DO-178C 生命周期数据资料 - SAS 内容总结和模板文件

本文主要内容为DO-178C 11.20中规定的软件完结综述（Software Accomplishment Summary，SAS）文档的内容总结和模板文件。

1、SAS内容总结

SAS总结DO-178C符合性活动。SAS 包含许多与 PSAC 相同的材料（包括系统概述、软件概述、认证注意事项、生命周期摘要、生命周期数据摘要或参考）。 此外，SAS 还确定了以下内容：The SAS summarizes the DO-178C compliance effort.The SAS contains much of the same material as the PSAC (including the system overview, software overview, certification considerations, life cycle summary, life cycle data summary or reference). Additionally, the SAS identifies the following:

1. 与已批准的计划和流程的偏差（这通常在 SAS 中注明并在附录中进行总结）。 例如，如果实际使用的工具与计划的不同，则应予以解释。Deviations from the approved plans and processes (this is often noted throughout the SAS and summarized in an appendix). For example, if the actual tools used differed from what was lanned, this should be explained.

 2. 待批准的软件配置。Configuration of the software to be approved.

 3. 开放或延期的问题报告 (PR)，包括其不影响安全性、功能、操作或合规性的理由。 通常，会使用一个表格来总结在认证或 TSO 授权时尚未解决的所有 PR 的以下信息：Open or deferred problem reports (PRs), including a justification of why they do not impact safety, functionality, operation, or compliance. Normally, a table is included to summarize the following information for all PRs that have not been resolved at the time of certification or TSO authorization:

        a. PR编号 PR number
        b. PR标题 PR title
        c. 开放日期 Date opened
        d. 问题描述，包括根因及受影响的资料 Description of the problem, including root case (if             known) and impacted data
        e. 分类 Classification (see Chapter 10 for discussion on PR classifications)
        f. 推迟的理由，包括为什么问题不会对安全、功能、操作或法规合规性产生负面影响                 Justification for deferral, including why the problem does not negatively impact safety,                   functionality, operation, or compliance to the regulations (including XX.1301 and            XX.1309)*
        g. 缓解手段（如果适用）（例如，操作限制或功能限制）Mitigation means, if applicable                   (e.g., operational limitations or functional restrictions)
        h. 与其他打开PR的关系 Relationship to other open PRs

4. 已解决的PR:如果SAS是针对后续认证或基于先前开发的软件，则标识自上次批准以来的所有PR或更改请求(在SAS或SCI中)。Resolved PRs: If the SAS is for a follow-on certification or based on previously developed software, all PRs or change requests since the last approval are identified (either in the SAS or SCI).
5. 软件特性，例如可执行目标代码的大小、时间余量和内存余量。第9章讨论了确定这些特征的分析。The software characteristics, such as size of executable object code, timing margins, and memory margins. Chapter 9 discusses the analyses to determine these characteristics.
6. 一份合规性声明，说明软件符合DO-178C和任何其他认证要求。通常，SAS包括或引用一个合规性矩阵，总结每个DO-178C目标是如何得到满足的，以及证明合规性的数据。A compliance statement stating that the software complies with DO-178C and any other certification requirements. Frequently, the SAS includes or references a compliance matrix summarizing how each DO-178C objective is satisfied and the data that proves the compliance.

2、SAS模板

 详情见附件内容。