it never did. Only two planes hit the WTC.
Planes
2 planes hit the North and South towers of the WTC and one "plane" hit the pentagon. There was a fourth plane but it "crashed" in a Pennsylvania field. This happened in NY!
On Sept. 11, 2001, WTC 1 and WTC 2 were struck 16 minutes apart by Boeing 767-200ER aircraft. WTC 1 was hit at 8:46 a.m. by American Airlines Flight 11, and collapsed at 10:28 a.m. WTC 2 was hit at 9:02 a.m. by United Airlines Flight 175, and collapsed at 9:58 a.m. See the NIST government website for more information.
Boston Logan International Airport. They were scheduled to land in Los Angeles and San Francsico later that day.
Over 500
Two planes crashed into the Twin Towers. American Airlines Flight 11 hit the North Tower at 8:46 and United Airlines Flight 175 crashed into the South Tower at 9:03.Another plane, American Airlines Flight 77 hit the Pentagon at 9:37.A final plane, United Airlines Flight 93 ploughed into a field in Shanksville, Pennsylvania after the passengers stormed the cockpit.
Boeing 767s on WTC; Boeing 757s elewhere
American Airlines Flight 11 crashed into the North Tower (1 WTC), and United Airlines Flight 175 crashed into the South Tower (2 WTC).
At 9:03 am, 17 minutes after the first attack, United Airlines Flight 175 Hit The WTC South tower
Q33 ny
Because it will cost to much money and you might as well put a big red target on it and say come hit me again it would be great to have them back but then terrorists would keep trying to hijack planes.