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Team 8 W ork Paper GSA-001May 30, 2003SUBJECT: FAA Air Traffic Control (ATC) AdvisoriesATTACHMENT: Spread Sheet

1. Summary. Attached sheet depicts the universe of ATC advisories issued by theFAA and selected Canadian advisories. Informa tion important to the 9/11 story isbolded in red. The first ground stop advisory, for New York, was issued at 0908EDT . A Boston ground stop advisory followed at 0926 EDT , followedimm ediately by a W ashington D.C . area ground stop at 0929 EDT . Conc urrentwith the latter a national em ergenc y ground stop was issued for all departures, allairports. [Note, this is all before AA77 flies into the Pentagon] At 1106 EDT byorder of the Federal Aviation Com mand Center all airports/airdromes are notauthorized for landing and takeoff. At 1918 EDT FAA convened a user hotlineconference to determine what airplanes were where, on the ground, and to begindiscussion of opening of airports.2. FAA issued 45 advisories that day; the first one to concern hijacking events was#27. According to an FAA-comm issioned study published M arch 6, 2000(Traffic Flow Managem ent: ATC Coordinator's Information Requirements for theNA S), FAA issues as many as 150 advisories on any given day. Ac cording to thesame study, the ATCSCC Advisory system "supplies the airlines w ith a list ofNA S [National Air Space] restrictions. These advisories are transmitted system-wide in the form of text m essages that appear in a text window on the airline'sproprietary flight management system. The advisories can be copied, printed,forwarded, and deleted. At most airlines, advisories are copied into the daily log

and printed."3. The referenc e study was com mission to "examine the com munic ation structureand inform ation requirem ents of personnel directly involved in mana ging the flowof air traffic within the NA S." Interestingly, am ong all the potentialities for airspace managment discussedweather, airport closures, traffic density, etctherewas no discussion or consideration of hijack ing, pirating, or passengerintervention such as attempting to enter the co ckpit.4. Team 8 provides this work paper as piece of the 9/11 puzzle, a piece relevant toTeam s 7 and 9, but of interest to all teams, g enerally. The paper is intended as astand alone docum ent based on inform ation provided by FAA in response to adocument request.

Drafter: Miles Kara

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Air Traffic Control System Command CenterAdvisories Issued 9/11/01

NumberUSA00100200300400500600700800901001 101 2013014015016017018019020021022023024025

Z Time0022003100440049005400580116012101240127021602500318035707490906091109341010101411151127112811421200026 1256

027028029030031032033034035036

037

038

1308131913261329132913311338141714571506

1645

1659

EOT102022102031102044100049100054102058102116102121102124102127102206102250102318102357034905060511

0514061006140715072707280742080008560908091309260929092909310938101710571106

1245

1259

Details

Ground Stop ZNY GroundStop, all flights arriving or transitingZNY

Bos [Boston] Ground StopIAD/BWI/DCA/ZDC [Wash area] Ground Stop System EmergencyGround Stop All Departures, all airports, all facilities Due to NationalEmergencyLAX/ZLA (Los Angeles) Ground StopSFP/ZOA (San Francisco) Ground StopUser Hotline activation. ATCSCC has activated the user hotline as a means ofrapid information flow.FDC Special Notice. By order of the Federal Aviation Command Center allairports/airdromes are not authorized for landing and takeoff. All trafficincluding airborne aircraft areencouraged to land shortly, including allhelicopter traffic. Aircraft involved in firefighting in the Northwest US areexcluded. Please read this notice over the emergency frequenceies, and VORvoice.Request to Utilize the National Airspace System, ATCSCC advises all requestsfor medical emergency, military, law enforcement or other absolutely essentialflight clearnaces in the continental Untied States are to bemade throughyourservicing FAA ARTCC on an individual basis.Part II of above advisory

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Air Traffic ControlSystem Comm and CenterAdvisories Issued 9/11/01

039040041

042043044

045CANADAMontreal 002

Toronto 001

Toronto 003Toronto 004Toronto 005

Totonto 007

174617571830

201421302318

23181420155

124813081344

1443

134613571430

161417301918

19181020

1002155

084809080944

1043

All military flights requesting to depart are requested to forward their requeststhrough military channelsUpdates Advisory #038Requests to use the national airspace system, servicing FAAARTCC's areauthorized to release medical emergency, military, and law enforcement flightsinto the National Airspace SystemReplaces #41, same informationUser hotline/conference activation. Airline representatives should havefollowing information available and be prepared to discuss following issues:How many diverted flights their companies have? Locations of their divertedflights: Priority of recovery? Minimum number and identity of airportsconsidered necessary to resume operations? Priority of airport openings?Security plans call for all airports to undergo a security check. Security issuesmay vary at different airports and not all airports will be available when NASoperations resume. Airports being used in conjunction with emergencyrecovery will have reduced AAR's.Coprrection to above, changes phone numbersGround Stop, at CZM request all Canadian departures destined CZM CZQ areground stopped [CZM=Montreal, CZQ=Quebec]Reference NOT AM PAZA A0208/01Due to Russian military activity -flight isprohibited between [certain locations], effective 9/11/01 to9/15/01Users are advised that Toronto 001 was issued in error. Users are to refer toNO TAM PAZA A0208/01 for correct informationAll A/C from CZYdestined to NewYork area are ground stopped UFN.A A/C destined to/or through USA are ground stopped UFN. A/C airborne clearof American airspace will land ASAPoutside of continentalUSAGround Stop. Ottawa has implemented a ground stop for all IFR7VFR trafficthroughout the country until further notice.