01658nam 2200397 a 450 991069318340332120041207131053.0(CKB)5470000002359678(OCoLC)57180546ocm57180546(OCoLC)995470000002359678(EXLCZ)99547000000235967820041207d2004 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierAir traffic control[electronic resource] FAA needs to ensure better coordination when approving air traffic control systems : report to the Chairman, Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives[Washington, D.C.] :U.S. Government Accountability Office,[2004]Title from title screen (viewed on Dec. 1, 2004)."November 2004."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548."GAO-05-11."Includes bibliographical references.Air traffic control Air traffic controlUnited StatesSafety measuresEvaluationAir traffic controlSafety measuresEvaluation.United States.Federal Aviation Administration.United States.Congress.House.Committee on Transportation and Infrastructure.Subcommittee on Aviation.GPOGPOBOOK9910693183403321Air Traffic Control2049120UNINA