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Context of '(Between 8:51 a.m. and 8:56 a.m.) September 11, 2001: Air Force Liaison to FAA Arrives at FAA Headquarters, but Does Not Join Teleconference'

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The hole caused by the Flight 11 crash.The hole caused by the Flight 11 crash. [Source: Reuters]Flight 11 slams into the WTC North Tower (Building 1). Hijackers Mohamed Atta Waleed Alshehri, Wail Alshehri, Abdulaziz Alomari, and Satam Al Suqami presumably are killed instantly, and many more in the tower will die over the next few hours. Seismic records pinpoint the crash at 26 seconds after 8:46 a.m. [CNN, 9/12/2001; New York Times, 9/12/2001; North American Aerospace Defense Command, 9/18/2001; USA Today, 12/20/2001; Federal Emergency Management Agency, 5/1/2002, pp. 1-10; New York Times, 5/26/2002; USA Today, 8/13/2002; Associated Press, 8/21/2002; Newsday, 9/10/2002] The NIST report states the crash time to be 8:46:30. [National Institute of Standards and Technology, 9/2005, pp. 19] The 9/11 Commission Report states the crash time to be 8:46:40. [9/11 Commission, 7/24/2004, pp. 7] Investigators believe the plane still has about 10,000 gallons of fuel (see 8:57 a.m. September 11, 2001). [New York Times, 5/26/2002] The plane strikes the 93rd through 99th floors in the 110-story building. No one above the crash line survives; approximately 1,360 people die. Below the crash line, approximately 72 die and more than 4,000 survive. Both towers are slightly less than half full at the time of the attack, with between 5,000 to 7,000 people in each tower. This number is lower than expected. Many office workers have not yet shown up to work, and tourists to the observation deck opening at 9:30 A.M. have yet to arrive. [USA Today, 12/20/2001; National Institute of Standards and Technology, 9/2005, pp. 20-22] The impact severs some columns on the north side of the North Tower. Each tower is designed as a “tube-in-tube” structure and the steel columns which support its weight are arranged around the perimeter and in the core. The plane, which weighs 283,600 lb and is traveling at an estimated speed of around 430 mph (see October 2002-October 2005), severs 35 of the building’s 236 perimeter columns and damages another two. The damage to the South Tower’s perimeter will be similar (see 9:03 a.m. September 11, 2001). [National Institute of Standards and Technology, 9/2005, pp. 5-9, 20, 22] The perimeter columns bear about half of the tower’s weight, so this damage reduces its ability to bear gravity loads by about 7.5 percent. [National Institute of Standards and Technology, 9/2005, pp. 6] The actual damage to the 47 core columns is not known, as there are no photographs or videos of it, but there will be much speculation about this after 9/11. It will be suggested that some parts of the aircraft may have damaged the core even after crashing through the exterior wall. According to the National Institute of Standards and Technology (NIST): “Moving at 500 mph, an engine broke any exterior column it hit. If the engine missed the floor slab, the majority of the engine core remained intact and had enough residual momentum to sever a core column upon direct impact.” [National Institute of Standards and Technology, 9/2005, pp. 107] According to NIST’s base case computer model, three of the core columns are severed and another ten suffer some damage. [National Institute of Standards & Technology, 9/2005, pp. 189 pdf file] If this is accurate, it means that the impact damage to the core reduces the Tower’s strength by another approximately 7.5 percent, meaning that the building loses about 15 percent of its strength in total. This damage will be cited after 9/11 by NIST and others researchers as an event contributing to the building’s collapse (see October 23, 2002 and October 19, 2004). In addition, some of the fireproofing on the steel columns and trusses may be dislodged. The original fireproofing on the fire floors was mostly Blazeshield DC/F, but some of the fireproofing on the flooring has recently been upgraded to Blazeshield II, which is about 20 percent denser and 20 percent more adhesive. [National Institute of Standards & Technology, 9/2005, pp. xxxvi, 83 pdf file] Photographs and videos of the towers will not show the state of fireproofing inside the buildings, but NIST will estimate the damage to it using a computer model. Its severe case model (see (October 2002-October 2005)) will predict that 43 of the 47 core columns are stripped of their fireproofing on one or more floors and that fireproofing is stripped from trusses covering 60,000 ft2 of floor area, the equivalent of about one and a half floors. NIST will say that the loss of fireproofing is a major cause of the collapse (see April 5, 2005), but only performs 15 tests on fireproofing samples (see October 26, 2005). [National Institute of Standards and Technology, 9/2005, pp. 23] According to NIST, more fireproofing is stripped from the South Tower (see 9:03 a.m. September 11, 2001).

Entity Tags: Mohamed Atta, National Institute of Standards and Technology, Satam Al Suqami, Waleed Alshehri, Abdulaziz Alomari, World Trade Center, Wail Alshehri

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

According to a statement by two high-level FAA officials, “Within minutes after the first aircraft hit the World Trade Center, the FAA immediately established several phone bridges [i.e., telephone conference calls] that included FAA field facilities, the FAA command center, FAA headquarters, [Defense Department], the Secret Service, and other government agencies.” The FAA shares “real-time information on the phone bridges about the unfolding events, including information about loss of communication with aircraft, loss of transponder signals, unauthorized changes in course, and other actions being taken by all the flights of interest, including Flight 77. Other parties on the phone bridges in turn shared information about actions they were taken.” The statement says, “The US Air Force liaison to the FAA immediately joined the FAA headquarters phone bridge and established contact with NORAD on a separate line.” [9/11 Commission, 5/23/2003] Another account says the phone bridges are “quickly established” by the Air Traffic Services Cell (ATSC). This is a small office at the FAA’s Herndon Command Center, which is staffed by three military officers at the time of the attacks (see (Between 9:04 a.m. and 9:25 a.m.) September 11, 2001). It serves as the center’s liaison with the military. According to Aviation Week and Space Technology, the phone bridges link “key players, such as NORAD’s command center, area defense sectors, key FAA personnel, airline operations, and the NMCC.” [Aviation Week and Space Technology, 6/10/2002; 9/11 Commission, 6/17/2004] According to an FAA transcript of employee conversations on 9/11, one of the phone bridges, between the FAA Command Center, the operations center at FAA headquarters, and air traffic control centers in Boston and New York, begins before Flight 11 hits the World Trade Center at 8:46 (see 8:46 a.m. September 11, 2001). [Federal Aviation Administration, 10/14/2003, pp. 3-10 pdf file] If these accounts are correct, it means someone at NORAD should learn about Flight 77 when it deviates from its course (see (8:54 a.m.) September 11, 2001). However, the 9/11 Commission will later claim that the FAA teleconference is established about 30 minutes later (see (9:20 a.m.) September 11, 2001). The Air Force liaison to the FAA will claim she only joins it after the Pentagon is hit (see (Shortly After 9:37 a.m.) September 11, 2001).

Entity Tags: US Secret Service, Federal Aviation Administration, Air Traffic Services Cell, US Department of Defense

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

The US Air Force liaison to the FAA arrives at FAA headquarters in Washington, DC, but, according to her own later recollections, does not immediately join a teleconference that has been set up in response to the first plane hitting the World Trade Center. [9/11 Commission, 5/23/2003; US Department of Transportation, 8/31/2006 pdf file]
Military Liaisons at FAA Headquarters - Each of the four military services within the US Department of Defense (the Army, the Navy, the Air Force, and the Marine Corps) assigns an FAA liaison officer to represent its requirements to the director of air traffic. These four liaisons share office space on the fourth floor of FAA headquarters. [Federal Aviation Administration, 3/21/2002 pdf file] Colonel Sheryl Atkins is the Air Force liaison there. Air Force liaisons at the FAA regional offices all report to Atkins, and she reports to the Pentagon.
Atkins Arrives at FAA Headquarters - Atkins will later recall that she was on her way to work when the first plane hit the WTC at 8:46 a.m., and she arrives at FAA headquarters “probably five, 10 minutes after that.” Once there, she goes to her office, where everyone is gathered around the television. She will see the CNN coverage of the second plane hitting the WTC at 9:03 a.m., and then immediately begin “personnel accounting.” [9/11 Commission, 3/26/2004; US Department of Transportation, 8/31/2006 pdf file]
Atkins Does Not Join Teleconference - According to a 2003 statement provided by the FAA, the FAA established a teleconference with several other agencies minutes after the first WTC tower was hit (see (8:50 a.m.) September 11, 2001), and the Air Force liaison to the FAA (i.e. Atkins) “immediately” joined this. [9/11 Commission, 5/23/2003] However, Atkins will say she only joins this teleconference after 9:37 a.m., when the Pentagon attack occurs (see (Shortly After 9:37 a.m.) September 11, 2001). [9/11 Commission, 3/26/2004; US Department of Transportation, 8/31/2006 pdf file]
Not Responsible for Reporting Hijackings - Atkins will tell the 9/11 Commission that she is not responsible for being a channel from the FAA to the military for hijack and/or fighter escort protocols. She will explain that her office is “a liaison military administrative office,” and therefore, if she is notified of a hijacking, this does not represent “procedural military notification.” 9/11 Commission staff members will confirm “that there is no indication in the FAA handbook for special military procedures that [Atkins’s] office has a role in the notification to the military of a hijack, or the request to the military for fighter asset support.” Atkins will recall that, on this morning, “no one at the FAA” says to her that she should initiate “notification for a military response and/or coordination with the FAA response to the attacks.” Instead, she is “involved with military administrative coordinating and facilitating… and not with direct assessment or response to the attacks.” [9/11 Commission, 3/26/2004; 9/11 Commission, 4/19/2004]
No Other Military Liaisons Present - The three other military liaisons that share office space with Atkins at FAA headquarters are currently elsewhere, spread out around northern Virginia and Washington, DC. The Navy and Marine Corps liaisons will arrive at FAA headquarters at around 10:30 a.m.; the Army liaison will not arrive until the following day. [Federal Aviation Administration, 3/21/2002 pdf file]

Entity Tags: Sheryl Atkins, Federal Aviation Administration

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Flight 77 from Washington begins to go off course over southern Ohio, turning to the southwest. [Washington Post, 9/12/2001; Newsday, 9/23/2001; 9/11 Commission, 6/17/2004]

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Colin Scoggins, the military liaison at the FAA’s Boston Center, learns from an FAA teleconference that there is a second hijacked plane over the US. He has previously called the FAA’s New York Center and was told, “We’re working a hijack,” but mistakenly thought the controller was referring to Flight 11 (see (Between 8:40 a.m. and 8:54 a.m.) September 11, 2001). According to author Lynn Spencer, Scoggins now hears on the FAA headquarters’ hijack teleconference of the second hijacked airliner, Flight 175. [Spencer, 2008, pp. 48-49 and 82] Spencer’s account is consistent with a May 2003 statement by the FAA, according to which the FAA established its teleconference “[w]ithin minutes after the first aircraft hit the World Trade Center” (see (8:50 a.m.) September 11, 2001). [9/11 Commission, 5/23/2003] But the 9/11 Commission will claim that the FAA headquarters’ hijacking teleconference is only established at “about 9:20” (see (9:20 a.m.) September 11, 2001). [9/11 Commission, 7/24/2004, pp. 36] According to Spencer, Scoggins assumes that NORAD’s Northeast Air Defense Sector (NEADS) is also on the FAA teleconference and is receiving the same information that he is about the second hijacking. However, the “FAA headquarters’ teleconference is between air traffic control facilities, the [FAA] Command Center, the Defense Department, and several other agencies; NORAD is not looped in.” [Spencer, 2008, pp. 82] Although the FAA will claim that the “Air Force liaison to the FAA immediately joined the FAA headquarters [teleconference] and established contact with NORAD on a separate line,” the Air Force liaison will subsequently claim she only joins the teleconference after 9:37 a.m., when the Pentagon is hit (see (Shortly After 9:37 a.m.) September 11, 2001). [9/11 Commission, 5/23/2003; US Department of Transportation, 8/31/2006 pdf file] Even though Scoggins assumes NEADS is already aware of the information, he will subsequently call it with the news of the second hijacking (see (9:02 a.m.-9:07 a.m.) September 11, 2001). [Spencer, 2008, pp. 82]

Entity Tags: Colin Scoggins, Federal Aviation Administration, Northeast Air Defense Sector

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Brian Meenan.Brian Meenan. [Source: US Air Force]The Air Traffic Services Cell (ATSC)—a small office at the FAA’s Command Center in Herndon, Virginia, manned by military reservists—is activated.
Officers Learn of Attacks - Three officers are currently on duty in the ATSC: Colonel John Czabaranek, Lieutenant Colonel Michael-Anne Cherry, and Major Kevin Bridges. Colonel Brian Meenan, the director of the cell, is not in the ATSC at this time, and so Czabaranek, his deputy, is currently in charge. Czabaranek, Cherry, and Bridges learned of the first attack in New York at around 8:55 a.m. when another employee at the Command Center told them to turn on CNN, because an aircraft had crashed into the World Trade Center. The three officers initially thought the crash was an accident, but realized it was not when they saw the second aircraft hitting the WTC at 9:03 a.m. They then established contact with the Air Force Ops Center.
Cell Activated, Though Timing Unclear - The ATSC is activated, although the exact time this happens at is unclear. According to Aviation Week and Space Technology magazine, the cell “quickly became a key communications node during the military’s response to [the] terrorist attacks.” [US Air Force, 9/11/2001; Aviation Week and Space Technology, 6/10/2002] Jeff Griffith, the FAA’s deputy director of air traffic control, will tell the 9/11 Commission that “the military officers assigned to the Air Traffic Services Cell became immediately involved in coordinating FAA… Command Center actions with military elements.” [9/11 Commission, 6/9/2004 pdf file] According to a chronology of the ATSC’s actions on this day, calls to activate the cell are apparently made at unspecified times following the second attack in New York and before the FAA’s ground stop (at 9:26 a.m.). These calls are made by a Lieutenant Colonel Mahoney and a Colonel Litzenberger from the Air Force Ops Center. Apparently shortly after the calls are made, Czabaranek contacts NORAD to let it know that the ATSC is “up and running.” [US Air Force, 9/11/2001]
Military Cell Aided by Recently-Installed Hardware - The ATSC’s response to the terrorist attacks benefits from the fact that, six weeks earlier, the cell had a secure terminal to access the SIPRNET—the military’s classified version of the Internet—installed, along with other hardware, which significantly enhances the movement of vital information. According to Meenan, because the cell has the SIPRNET terminal, “we could immediately look at NORAD and [Defense Department] plans as they evolved; filter, package, and format them, then walk out to the [FAA] national operations manager—who had control of the entire national airspace system—and give him current visibility into… fighter, tanker, and support aircraft activities. It cut down our response time tremendously.” [Aviation Week and Space Technology, 6/10/2002]
ATSC Is a Bridge between FAA and Military - The ATSC is a “part-time military outfit, staffed by part-time Air Force Reserve members” who “provide a bridge between the civilian and military worlds when air traffic issues arise,” according to the Air Force Times. For example, “During a crisis, the armed forces suddenly may need to inject a large number of military airplanes into a sky that typically handles only a few hundred.” [Air Force Times, 2000] However, Czabaranek will tell the 9/11 Commission that the ATSC is “not part of [the] FAA/NORAD hijack notification process.” [9/11 Commission, 4/14/2004]
Presence of ATSC Officers a 'Fluke' - According to Aviation Week and Space Technology, the presence of the three ATSC officers at the FAA Command Center this morning is a “fluke,” since the Pentagon staffs the military cell “only three days per month for refresher training, but September 11 happened to be one of those days.” [Aviation Week and Space Technology, 12/17/2001]
Cell Handles Aircraft after Airspace Shut Down - Later in the day, after the national airspace has been shut down (see (9:45 a.m.) September 11, 2001), the ATSC personnel will coordinate actions relating to military and other special flights that are permitted to fly. [9/11 Commission, 2003] They will be responsible for validating the requests they receive for the movement of aircraft, and issuing permissions in response to those requests. [Federal Aviation Administration, 3/21/2002 pdf file]

Entity Tags: Air Traffic Services Cell, US Department of the Air Force, North American Aerospace Defense Command, Federal Aviation Administration, Kevin Bridges, Jeff Griffith, Michael-Anne Cherry, Brian Meenan, John Czabaranek

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

The FAA sets up a hijacking teleconference with several agencies, including the Defense Department. This is almost one hour after the FAA’s Boston flight control began notifying the chain of command (see 8:25 a.m. September 11, 2001) and notified other flight control centers about the first hijacking at 8:25 a.m. (see 8:25 a.m. September 11, 2001). According to the Acting FAA Deputy Administrator Monte Belger, this teleconference (called the “hijack net”) is “the fundamental primary source of information between the FAA, [Defense Department], FBI, Secret Service, and… other agencies.” Yet even after the delay in setting it up, FAA and Defense Department participants later claim it plays no role in coordinating the response to the hijackings. The 9/11 Commission says, “The NMCC [National Military Command Center inside the Pentagon] officer who participated told us that the call was monitored only periodically because the information was sporadic, it was of little value, and there were other important tasks. The FAA manager of the teleconference also remembered that the military participated only briefly before the Pentagon was hit.” [9/11 Commission, 6/17/2004; 9/11 Commission, 7/24/2004, pp. 36] According to a statement provided by the FAA to the 9/11 Commission in 2003, this teleconference began significantly earlier—“[w]ithin minutes after the first aircraft hit the World Trade Center” (see (8:50 a.m.) September 11, 2001). [9/11 Commission, 5/23/2003]

Entity Tags: Federal Aviation Administration, Monte Belger, US Department of Defense, 9/11 Commission

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Sabra Kaulia.Sabra Kaulia. [Source: Aircraft Owners and Pilots Association]The US Air Force liaison to the FAA joins a teleconference that has been established by the FAA shortly after the time of the Pentagon attack, according to her own later recollections, although an FAA statement will claim she joined it significantly earlier. [9/11 Commission, 5/23/2003; 9/11 Commission, 3/26/2004; US Department of Transportation, 8/31/2006 pdf file]
Watches Television, Does Not Join Teleconference - The Air Force liaison, Colonel Sheryl Atkins, will recall that she arrived at FAA headquarters in Washington, DC, around five to 10 minutes after the first attack in New York (see (Between 8:51 a.m. and 8:56 a.m.) September 11, 2001), and went to her fourth-floor office there. She will describe: “Everybody was there around the TV. We watched the events unfold. At first, we were kind of hanging back and saying, you know, ‘there’s something awful going on with the air traffic system.‘… But at a certain point, not too long after that, it became obvious that, you know, something really strange is going on.”
Heads to Situation Room - Shortly after 9:37 a.m., when the Pentagon is hit, Atkins hears CNN reporting a bomb may have gone off at the Pentagon. She will recall that she then heads up to the 10th floor of the headquarters building along with Sabra Kaulia, the program director for air traffic airspace management, and goes to the air traffic situation room, where David Canoles, the FAA’s manager of air traffic evaluations and investigations, is participating in a teleconference. [9/11 Commission, 3/26/2004; US Department of Transportation, 8/31/2006 pdf file] According to a 2003 statement provided by the FAA, the FAA established this teleconference with several other agencies “[w]ithin minutes” of the first attack in New York (see (8:50 a.m.) September 11, 2001). [9/11 Commission, 5/23/2003] Atkins will say she is then “in and out” of the air traffic situation room throughout the morning. She does not speak with any of the military representatives at the White House, but does work directly with Steve Nolte, the airspace manager at NORAD, and also communicates with Lieutenant Colonel Michael-Anne Cherry, who is at the FAA’s Herndon Command Center, to exchange information. [9/11 Commission, 3/26/2004]
FAA Claims Atkins Joined Teleconference Earlier - In a 2003 statement it provides to the 9/11 Commission the FAA will say Atkins joined the teleconference significantly earlier than she claims. According to the statement, the “US Air Force liaison to the FAA [i.e. Atkins] immediately joined the FAA headquarters phone bridge” that was set up minutes after the first attack in New York, “and established contact with NORAD on a separate line.” [9/11 Commission, 5/23/2003]
Other Liaisons Arrive Later On - As well as Atkins, who represents the Air Force, liaisons representing the other three military services within the Department of Defense (the Army, the Navy, and the Marine Corps) work at FAA headquarters. However, Atkins is the only military liaison currently there. The Navy and Marine Corps liaisons will arrive at FAA headquarters at around 10:30 a.m. and join Atkins on the building’s 10th floor, from where they help establish and maintain critical communications channels between the Defense Department and the FAA. The Army liaison will not arrive at FAA headquarters until the following day. [Federal Aviation Administration, 3/21/2002 pdf file; 9/11 Commission, 3/26/2004]

Entity Tags: Sheryl Atkins, David Canoles, Sabra Kaulia

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

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