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.