LEADER 01255nam 2200361Ia 450 001 9910698050103321 005 20090217110538.0 035 $a(CKB)5470000002394502 035 $a(OCoLC)308362376 035 $a(EXLCZ)995470000002394502 100 $a20090217d2001 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAir carrier operational approval and use of TCAS II$b[electronic resource] 210 1$a[Washington, D.C.] :$cU.S. Dept. of Transportation, Federal Aviation Administration,$d[2001] 215 $a1 volume (various pagings) $cdigital, PDF file 225 1 $aAdvisory circular ;$vAC no. 120-55B 300 $aTitle from PDF caption (viewed Feb 17, 2009). 300 $a"10/22/01." 300 $aAC 120-55A, dated August 27, 1993, is cancelled. 606 $aAirplanes$xCollision avoidance 606 $aFlight control$xElectronic equipment 615 0$aAirplanes$xCollision avoidance. 615 0$aFlight control$xElectronic equipment. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910698050103321 996 $aAir carrier operational approval and use of TCAS II$93180753 997 $aUNINA