01865nam 2200433 a 450 991069331170332120050817092810.0(CKB)5470000002362321(OCoLC)61278000(EXLCZ)99547000000236232120050817d2005 ua 0engurmn|---|||||txtrdacontentcrdamediacrrdacarrierNational Airspace System[electronic resource] initiatives to reduce flight delays and enhance capacity are ongoing but challenges remain : testimony before the Subcommittee on Aviation, Committee on Commerce, Science, and Transportation, U.S. Senate /statement of Gerald L. Dillingham[Washington, D.C.] :U.S. Government Accountability Office,[2005]Testimony ;GAO-05-755 TTitle from title screen (viewed on Aug. 9, 2005)."For release ... May 26, 2005."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.National Airspace System AirportsUnited StatesPlanningNational Airspace System (U.S.)AirportsUnited StatesTraffic controlAirportsPlanning.National Airspace System (U.S.)AirportsTraffic control.Dillingham Gerald Lee1947-1381675United States.Congress.Senate.Committee on Commerce, Science, and Transportation.Subcommittee on Aviation.United States.Government Accountability Office.GPOGPOBOOK9910693311703321National airspace system3427694UNINA