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The 9/11 Commission Report Final Report of the National Commission on Terrorist Attacks Upon the United States

By: Thomas H. Kean

...79 The World Trade Center Complex as of 9/11 p. 284 The World Trade Center radio repeater system p. 288 The World Trade Center North T ower stairwell ... ...FM.1pp 7/17/04 5:25 PM Page ix Final FM.1pp 7/17/04 5:25 PM Page x Thomas H. Kean chair Richard Ben-Veniste Fred F . Fielding Jamie S. Gorelic... ...17/04 5:25 PM Page ix Final FM.1pp 7/17/04 5:25 PM Page x Thomas H. Kean chair Richard Ben-Veniste Fred F . Fielding Jamie S. Gorelick Slade Go... ...J. Farmer, Jr. Senior Counsel & Team Leader Alvin S. Felzenberg Deputy for Communications COMMISSION STAFF xiii Philip Zelikow, Executive Director Chr... ...nance Dietrich L. Snell Senior Counsel & Team Leader Jonathan DeWees Stull Communications Assistant Lisa Marie Sullivan Staff Assistant Quinn John Tam... ...age our fellow citizens to study, reflect—and act. xviii PREFACE Thomas H. Kean chair Lee H. Hamilton vice chair Final FM.1pp 7/17/04 5:26 PM Page ... ... feet, not quite its initial assigned cruising altitude of 29,000 feet.All communications and flight profile data were normal.About this time the “Fas... ...Ong did not.The hijackers probably did not know how to operate the cockpit radio communication system correctly, and thus inadvertently broad- cast th... ...ervice would have begun. At 8:51, American 77 transmitted its last routine radio com- munication.The hijacking began between 8:51 and 8:54.As on Ameri...

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