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Where in the Appendix |
File name in SW
Safety Standard |
Purpose of File |
1 |
Section A.2 Software Safety Criticality Assessment (SSCA)
In last line of chart |
SSCA Form.docx |
Form to document the results of the Software Safety
Criticality Assessment (SSCA) which are required to be documented and
approved.
This form is preferred but optional. |
| 2 |
A.4 Part 2 Software Risk Assessment and Applicability Matrix.
Section c
Below Table A-4 |
SSS Appendix A-2 Example combined software Risk index
table.xlsx |
An example of how many of the tables in Appendix A could
be combined and the software risk index derived. |
| 3 |
A.4 Part 2 Software Risk Assessment and Applicability Matrix.
Section d. |
SSS Applicability Matrix.xlsx |
The SSS Applicability Matrix lists every requirement in
this standard and provides some pre-tailoring of those requirements based on
the Software Safety Prioritized Risk Index (SW Control Risk Level vs Likelihood of Occurrence) |
4 |
Appendix B
B.2 Trace from Revision B to Revision C |
Trace from Rev B to Rev C.xlsx |
Provides the trace to where the corresponding requirements
from the previous version (B) of the standard are to be found in this version
(C) of the SW Safety Standard |
5 |
B.3 Trace Matrix for Revision C Compliance |
SSS Rev C Matrix.xlsx |
A standardized table for the acquirer and provider of
program/projects/facilities to ensure compliance to the requirements of this
standard. Should be filled out for
each Program/project/facility and where compliance is not met, explanations
of why and perhaps related to appropriate waiver.
This can also be filled out on an overall SW Assurance
organizational basis. |
6 |
Appendix
D |
SSS Appendix D.docx |
List of software safety Must Work and Must Not Work
requirements recommended to be considered on any project/facility. Expansion of official SW Safety engineering
requirements found in NPR 7150.2 [SWE-134] |
7 |
Appendix
E |
SSS Appendix E.docx |
List of generic software defects that need to be
considered when assessing software’s possible contributions to system fault,
failures and potential hazards |
8 |
Appendix
F.2 |
SSS Appendix F-4 COTS Checklist.xlsx |
Checklist of things to consider investigating and asking
about when COTS, Reuse, Heritage code is used on a safety critical system |
9 |
Appendix
F.2 |
SSS Appendix F-1.docx |
Discussion on the use of COTS in a safety critical
software system and some of the things that should be thought about to ensure
the safety of a system with COTS. |
10 |
Appendix
F.3 |
F-2 SW Safety Cklist for tools
EXAMPLE.docx |
Software Safety checklist for SW tools, an example filled
out |
11 |
Appendix
F.3 |
SSS Appendix F-2a SW Safety Cklist for SW tools blank.docx |
Software Safety checklist for SW tools, a blank checklist
to be modified and added to as needed. |
12 |
Appendix F.4 |
SSS Appendix F-3.docx |
Defines software safety and configuration management needs
for ground based facility software. |
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