01807nam 2200433 a 450 991069322040332120050512134445.0(CKB)5470000002361324(OCoLC)60351755ocm60351755(OCoLC)995470000002361324(EXLCZ)99547000000236132420050512d2005 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierAir traffic control[electronic resource] preliminary observations on commercialized air navigation service providers : testimony before the Subcommittee on Aviation, House Committee on Transportation and Infrastructure /statement of Gerald L. Dillingham[Washington, D.C.] :U.S. Government Accountability Office,[2005]Testimony ;GAO-05-542 TTitle from title screen (viewed on May 6, 2005)."For release ... April 20, 2005."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.Air traffic control Air traffic controllersEvaluationAir traffic controlEvaluationAir traffic controllersEvaluation.Air traffic controlEvaluation.Dillingham Gerald Lee1947-1381675United States.Government Accountability Office.United States.Congress.House.Committee on Transportation and Infrastructure.Subcommittee on Aviation.GPOGPOBOOK9910693220403321Air traffic control3424833UNINA