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GAO-07-928R 1 (2007-05-30)

handle is hein.gao/gaocrptavnc0001 and id is 1 raw text is: GA O Accountability * Integrity * Reliability United States Government Accountability Office Washington, DC 20548 May 30, 2007 The Honorable Jerry F. Costello Chairman Subcommittee on Aviation Committee on Transportation and Infrastructure House of Representatives Subject: Responses to Questions for the Record; Hearing on the Future of Air Traffic Control Modernization Dear Chairman Costello: This letter responds to your May 10, 2007, request that we address questions submitted for the record related to the May 9, 2007, hearing entitled The Future ofAir Traffic Control Modernization. Our answers to your questions are attached. Our responses are based on our previous work,' preliminary results of ongoing work, and our knowledge of the areas addressed by the questions. We prepared our responses during May 2007 in accordance with generally accepted government auditing standards. Because our responses are based on our previously issued products for which we sought and incorporated agency comments, as well as updates that we obtained through interviewing FAA officials and reviewing their documentation, we did not seek agency comments on our responses to these questions. We are sending copies of this letter to the Administrator, Federal Aviation Administration, and the Director, Joint Planning and Development Office. We will make copies available to others on request. This letter is also available on GAO's Web site at w w.gaogov. ' GAO, Next Generation Air Transportation System: Status of the Transition to the Future Air Traffic Control System, GAO-07 -784T (Washington, D.C.: May 9, 2007); Joint Planning and Development Office: Progress and Key Issues in Planning the Transition to the Next Generation Air Transportation System, G. AO-07-693'r (Washington, D.C.: Mar. 29, 2007); Federal Aviation Administration: Key Issues in Ensuring the Efficient Development and Safe Operation of the Next Generation Air Transportation System, GAO -0 7- 686T (Washington, D.C.: Mar. 22, 2007); and Next Generation Air Transportation System: Progress and Challenges Associated with the Transformation of the National Airspace System, CAOO7-25 (Washington, D.C.: Nov. 13, 2006). GAO-07-928R Responses to Questions from ATC Modernization Hearing

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