01467nam 2200409 a 450 991069321400332120050517085814.0(CKB)5470000002361389(OCoLC)60384406ocm60384406(OCoLC)995470000002361389(EXLCZ)99547000000236138920050517d2005 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierNational Airspace System[electronic resource] experts' views on improving the U.S. Air Traffic Control Modernization program : GAO panel[Washington, D.C.] :U.S. Government Accountability Office,[2005]Title from title screen (viewed on May 5, 2005)."April 2005."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548."GAO-05-333SP."Includes bibliographical references.National Airspace System National Airspace System (U.S.)Air traffic controlUnited StatesNational Airspace System (U.S.)Air traffic controlUnited States.Government Accountability Office.GPOGPOBOOK9910693214003321National Airspace System3424084UNINA