History of AC 20-115 Revision Year SummaryAC  20-115A 1985 Called attention to RTCA DO-178A.AC 20-115B 1993 Called attention to RTCA DO-178B.AC 20-115B, FAA, 1993. AC 20-115C 2013 Calls attention to RTCA DO-178C. Provides guidance for transition from Rev B to Rev C.AC 20-115C, FAA, 2013. AC 20-115D2017Minor updates largely to harmonize with EASA guidance.AC 20-115D, FAA, Office AIR-134, 2017. "The technical content of this AC is as far as practicable harmonized with European Aviation Safety Agency (EASA) AMC 20-115D, equally based on ED-12C/DO-178C."
History of AC 20-115 Revision Year SummaryAC 20-115 1982 Called attention to RTCA DO-178.AC 20-115A 1986 Called attention to RTCA DO-178A.AC 20-115B 1993 Called attention to RTCA DO-178B.AC 20-115B, FAA, 1993. AC 20-115C 2013 Calls attention to RTCA DO-178C. Provides guidance for transition from Rev B to Rev C.AC 20-115C, FAA, 2013. AC 20-115D2017Minor updates largely to harmonize with EASA guidance.AC 20-115D, FAA, Office AIR-134, 2017. "The technical content of this AC is as far as practicable harmonized with European Aviation Safety Agency (EASA) AMC 20-115D, equally based on ED-12C/DO-178C."
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20-115 1982 Called attention to RTCA DO-178.AC
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