To begin, The planes were taken over by Al-Qaeda. The planes had between 7000-22000 gallons of fuel between the four of them. One of the militants had a knife on board the plane and threatened to stab the pilot in the side if he did not get out of the cockpit. Another militant had a gun and walked into the cockpit and shot one of the pilot's right in the head and drug him out of the cockpit so that he could fly the plane.
To begin, The planes were taken over by Al-Qaeda. The planes had between 7000-22000 gallons of fuel between the four of them. One of the militants had a knife on board the plane and threatened to stab the pilot in the side if he did not get out of the cockpit. Another militant had a gun and walked into the cockpit and shot one of the pilot's right in the head and drug him out of the cockpit so that he could fly the plane.