flying above 8000 feet.