Because those are the ones the US Government allowed them access to. If you watch "Loose Change" on YouTube, this will become clearer.
Box cutters and small knifes with blades a few inches long that were allowed on planes in 2001.
Big planes always had navigators in the cockpits with classic tools and maps. Airlines, bombarders, cargo planes. Smaller size plane groups also had a leader plane that were familiar with the region they flew or experienced at navigating.
How did Amelia Earhart use math on the planes
you call 911
architects use coordinate planes to graph where they want the rooms to be
9-11, September 11 2001 didn't use any actual bombs. The attack used airplanes hijacked by people willing to die for their cause who deliberately flew their planes into important Buildings.
Thomas L. Friedman is a opinion columnist at the New York Times. His is also a Pulitzer Prize winning author, and wrote a column about the 911 use of planes to crash into the World Trade Center towers.
Jet planes can be of many types and some perform better than piston planes.
Use of air planes allows the military to place bombs where they will be most effective.
Yes, it uses both trucks and planes.
Nebraska invented the 911 system and first used 911 service. submitted by. Marissa
The 2005 Porsche 911 runs on premium unleaded (required).