01852nam 2200433 a 450 991070123040332120111214084825.0(CKB)5470000002416756(OCoLC)768330999(EXLCZ)99547000000241675620111214d2011 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNext Generation Air Transportation System[electronic resource] FAA has made some progress in implementation, but delays threaten to impact costs and benefits : testimony before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives /statement of Gerald L. Dillingham[Washington, D.C.] :U.S. Govt. Accountability Office,[2011]1 online resource (10 pages)Testimony ;GAO-12-141TTitle from PDF title screen (viewed Dec. 7, 2011)."For release ... October 5, 2011."Includes bibliographical references.Next Generation Air Transportation System Aeronautics and stateUnited StatesAir traffic controlUnited StatesAutomationAeronautics, CommercialUnited StatesAeronautics and stateAir traffic controlAutomation.Aeronautics, CommercialDillingham Gerald Lee1947-1381675United States.Congress.House.Committee on Transportation and Infrastructure.Subcommittee on Aviation.United States.Government Accountability Office.GPOGPOBOOK9910701230403321Next Generation Air Transportation System3424961UNINA