Two. One flew into each tower. Also - Another plane flew into the Pentagon building in Arlington, VA. A fourth plane was brought down by the passengers in a field in Pennsylvania.
Four planes, two hit the World Trade Centers, another crashed into the side of the pentagon, and a fourth crashed in a Pennsylvania field.
Four, one crashed in Pennsylvania, another in the pentagon, and the last two in the world trade centers.
The planes Edwin Aldrin flew were Jet planes, as he was a Air Force pilot for many years.
She owned 4 aircraft and flew many more.
4 planes 2 American and 2 United airlines. One plane was forced down before it hit by the passengers.
2
Two planes, one went into each tower.
Jean flew at least 6 different aircraft in her record attempts.
Oriville Wright flew their first plane!!! i figured it out YES!!!!!!!!!!!!!!!!!!
Four passenger planes were hijacked by terrorists in order to be used for suicidal attacks. Two of those were crashed into the North and South towers of the World Trade Centre. The third plane was crashed into the Pentagon, while the fourth plane crashed in a field near Pennsylvania.
in the world there were only 2 world trade centers
234 African Americans and native Africans were killed on 9/11; 181 at the WW Trade Centers and the rest at the Pentagon and aboard the planes.