Events (4)

• 10:47 a.m.-11:40 a.m. September 11, 2001: United Airlines Flight Reported as Missing 2001-09-11
• 11:18 a.m.-12:27 p.m. September 11, 2001: Three Planes over Atlantic Reportedly Signaling Emergencies, but Then Found to Be Fine 2001-09-11
• (9:35 a.m.) September 11, 2001: Continental Airlines Plane Signals It Is Hijacked Three Times, but Pilot Says It Is Not Hijacked 2001-09-11
• 9:41 a.m.-9:48 a.m. September 11, 2001: FAA Command Center Notifies FAA Headquarters about Flight 93 Problems 2001-09-11