Uploaded by FLT111 on Sep 11, 2011
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This is a newly released recording of United Airlines flight 175 which crashed into the South Tower of the World Trade Centre after being hijacked by five terrorists. This recording reveals the communication between the pilot and the aircraft controller before the hijacking and also during the hijacking when Flight 175 disappeared from radar. This was the second plane to be hijacked on September 11, 2001.
United Airlines Flight 175 departed Boston-Logan for Los Angeles at 08:14. The aircraft was hijacked by five terrorists. The hijackers took over control, reportedly switched off the transponder and changed course to New York. At 09:03 the aircraft was flown into the Southeast side of the 110-story New York WTC South tower in a sharp left wing low attitude, crashed and exploded into the 78th through 84th floors. The massive fire weakened the tower structure on these floors and the tower collapsed at 09:59. Most of the office workers below the 78th floor were able to evacuate the tower on time before the collapse. Seventeen minutes before Flight 175 crashed into the South Tower, the WTC North Tower had been hit by an American Airlines Boeing 767, N334AA. It has been calculated that 1530 people were killed on the North Tower, and 612 on the South Tower. Additionally 479 rescue workers were killed. According to an FAA study, N612UA struck the WTC at a speed of 586mph an MIT study however determined the plane was probably traveling at 537mph.