Software Accomplishment Summary

SAS

Section 08: Software Certification (DO-178C)

Definition

The primary certification document produced at the conclusion of the software development and verification process. The SAS provides a summary of the software lifecycle, including: the software identification (part number, version); the system and software overview; the software lifecycle processes used; deviations from plans and standards; a summary of the software verification results; the status of configuration management activities; a summary of open problem reports and their disposition; a statement of compliance with DO-178C objectives; and a description of any unresolved issues. The SAS is the certification authority's primary evidence that the software development and verification process has been completed in accordance with the approved plans.

Where This Shows Up

The SAS is reviewed at SOI #4 and is a key component of the certification evidence package. It provides the certification authority with a concise, authoritative summary of the software certification status. A well-written SAS enables the authority to efficiently assess compliance. The SAS must be honest about any deviations, open problem reports, or unresolved issues — attempting to conceal problems undermines the certification process and can have serious regulatory consequences.

Primary Sources

RTCA DO-178C, Section 11.20

Defines the content and purpose of the Software Accomplishment Summary.

FAA Order 8110.49 — Software Approval GuidelinesFAA

Describes the FAA's review of the SAS at SOI #4.

Artifacts Produced

SAS Document

Comprehensive summary document presenting the results of the software development and verification process for certification authority review.

Related Terms

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