AAL 11 a Boeing 767 Boston to Los

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AAL 11 a Boeing 767, Boston to Los Angeles AAL 11 TR 20 degrees 1 st Unknown 2 nd Unknown UAL 175 a Boeing 767, Boston to Los Angeles 3 rd Unknown 8: 24: 57 am ET UAL 175 ZNY check-on UAL 93 a Boeing 757, Newark to San Francisco Second unknown communication. . . 8: 24: 38 am ET “…nobody move, everything will be OK, if you try to make Unknown communication. . . “. . . we any moves you”ll endanger have some planes, just stay yourself and thewill be OK, we quiet and you airplane, just 8: 26 am ET stay quiet…” are returning to the airport…” AAL 11 in an unauthorized turn southbound - military radar shows an altitude of 31, 000 feet Albany. NY 8: 21 am ET 8: 14 am ET Last transponder return AAL 11 is instructed to climb to 35, 000 from AAL 11 feet, no acknowledgement from the pilot, however the flight appears to turn right, as instructed 8: 00 -8: 13 am ET 8: 34 am ET Unknown 8: 42 am ET transmission “…nobody move please, we UAL 175 pilot announces to Newback to the are going York Center 8: 30 am ET “We figured we”d wait to go to your center, we airport, don’t try to make out of AAL 11 descending heard a suspicious transmission on moves…” any stupid our departure at 28, 500 feet and UAL 175 out of Boston. Someone keyed the mikeflight paths cross and said 31, 000 feet ‘everyone stay in your seats’” 8: 45 am ET UAL 175 progress Sparta, NJ Navigational Aid Newark Boston All communications with AAL 11 8: 19 am ET appear routine and normal. At UAL 175 progress 8: 09 am ET, AAL 11 is instructed to turn right 20 degrees 8: 34 am ET UAL 175 progress 8: 40 am ET AAL 11 tracks the eastern shore of Hudson River 8: 47 am ET AAL 11 Crashes into World Trade Center 8: 25 am ET Based on voice communication heard 8: 41 am ET ET over 8: 15 am ET the frequency, 8: 14 am 8: 20 am ET Boston Center. ET Boston 8: 42 am declares 8: 00 am ET Coordinationlaunches fighter Military between two. Boston center UAL 175 in progress and a hijack Departs controllers response to FAA aircraft Departs Dulles Airport in recognizing Boston AAL 77 AAL 11 Departsthat AAL 11 UAL 93 Departs Newark FAA Headquarters appears to be turning right and has notification of hijack is acknowledgednotified additional radio calls

Within seconds of AAL 11 crashing into 8: 52 am ET WTC, 8: 46: 48 am ET, transponder code on UAL 175 changes to to recycle Controllers instruct UAL 175 3020 then to 3321, transponder the air traffic control. No making “…squawk 1470…” computers no response is able to track UAL 175’s radar target longer received from UAL 175. Flight is observed beginning a climb 9: 03 am ET and an unauthorized left turn. UAL 93 progress 8: 55 am ET UAL 93 progress Dulles Airport 8: 37 am ET AAL 77 progress Sparta, NJ Navigational Aid UAL 175 a Boeing 767, Boston to Los Angeles Newark Airport World Trade Center 9: 03 am ET UAL 175 crashes into 8: 59 am ET World Trade Center 8: 55 am ET UAL 175 completes a left UAL 175 progress turn, heads directly towards the World Trade Center UAL 93 a Boeing 757, Newark to San Francisco AAL 77 a Boeing 757, Dulles to Los Angeles 8: 53 am ET Controllers 8: 55 am ET internally, coordinate asking other controllers if they see Controllers are busy trying to keep UAL 175, or know colliding with other aircraft fromthe identity of radar target on transponder code the aircraft believed to be UAL 175. 3321. All responses are negative.

UAL 93 Last 9: 27: 30 am ET 9: 28: 54 am ET Cleveland Center providestransmission of to UAL 93. 9: 28: 19 am ETET A second radio a traffic advisory 3 rd Unknown 9: 31: 57 am This was the last voice communication with the flight crew. mostly unintelligible sounds of A radio transmission “…United ninety-three, that trafficof you is one o’clock, A third transmission struggle possible screaming or a for of AAL 77 Last sounds of twelve miles, unintelligible “…get out of here, responds eastbound, three-seven-oh. . . ” Pilot unknown origin and a statement is heard. More possiblewe’re looking, United ninety-three…” screaming or a what “…negative contact, of here…” from unintelligible words and get out Cleveland, OH struggle from an unknown an UAL 93 4 th Unknown sounds like “…we haveheard. on unknown origin is a bomb originboard…” is heard. UAL 93 a Boeing 757, Newark to San Francisco AAL 77 a Boeing 757, Dulles to Los Angeles 9: 35 am ET UAL 93 previously level at 35, 000 feet begins an unauthorized climb. 9: 38: 47 am ET 9: 40: 28 am ET 10: 04 am ET ET 9: 09 am 9: 39: 12 am ET Pittsburgh UAL 93 altitude 8: 55 am ET indicates 40, 700 return Last transponder radar feet 9: 45 am ET UAL 93 crashes into the UAL 93 progress Another unknown radio transmission is heard, 9: 51 am ET UAL 93 progress at an altitude of 39, 700 feet. woods in Somerset, PA 8: 55 am ET PIT controller starts a manual 8: 40 am ET mostly unintelligible, states words that may sound 9: 57: 19 am ET UAL 93 passes 2 miles south of radar track on the unidentified like “…captain…bomb on board…our establishes PIT at an unknown altitude 8: 56 am ET begins and AAL 77 primary radar target. radar return, unknown Last observed unauthorized turn and traveling at a with ground demands…remain quiet…” radio contactground speed 400 knots. altitude, Both primary and towards the south at speed of 350 knots. Indianapolis Center secondary radar contact is Dulles Airport 35, 000 feet lost with AAL 77 Pentagon 8: 37 am ET Newark Airport 9: 09 am ET 9: 38 am ET 9: 35 -9: 37 am ET 8: 57 -9: 09 am ET Indianapolis Center personnel 8: 51 am ET 9: 24 -9: 30 am ET AAL 77 progress AAL 77 crashes into the Radar data shows the fast-moving primary target At approximately 9: 33 am ET notify Great 9: 44 am. Regional Lakes ET Indianapolis Center personnel western side of the Pentagon AAL 77 acknowledges routing 9: 10 -9: 24 am ET 8: 57 am ET Dulles Airport ASR-9 radar, making a right, 360 -degree turn, 3 miles 8: 56 -9: 14 am ET Operations attempts to both Center of a possible clearance to Falmouth, KY displays a fast-moving primary make constant Center controller notifies An operations supervisor at IAD advises the Cleveland southwest of the Pentagon. Controller attempts to contact AAL 77 a Primary radar returns 9: 36 am with navigational aid. This was track radar return Several The black potion of this flight the is aircraft accident ET AAL 77 due communicate with. Airport controller an the minimum of five times without receiving subsequently extracted from White. Pittsburgh AAL 77 and find of House Office of the USSS of the assumed communication with last radio track of AAL 77. Radar controllers working radar to return thattraffic advisories radio Controllers fast-moving aircraftof the lossin on DCA issue loss heading any acknowledgement from the pilot. FAA different en route radar several any radarsimultaneouscould be unknown, atunanticipated turn, that ofthe coverage of primary targets is nearly the flight. positions at Dulles observed communications and radar that personnel also try to contact AAL 77 sites, indicate a track believed the unknown of of the flight. non-existent. this same primary target direction aircraft to a military The same secondary. White House. C-130 lack the radar returns, and the through American Airlines company radios. to be that of AAL 77. identification. departed Andrews AFB. to the controllers at tracking eastbound. information is provided When the C-130 of radio communication with UAL 93. (GOFER 06) pilot reported Theunidentified DCA at the same time. thepath of UAL 93 The projected flight operations aircraft in would the instruction waspassing in sight, providing continuous updates supervisor is also result in the flight given to follow the aircraft. not at FAA on a critical event teleconferencedirectly close proximity, if Headquarters. PIT. overhead

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