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Profile: Dan Diggins

Dan Diggins was a participant or observer in the following events:

At FAA headquarters in Washington, DC, David Canoles, the FAA’s manager of air traffic evaluations and investigations, and his staff begin coordinating the collection of forensic evidence that might clarify how the morning’s attacks unfolded. They coordinate the capture and copying of radar track data showing the paths of the four hijacked planes, and obtain air traffic control voice tapes from every facility that had spoken with these planes. FAA Assistant Investigations Manager Tony Mello and other employees will work for most of the afternoon, all night, and part of the following day, gathering data and coordinating with the FBI, Secret Service, Defense Department, White House, and National Transportation Safety Board, making sure these other agencies receive as much evidence as is available. Radar tracks are crudely plotted, showing the flight paths of the four jets, and voice tapes are transcribed. Having been stuck in Chicago when the attacks occurred, (see 8:30 a.m. September 11, 2001), Tony Ferrante, the manager of FAA investigations, will finally arrive at FAA headquarters at 5:00 a.m. on September 12. His first priority is “to ensure that the radar data and voice tapes from every location involved in the attack [are] put under lock and key as soon as possible,” presumably to be kept safe for any investigations. He looks at and listens to the relevant controller tapes, and begins constructing a detailed timeline of the four hijacked aircraft. Along with Tony Mello and others of his staff, Ferrante will spend several days working out the movements of the four planes. FAA radar experts Dan Diggins and Doug Gould will also spend days interpreting the radar tracks of the four planes, piecing together a detailed timeline of their actions from takeoff to crash. [Freni, 2003, pp. 74 and 76-77] The FAA will publish a fairly comprehensive chronology of the hijackings on September 17, though this will not be made public until September 2005. [Federal Aviation Administration, 9/17/2001 pdf file; National Security Archive, 9/9/2005] Presently, it refers any media requests for flight patterns to Flight Explorer, a software company that makes charts of plane routes using information from the FAA’s radar system (see After 8:46 a.m. September 11, 2001). [Washington Post, 9/13/2001] The US military has also started doing its own reconstructions of the radar data for the hijacked aircraft (see (11:30 a.m.) September 11, 2001).

Entity Tags: Doug Gould, David Canoles, Dan Diggins, Tony Mello, Federal Aviation Administration, Tony Ferrante, Flight Explorer

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

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