Events (6)

• 8:41 a.m. September 11, 2001: FAA, Unusually, Does Not Contact United Airlines about Communications from Flight 175 2001-09-11
• Shortly Before 9:00 a.m. September 11, 2001: United Airlines Learns about Flight 175 Hijacking 2001-09-11
• (9:00 a.m.) September 11, 2001: United Airlines Activates Its Crisis Center 2001-09-11
• 9:22 a.m. September 11, 2001: United Airlines Manager Issues Advisory Stating Flight 175 Was in Accident 2001-09-11
• (9:50 a.m.-9:51 a.m.) September 11, 2001: United Airlines Dispatcher Warns Flights to Land at Nearest Airport, Told Flight 93 Possibly Hijacked 2001-09-11
• (9:50 a.m.) September 11, 2001: United Airlines Manager Tries Unsuccessfully to Initiate Lockout of Flight 93 2001-09-11