LEADER 01860oam 2200481Ia 450 001 9910697975103321 005 20090430140537.0 035 $a(CKB)5470000002393239 035 $a(OCoLC)318693671 035 $a(EXLCZ)995470000002393239 100 $a20090122d2008 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPilot English language proficiency and the prevalence of communication problems at five U.S. air route traffic control centers$b[electronic resource] /$fO. Veronika Prinzo, Alfred M. Hendrix, Ruby Hendrix 210 1$aWashington, DC :$cFederal Aviation Administration, Office of Aerospace Medicine,$d[2008] 215 $a37 unnumbered pages $cdigital, PDF file 300 $aTitle from title screen (viewed Apr. 30, 2009). 300 $a"October 2008." 300 $a"DOT/FAA/AM-08/21.". 300 $a"OK-09-0434." 320 $aIncludes bibliographical references (page 21). 606 $aAeronautics$xCommunication systems 606 $aAeronautics$xSafety measures 606 $aAir traffic controllers 606 $aAirplanes$xPiloting$xHuman factors 615 0$aAeronautics$xCommunication systems. 615 0$aAeronautics$xSafety measures. 615 0$aAir traffic controllers. 615 0$aAirplanes$xPiloting$xHuman factors. 700 $aPrinzo$b O. Veronika$01381114 701 $aHendrix$b Alfred M$01391580 701 $aHendrix$b Ruby$01391581 712 02$aUnited States.$bOffice of Aerospace Medicine. 801 0$bDTICE 801 1$bDTICE 801 2$bGPO 906 $aBOOK 912 $a9910697975103321 996 $aPilot English language proficiency and the prevalence of communication problems at five U.S. air route traffic control centers$93445491 997 $aUNINA