) EST
7:45 7:58 7:59 8:00 8:04 8:09 8:10 8:13 8:14 8:18 8:20 8:21 8:25
8:26 8:28
AA11 Scheduled Departure
DA 1989
UAL 175 1
8:35
NEADS
Departure Scheduled Departur Ready for taxi Reached flight altitude Scheduled Departure Last ATC transmission Departure Ong Call Departure Transponder off Threatening Comms
Boston declares AA1 1 hijacking in progress
Turn South Boston AA1 1 notification to Command Center Boston AA1 1 notification to adjacent Centers Reached flight altitude
Departure Reached flight altitude
8:38
8:40
FAA
Scheduled Departure
8:29
8:30
UA93
• •
Boston AA1 1 call to Cape TRACON, Otis Boston AA1 1 call to NEADS. Concurrent Cape TRACON call
Enters Indy Center airspace, Code change to 3743
Boston AA1 1 call to NEADS. Concurrent Cape TRACON call
Boston AA1 1 Otis fighters on battle coordinates passed stations to NEADS
EST 8:41
AA11
DA 1989
UAL 175 Checkin to NY Center, reports suspicious transmission heard in Boston airspace
8:45 8:46
Z point established
Impact WTC North Tower (NTM)
Otis scramble order 280 FL 290
Turn east
Last ATC Transmission
8:52
New York AA1 1 coordinates passed to NEADS NY Center asks UA1 75 to recycle transponder Otis fighters airborne
8:54
Turn southwest
8:56
Transponder off, Coast track continues southwest First ATC attempt to contact
Turn north
8:59
9:00
ELT report from USAir 583 ELT report from Delta 2433 Transponder code change to 3020 Transponder code change to 3321
8:48
8:57
NEADS
Last ATC Transmission
8:44
8:51
FAA
Departure
8:42 8:43
8:47
UA93
Otis fighters vectored to NYC Otis fighters to be held until [AA11] status confirmed Two additional Otis fighters depart on routine training Otis mission is to hold south of Long Island
AA 2493 sent message to AA dispatch
EST ~9:OT
AA11
UAL 175
AA77
DA 1989
UA93 Reached flight altitude
FAA
NEADS Two more Otis fighters depart on routine training
AA dispatch attempt to call
"9:03"
Impact WTC South Tower Two more Otis fighters depart on routine training, total of six NEADS notified of UA 175 hijacking
9:05 9:06
Treated AA77 as non radar alerted next sector to west
9:09 ~9:10
Otis fighters enter hold pattern Langley fighters ordered to battle stations
Returns to USAF radar coverage
9:11
NY Center assesses AA11 and UA 175 impacted
9:13
Otis fighters leave holding area for NYC
Enters Cleveland air space
9:23 9:24
ACARS Text message sent
9:25
Confirmed receiving ACARS message Last ATC Transmission Sounds of take over
9:26 9:27 9:28
•••
Langley scramble order 01 OFL 290 Otis fighters CAP NYC Langley clearance approved 090 for 60
) EST
UA93 Bomb on board"
AA11
9:32
9:33
9:34
9:35 9:36 9:37
9:38
FAA
NEADS Langley fighters confirm 090 for 60 flight plan with Norfolk TRACON Great Lakes Region NEADS asks ATC to notified: UA93 send Langley fighters to Baltimore
Dulles Tower notices fast moving primary
NEADS floor specifies AA77 as 3d missing aircraft, Bos to LAX Turn south
Gopher 06, C-130 sees "traffic1 Gohper 06 follows "traffic"
Turn east
Gopher 06 reports Pentagon impact
ATC puts Langley Fighters on a 360 heading Langley fighters turn north
9:39
9:40
9:41
NEADS establishes track B032 on unknown near White House
Command Center notified of UA93 bomb threat Transponder off
NEADS declares AFIO and takes control of Langley fighters Langley fighters squawk 7777 and turn for Baltimore NEADS, establishes a 4th missing aircraft
9:42
NEADS pairs Langley fighters to track B032
9:44
NEADS aware of possible hijack east of Toledo
9:47
USAF radar contact lost
1 AA11
UAL 175
DA 1989
UA93
FAA
NEADS Langley fighters directed to CAP DC Toledo fighters scrambled Langley fighters turn toward DC NEADS establishes track B089 on Delta
1989 9:56 10:00
Langley fighters CAP DC
10:02
USAF radar contact, transponder on briefly
10:03 10:06
Impact Shanksville NEADS notified of NEADS notified of bomb on board UA93 bomb on board UA93
10:08
10M1_ "10:14"
10:17
Langley fighters intercept target over White House Lands Cleveland Falcon Jet impact Gopher 06 impact
surveils site surveils site Toledo fighters first radar data