Part 23 certification basis support for surveillance equipment

When this review is needed

• surveillance equipment is moving toward submittal and Part 23 evidence needs a clear map.
• A finding or internal review asks how normal-category aircraft certification-basis mapping are shown for the product.
• The product configuration changed and the Part 23 evidence has not been reconciled.

The problem

Part 23 evidence can become scattered across plans, reports, traces, and configuration records. For surveillance equipment, the weak point is usually connecting those records to transponder, ADS-B, antenna, and installation substantiation.

What gets reviewed

• Part 23 certification basis objectives or expectations relevant to surveillance equipment
• Evidence covering transponder, ADS-B, antenna, and installation substantiation
• Certification basis, compliance matrix, and current document revisions
• Configuration assumptions that affect the standard's application
• Open gaps where the evidence does not support the stated claim

What gets validated

• normal-category aircraft certification-basis mapping are mapped to evidence rather than left as a standard reference
• surveillance equipment assumptions are stated in the evidence package
• Cited reports, traces, and plans match the current configuration
• Open gaps are tied to evidence owners and closure actions
• The map distinguishes applicable objectives from excluded or out-of-scope items

Evidence normally required

• Part 23 compliance or evidence matrix
• surveillance equipment certification evidence package
• Certification basis and means-of-compliance plan
• Configuration baseline and current revisions

Common discrepancies

• Part 23 is cited without mapping the relevant evidence
• surveillance equipment assumptions are missing from the qualification or lifecycle data
• Evidence revisions changed after the matrix was built
• A finding asks for traceability that the package does not show

What is at stake

If the standards map is unclear, reviewers ask for explanations that should already be in the package. That creates avoidable cycles across certification, engineering, and test teams.

How the work runs

What the buyer receives

• A Part 23 evidence map for surveillance equipment
• A gap list tied to the certification basis and product configuration
• A closure sequence for missing or stale evidence

Who uses the output

• Certification leads preparing a standards-based submittal
• Engineering and test teams closing evidence gaps
• Program management tracking review risk

How the work fits into the transaction or program

The support fits inside a TSO, STC, ETSO, major-change, or installation approval workstream where standards evidence must be understandable to a reviewer outside the design team.

Regulatory limits

The work maps and reviews applicant evidence. It does not certify compliance, issue approvals, or act for a regulator.

What this review does not cover

• Acting as the authority or authorized finding signatory
• Running qualification tests unless separately scoped
• Writing the product design data from scratch

Specific to this review

• Part 23 support is useful when it states how the standard applies to surveillance equipment, not only that the standard is listed.
• transponder, ADS-B, antenna, and installation substantiation can change which parts of Part 23 evidence receive the closest review.
• A standards map reduces review cycles because it ties each claim to current evidence and configuration assumptions.
• A part 23 certification basis support for surveillance equipment should make the evidence path visible enough for systems engineer and software assurance owner to defend it without relying on meeting memory. The review should separate hardware assurance objective from safety assessment feedback, then show where the team must update the compliance matrix or attach the verification record. The reviewer question is how the safety assessment feeds back into requirements, and the deliverable should read as a continued-airworthiness addendum.
• The strongest package names the owner for continued-airworthiness task link, conformity article identity, and finding disposition. If the current data cannot answer whether quality records support the submitted article, the closure plan should restate the unsupported claim before the evidence is used in a formal response. That keeps hardware assurance owner from carrying an open technical question as if it were only a document-control issue.
• For this certification page, the useful output is a test evidence boundary note that tells qualification test owner what evidence must be frozen before submittal. It should state when to connect the finding response to records, when to document the installation assumption, and how which claim the document supports affects the claim. That makes the package easier to review across certification, engineering, test, and quality without changing the applicant's role.
• The page is intentionally scoped around part 23 certification basis support for surveillance equipment, so the evidence should be checked for finding disposition before submittal. A good final packet leaves a compliance claim support file and a certification review worklist, with enough context to answer whether the evidence still matches the submitted configuration and enough discipline to avoid treating an unsupported claim as closed.
• part 23 certification basis support for surveillance equipment should give finding-response owner a path from Part 23 and DO-160G and DO-178C to part 23 evidence map, not only a folder of supporting files. The review checks means-of-compliance logic, answers who owns the next closure action, and leaves a closure-sequenced action list before part 23 evidence mapping becomes a formal package.
• For part 23 evidence mapping, the evidence problem usually appears where conformity coordinator and program manager use different baselines. part 23 certification basis support for surveillance equipment should compare installation assumption with environmental category selection and decide whether to document the installation assumption before citing the record.
• FAA and EASA review of part 23 certification basis support for surveillance equipment needs closure language that a delegated or authority reviewer can follow. The package should state how the safety assessment feeds back into requirements, attach a test evidence boundary note, and keep assign the evidence owner separate from unresolved engineering judgment.
• The deciding control for part 23 certification basis support for surveillance equipment is whether part 23 evidence map still matches the submitted configuration. compliance matrix owner should test objective-evidence currency, record what evidence must be frozen before submittal, and use a certification review worklist when a reference is stale or incomplete.
• Part 23 and DO-160G and DO-178C evidence can look complete while the claim remains unsupported. For part 23 certification basis support for surveillance equipment, the review isolates means-of-compliance logic, asks whether the evidence still matches the submitted configuration, and turns the answer into a reviewer-ready evidence trail instead of another meeting action item.
• A useful applicant-side package for part 23 certification basis support for surveillance equipment shows where certification, engineering, test, and quality agree. It assigns document-control lead to installation assumption, names when to restate the unsupported claim, and preserves a basis-indexed data map for later review.
• Before part 23 evidence mapping advances, part 23 certification basis support for surveillance equipment should separate missing objective evidence from disagreement about the claim. The reviewer checks software level objective, answers whether the basis requirement is fully represented, and avoids using document the installation assumption as a substitute for evidence.
• part 23 certification basis support for surveillance equipment is strong when the closure record can be read without meeting history. The packet should connect certification lead to part 23 evidence map, document safety assessment feedback, and leave an objective-evidence table that explains why the item is ready, blocked, or out of scope.
• For FAA and EASA, the practical test is whether a reviewer can see whether the finding response can be read without meeting history from the record itself. part 23 certification basis support for surveillance equipment should tie conformity article identity to Part 23 and DO-160G and DO-178C, then use confirm the qualification category only after the supporting revision is clear.
• The final check for part 23 certification basis support for surveillance equipment measures reviewability instead of page count: a product-context evidence brief should show where the continued-airworthiness obligation is captured, assign hardware assurance owner, and keep test-report boundary aligned with the current article, installation, or change baseline.

Sources

Frequently asked questions

Relevant glossary terms

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