American Airlines Flight 77, en route to Los Angeles, departs Washington Dulles International Airport ten minutes delayed.1

Flight 77 Manifest 2
Click here to view
larger image

This flight simulation is based on Flight 77's flight data recorder ("Black Box"), which recorded the aircraft's air speed, altitude, and heading data. The video captures Flight 77's take-off from Washington Dulles International Airport. The time at takeoff, 12:20, reflects GMT (Greenwich Mean Time). At the specified time, GMT was 4 hours ahead of Washington, DC, where it was 8:20am. Please note that the content of this video is serious and may be distressful for those personally impacted by September 11th.

1 Flight 77 takes off” National September 11 Memorial & Museum n.d. Web. March 16, 2011
2 “Passenger Lists” United States v. Zacarias Moussaoui, Criminal No. 01-455-A, Prosecution Trial Exhibits Web. n.d. April 27, 2011
Courtesy of the National 9/11 Memorial and Museum