AC 20-115

The Advisory Circular AC 20-115, Airborne Software Assurance, identifies the RTCA published standard DO-178 as defining a suitable means for demonstrating compliance for the use of software within aircraft systems. The present revision C of the circular identifies DO-178 Revision C as the active revision of that standard.

This AC calls attention to DO-178C as a means, but not the only means to secure FAA approval of software. Earlier revisions of the AC were brief, serving little more than to call attention to active DO-178 revisions. Revision C is considerably longer, giving guidance in how to transition from DO-178 revision B to C.[1]

Revision History

History of AC 20-115
RevisionYearSummary
AC 20-115A Called attention to RTCA DO-178A.[2]
AC 20-115B 1993 Called attention to RTCA DO-178B.[3]
AC 20-115C 2013 Calls attention to RTCA DO-178C. Provides guidance for transition from Rev B to Rev C.[4]
AC 20-115D 2017 Minor updates largely to harmonize with EASA guidance.[5]

References

  1. ↑ AC 20-115C
  2. ↑ Malvern J. Atherton (2005). System Theoretic Framework for Assuring Safety and Dependability of Highly Integrated Aero Engine Control Systems (PDF). Massachusetts Institute of Technology. Retrieved 24 Jan 2016. It refers to AC 20-115A (superseded by B [6]), which itself identifies DO-178B [2] as defining a suitable means for demonstrating compliance for the use of software within aircraft systems.
  3. ↑ AC 20-115B
  4. ↑ AC 20-115C
  5. ↑
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