LEADER 01301nam  2200385Ia 450 
001 9910697925303321
005 20090122142523.0
035   $a(CKB)5470000002393743
035   $a(OCoLC)299064109
035   $a(EXLCZ)995470000002393743
100   $a20090122d1977      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aImportance of transponder operation and altitude reporting$b[electronic resource]
210  1$a[Washington, D.C.] :$cDept. of Transportation, Federal Aviation Administration,$d[1977]
215   $a2 pages $cdigital, PDF file
225 1 $aAdvisory circular ;$vAC no. 91-50
300   $aTitle from PDF caption (viewed Jan. 22, 2009).
300   $a"8/24/77."
606   $aTransponders
606   $aAirplanes$xRadio equipment$xAltitudes
606   $aAirplanes$xRadar$xEquipment and supplies$xAltitudes
615  0$aTransponders.
615  0$aAirplanes$xRadio equipment$xAltitudes.
615  0$aAirplanes$xRadar$xEquipment and supplies$xAltitudes.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910697925303321
996   $aImportance of transponder operation and altitude reporting$93103795
997   $aUNINA