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Q: A selection of audio recordings from the Federal Aviation Administration (F.A.A.), North American Aerospace Defense Command (Norad) and American Airlines from the morning of Sept. 11, 2001. The recordings, some of which have been published previously, are being released in a multimedia report originally intended to be part of the Sept. 11 Commission’s 2004 report. Read Related Article » 
  
 Select a clip from the menu on the left-hand side. The transcript will automatically scroll as the audio is played. Note: Some audio contains explicit language and disturbing content. ||||| For one instant on the morning of Sept. 11, an airliner that had vanished from all the tracking tools of modern aviation suddenly became visible in its final seconds to the people who had been trying to find it. 
  
 It was just after 9 a.m., 16 minutes after a plane had hit the north tower of the World Trade Center, when a radio transmission came into the New York air traffic control radar center. “Hey, can you look out your window right now?” the caller said. 
  
 “Yeah,” the radar control manager said. 
  
 “Can you, can you see a guy at about 4,000 feet, about 5 east of the airport right now, looks like he’s —” 
  
 “Yeah, I see him,” the manager said. 
  
 “Do you see that guy, look, is he descending into the building also?” the caller asked. 
  
 “He’s descending really quick too, yeah,” the manager said. “Forty-five hundred right now, he just dropped 800 feet in like, like one, one sweep.” 
  
 “What kind of airplane is that, can you guys tell?” 
  
 “I don’t know, I’ll read it out in a minute,” the manager said. 
  
 There was no time to read it out. 
  
 In the background, people can be heard shouting: “Another one just hit the building. Wow. Another one just hit it hard. Another one just hit the World Trade.” 
  
 The manager spoke. 
  
 “The whole building just came apart,” he said. 
  
 That moment is part of a newly published chronicle of the civil and military aviation responses to the hijackings that originally had been prepared by investigators for the 9/11 Commission, but never completed or released. 
  
 Threaded into vivid narratives covering each of the four airliners, the multimedia document contains 114 recordings of air traffic controllers, military aviation officers, airline and fighter jet pilots, as well as two of the hijackers, stretching across two hours of the morning of Sept. 11, 2001. 
  
 Though some of the audio has emerged over the years, mainly through public hearings and a federal criminal trial, the report provides a rare 360-degree view of events that were unfolding at high speed across the Northeast in the skies and on the ground. This week, the complete document, with recordings, is being published for the first time by the Rutgers Law Review, and selections of it are available online at nytimes.com. 
  
 “The story of the day, of 9/11 itself, is best told in the voices of 9/11,” said Miles Kara, a retired Army colonel and an investigator for the commission who studied the events of that morning. 
  
 Most of the work on the document — which commission staff members called an “audio monograph” — was finished in 2004, not in time to go through a long legal review before the commission was shut down that August. 
  
 Mr. Kara tracked down the original electronic files earlier this year in the National Archives and finished reviewing and transcribing them with help from law students and John J. Farmer Jr., the dean of Rutgers Law School, who served as senior counsel to the commission. 
  
 At hearings in 2003 and 2004, the 9/11 Commission played some of the recordings and said civil and military controllers improvised responses to attacks they had never trained for. At 9 a.m., a manager of air traffic control in New York called Federal Aviation Administration headquarters in Herndon, Va., trying to find out if the civil aviation officials were working with the military. 
  
 “Do you know if anyone down there has done any coordination to scramble fighter-type airplanes?” the manager asked, continuing: “We have several situations going, going on here, it is escalating big, big time, and we need to get the military involved with us.” 
  
 One plane had already crashed into the north tower of the World Trade Center. Another had been hijacked and was seconds from hitting the south tower. At F.A.A. headquarters, not everyone was up to speed. 
  
 “Why, what’s going on?” the man in Herndon asked. 
  
 “Just get me somebody who has the authority to get military in the air, now,” the manager said. 
  
 In its 2004 report, the commission praised front-line aviation officials. But it then thoroughly dismantled the accounts of senior government officials, who in the weeks after Sept. 11, and for more than a year afterward, assured the public that fighter pilots had been in hot pursuit of the suicidal hijackers. During these chases, according to accounts from Vice President Dick Cheney, the F.A.A. and the Defense Department, the pilots were described as ready to carry out a wrenching order from President George W. Bush to shoot down airliners. 
  
 The commission discovered that little of that was true: of the four flights, military commanders had nine minutes’ notice on one before it flew into the World Trade Center, and did not learn the other three had been hijacked until after they had crashed. Military commanders, given an order outside the chain of command to shoot down hijacked airliners, did not pass it along to the fighter pilots, but instructed them instead to identify the tail numbers of any suspected rogue planes. That turned out to be a prudent call because by then, there were no longer hijackers in the air for them to shoot. 
  
 The newly published multimedia document spells out precisely how the recordings contradicted the accounts of the senior officials. |||||
A:
The horror and confusion of Sept. 11, 2001, comes to gut-wrenching life in newly published audio offering a real-time picture of the civil and military aviation responses during the first two hours after the hijackings. The 114 recordings, published by Rutgers Law Review and available in part on the New York Times website, were originally prepared by 9/11 Commission investigators, but were not completed before the commission shut down. One of those investigators, Miles Kara, tracked down the files this year in order to review, transcribe, and publish them. In one chilling call from just after 9am, after the first plane hit the World Trade Center, a caller asks a New York air traffic control manager to look out his window. Both watch a plane descending quickly, and then voices in the background erupt: “Another one just hit the building. Wow. Another one just hit it hard. Another one just hit the World Trade.” Other excerpts show the confusion as controllers attempted to respond to a situation they were not trained for: In one, another air traffic control manager calls the FAA in a desperate attempt to get the military involved as the situation is “escalating big, big time.” Listen here.