Product certification
Fire detection and suppression equipment evidence review for DO-160G
This review is for equipment suppliers, OEMs, MROs responsible for fire detection and suppression equipment. It is triggered by fire-protection equipment qualification. EE checks detector response-time, false-alarm test data, environmental qualification for the fire zone, plus the governing plan or application, against DO-160G. Discrepancies include missing source records, mismatched configuration, unsupported assumptions, or response time proven in bench air but not in the installed airflow. Output includes Fire detection and suppression equipment gap register, Means of compliance map, Test and analysis request list.
When this review is needed
- Submittal planning has reached the fire detection and suppression equipment evidence package.
- A reviewer has questioned one cited claim or missing source record.
- A change to configuration, installation, or intended use may affect prior evidence.
- The program needs an exception list before formal review.
The problem
The hard part is proving the evidence needed for a fire/overheat detector or suppression bottle must substantiate, an equipment category no existing page covers, because the evidence turns on detector response time and false-alarm immunity, and for suppression on agent concentration/discharge over the zone plus bottle pressure integrity with records that match the reviewed configuration. A tidy index still fails if response time proven in bench air but not in the installed airflow or if the cited record belongs to another baseline.
What gets reviewed
- Review detector response-time against the configuration, installation, or claim under review.
- Compare false-alarm test data against the configuration, installation, or claim under review.
- Trace environmental qualification for the fire zone against the configuration, installation, or claim under review.
- Challenge suppression agent-concentration against the configuration, installation, or claim under review.
- Reconcile discharge-time substantiation against the configuration, installation, or claim under review.
- Confirm bottle burst/pressure data against the configuration, installation, or claim under review.
Scope this review
Tell us the asset, the event, and the evidence in scope, and we will outline a focused first engagement.
Identify what is missing against the means of compliance.
What gets validated
- Pass check: detector response-time must match the released configuration and the claimed means of compliance.
- Configuration check: false-alarm test data must match the released configuration and the claimed means of compliance.
- Trace check: environmental qualification for the fire zone must match the released configuration and the claimed means of compliance.
- Rationale check: suppression agent-concentration must match the released configuration and the claimed means of compliance.
- Closure check: discharge-time substantiation must match the released configuration and the claimed means of compliance.
Evidence normally required
- Controlled detector response-time
- Released false-alarm test data
- Signed environmental qualification for the fire zone
- Current suppression agent-concentration
- Archived discharge-time substantiation
- Supplier bottle burst/pressure data
Common discrepancies
- Gap: response time proven in bench air but not in the installed airflow.
- Mismatch: false-alarm immunity not tested against the real thermal environment.
- Unsupported claim: agent concentration not held for the required duration across the zone.
What is at stake
Late discovery can reopen tests, analysis, or plan wording after schedules have already assumed closure. The worst cases involve false-alarm immunity not tested against the real thermal environment because they need technical support, not cleaner prose.
How the work runs
Frame Fire Detection
Confirm the exact event, affected file set, buyer role, and decision standard before any detector response-time is treated as sufficient.
Trace TSO Evidence
Walk the named evidence from index entry to source artifact and mark where the trail supports, conflicts with, or fails to answer the page-specific question.
Sort Review 160g
Group exceptions by closure route: document retrieval, data correction, engineering disposition, authority response, or contractual decision.
Package Certification Response
Deliver the exception list, evidence map, and owner sequence in a form that can move directly into remediation, submittal cleanup, or transaction negotiation.
What the buyer receives
- Fire detection and suppression equipment gap register
- Means of compliance map
- Test and analysis request list
- Interface closure plan
Who uses the output
- Certification engineer assign closure actions from the exception register.
- qualification engineer use the map to locate source evidence.
- Product manager decide what can proceed and what must wait.
How the work fits into the transaction or program
What a fire/overheat detector or suppression bottle must substantiate, an equipment category no existing page covers, because the evidence turns on detector response time and false-alarm immunity, and for suppression on agent concentration/discharge over the zone plus bottle pressure integrity. The evidence set centers on detector response-time and false-alarm test data, environmental qualification for the fire zone (temperature, vibration, fluids), suppression agent-concentration and discharge-time. The likely weak points are response time proven in bench air but not in the installed airflow, false-alarm immunity not tested against the real thermal environment, and agent concentration not held for the required duration across the zone. The output gives the certification engineer a cleanup register for Fire detection and suppression equipment before fire-protection equipment qualification.
Start with a single asset
Reduce finding cycles by checking the package first.
Regulatory limits
EE organizes evidence and exceptions; it does not approve data, make compliance findings, determine airworthiness, or replace the applicant, designee, design organization, or authority.
What this review does not cover
- Regulatory approval or acceptance
- Design ownership or finding signature
- Physical conformity inspection
- Laboratory testing or manufacturing
Specific to this review
- Configuration identity matters because evidence from another baseline may prove a different article, load, or installation.
- A useful trail names the source record, revision, owner, and closure decision for each claim.
- The exception list separates document-control cleanup from gaps that need engineering substantiation.
- The finding pattern for this page is specific: response time proven in bench air but not in the installed airflow changes the strength of the certification argument.
- The scope uses the Fire Detection Suppression TSO question as the control point, so the review stays tied to Fire-protection equipment qualification and the buyer decision behind it.
- The evidence starts with Detector response-time and follows Evidence Equipment Review 160g references until every exception has a source location and a reason code.
- The finding logic separates missing paperwork, conflicting status, stale revision data, and unsupported disposition because each class closes through a different owner.
- The timing matters for Certification engineer: the output is useful only if the unresolved items are visible before acceptance, submittal, handback, or negotiation pressure fixes the sequence.
- The boundary control keeps Product Certification Response False questions in the records or certification lane and sends technical acceptance issues to the authorized people who own them.
- The handoff value comes from Fire detection and suppression equipment gap register; it gives the next reviewer a precise map instead of another broad request for a better file.
Sources
U.S. Government (eCFR). Type certificates, STCs (Subpart E), TSO authorizations (Subpart O), PMA (Subpart K), and export airworthiness approvals (Subpart L).
RTCA. Environmental qualification test categories and procedures referenced by TSO and equipment qualification.
SAE International. Safety assessment methods (FHA, PSSA, SSA, FTA, FMEA) supporting development assurance level assignment.
Frequently asked questions
What makes this product-types review different from a general file audit?
The scope is tied to fire detection suppression tso and to the decision named in the request. A general audit can list weak records; this pass ranks the gaps by whether they block fire-protection equipment qualification or can be closed later without changing the decision.
What evidence has to be available before this work starts?
The starting point is detector response-time, the current status source, and any index or matrix that tells reviewers where the supporting artifact should live. Missing inputs are logged as findings rather than filled with assumptions.
Who decides whether an open item is acceptable?
The review explains what the evidence supports and gives certification engineer a closure path. Acceptance remains with the buyer, operator, authority, delegated engineer, or authorized person responsible for the underlying airworthiness or certification decision.
Relevant glossary terms
Related pages
Where this fits
Talk to an engineer who has done this work
We will walk through your current state, the records or evidence involved, and a scoped first engagement.
Talk through the aircraft, records, evidence, deadline, and next useful step.