01252nam 2200337Ka 450 991069763580332120081016155306.0(CKB)5470000002390606(OCoLC)262622724(EXLCZ)99547000000239060620081016d1993 ua 0engtxtrdacontentcrdamediacrrdacarrierRTCA, Inc., Document RTCA/DO-178B[electronic resource][Washington, D.C.] :U.S. Dept. of Transportation, Federal Aviation Administration,[1993]1 unnumbered page digital, PDF fileAdvisory circular ;AC no: 20-115BAdvisory Circular 20- 115A, Radio Technical Commission for Aeronautics (RTCA) Document RTCA/DO-178A, dated March 1985, is canceled.Title from PDF file caption (viewed Oct. 15, 2008).Document RTCA/DO-178BRadio Technical Commission for Aeronautic, Inc. Document RTCA/DO-178BRadio in aeronauticsStandardsRadio in aeronauticsStandards.GPOGPOBOOK9910697635803321RTCA, Inc., Document RTCA3138450UNINA