Face each Stage of Involvement knowing what the reviewers will find — because you found it first.

Every DO-178C program faces Stage of Involvement reviews, in which the certification authority or its designees examine the program's plans, data, and evidence at defined points in the lifecycle. Each SOI samples specific artifacts. Each is scheduled well in advance. Which means each one can be prepared for — deliberately, not frantically.

The SOI Readiness Review is a focused examination of the artifacts your upcoming SOI will actually examine, performed four to eight weeks ahead of the review — while there is still time to correct what it finds.

What each review covers:

• Before SOI-1 (Planning): the plan set (PSAC, SDP, SVP, SCMP, SQAP), standards, and tool qualification planning — reviewed for internal consistency, standard alignment, and the commitments the rest of the program will be held to.
• Before SOI-2 (Development): requirements, design, code, and traceability — including sampled trace threads of the kind reviewers pull, and conformance to the program's own standards.
• Before SOI-3 (Verification): test procedures and results, structural coverage analyses, and the defensibility of coverage rationale and analysis-based credit.
• Before SOI-4 (Final): final evidence assembly, the Software Accomplishment Summary, open problem report dispositions, and overall conformity of the certification package.

Each readiness review delivers:

• A written findings report identifying omissions, inconsistencies, and weak rationale — prioritized by likelihood of becoming a finding
• A working session with your team on the questions reviewers are most likely to ask, and how the evidence answers them
• A clear, ranked set of actions for the weeks remaining before the review

Optional audit-window support is available: experienced help fielding questions, running down issues, and drafting responses while the review is underway.

Best for: first DO-178C certifications; programs working with a new DER or unfamiliar authority expectations; programs that received findings at a prior SOI and intend not to repeat the experience.

Engagement structure: a fixed-scope engagement per SOI, or a four-review series arranged at program start covering the full SOI calendar.