T8 B8 Miles Kara Docs (3) Timelines Fdr- Gott Tab- Slides- Graphical 9-11 Analysis- Norad Response 412

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Final Products for Internal Distribution Animated video clips for NORAD HQ use Time-centric overview World Trade Center attacks Pentagon attack Interceptor / hijacked airliners: time-to-target displays ** MPEG video clips included on accompanying CD FOND

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Timeline Examination and Interagency Response

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0846 - Otis Air National Guard issues scramble order 0852 - Otis fighters airborne

Boston

Otis F - I s airborne Somerset

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0930 - Lang ley fighters airborne

Somerset

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0937 - AA 77 impact on Pentagon (Langley interceptors approx 12 min/105 mi away)

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NORAD 's Response Times 0820 - AA 77 Takes off from Dulles for Los Angeles

0842 - UA 93 Takes off from Newark for San Francisco

0924 - AA 77 FAA reports possible hijack to N EADS

0843-UA 175 FAA reports possible hijack to NEADS

0814-UA 175 Takes off from Boston for Los Angeles

0840-AA 11 FAA reports possible hijack to NEADS *

0759-AA 11 Takes off from Boston for Los Angeles

0815

1003-UA93 Crash

0830

0845

* All times Eastern Daylight Time; NEADS = Northeast Defense Sector ** Scramble = order to get an aircraft airborne as soon as possible *** Estimated = loss of radar contact **** Flight times are calculated at 9 miles per minute or .9 mach Note: There was no formal FAA notification to NEADS regarding the hijacking of UA 93; the FAA and NEADS had already established an open line of communication discussing AA 77 and UA 93

0937 - AA 77 Impact on Pentagon, (Closest fighter 120 m i les away)

0902-UA 175 Impact on World Trade Center 2. (Closest fighter 8 min ****/ 71 miles away)

0846-AA 11 Impact on World Trade Center 1 ***

0900 0846 - Otis Air National Guard scramble order issued ** 0852 - Otis Fighters Airborne

0915

0930

0945

0924 - Langley scramble order issued **

0930 - Langley fighters airborne

1000

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Radar Access Calculations Terrain masking Dynamic access graphics Chain-UA93_to_FAASensors: Strand Access Times -13 May 2002 15:16:08

Plains/ASR-3 to UA 93

Gibbsboro/ASR-4 to UA 93 • H

Dansville/ASR-4 to UA 93

Canton/ASR 1EtoUA 93

11 Sep 2001 12:42:50.55 11 Sep 2001 13:17:51.14 11 Sep 2001 13:52:51.72 Time (UTCG)

Strand access graph

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Times Times Times Times

(UTCG) - Canton/ASRJ E to UA_93 (UTCG) - Dansville/ASR-4 to UA_93 (UTCG) - Gibbsboro/ASR-4 to UA_93 (UTCG) - Plains/ASR-3 to UA_93

Chain Access Computations Chain-UA175_to_AA11: Chain Access AER -13 May 2002 16:43:52

13 May 2002 16:33:20 riain-AirlinersAccess:

Chain Access AER Data

11 to UA 175 Time (UTCG) 11 Sep 2001 12:160399

11 Sep 2001 12:31:0600 Time (UTCO)

Azimuth (deg) - UA_175 to AA_11 Elevation (deg) - UA J 75 to AA_11 Range (nm) - UAJ 75 to AAJ 1~

11 11 11 11 11

Chain-UA93Jo_UA175: Chain Access AER -13 May 2002 16:44 32

Sep Sep Sep Sep Sep

2001 2001 2001 2001 2001

12:42:48.77 12:43:48.00 12:44:48.00 12:45:48.00 12:46:08.01

1 1 1 1 1

11 Sep 2001 12:52:33.18

Elevation (deg)

117.672 97.296 93.072 78.319 68.929

6.250 7.032 7.353 7.492 7.503

28.647406 30.636782 31.795224 34.939024 35.732895

Azimuth (deg)

Elevation (deg)

Range (nm)

305.806 296.617 292.835 261.546 254.724

-8.049 -8.714 -9.020 -9.469 -9.497

34.879130 28.115010 23.404006 21.164610 20.664031

175 to UA 93 Time (UTCG)

11 Sep 2001 12:42:4377

Range ( nm)

Azimuth (deg)

11 Sep 2001 12'46:08.01

11 Sep 2001 13:02:17.59

Time (UTCO)

Azimuth (deg) - UA_93 to UAJ 75 Elevation (deg) - UA_93 io UAJ 75 Range (nm) - UA_93 to UAJ 75

Sep Sep Sep Sep Sep

2001 2001 2001 2001 2001

12:42:48.77 12:43:48.00 12:44:48.00 12:45:48.00 12:46:08.01