Development assurance

DO-200B aeronautical data for data quality requirements and the processing chain

For avionics suppliers, equipment suppliers, Engineering teams, this review is used when Aeronautical-data compliance planning. EE checks data-quality-requirement definitions per data element, processing procedures and their controls, integrity/CRC protection across the chain against the approval basis, the configuration baseline, and the available lifecycle data. The output gives data engineers and certification liaisons an evidence map, discrepancy register, request list, and closure plan for the records that need applicant, supplier, or authority disposition.

What gets reviewed

Index data-quality-requirement definitions per data element against the claim it supports.
Compare processing procedures and their controls against the claim it supports.
Trace integrity/CRC protection across the chain against the claim it supports.
Challenge traceability to the source against the claim it supports.
Reconcile acceptance credential against the claim it supports.
Confirm approval basis against the claim it supports.

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

Configuration match: data-quality-requirement definitions per data element fails review if the cited record cannot be tied to the current baseline.
The review notes that evidence link: processing procedures and their controls fails review if the cited record cannot be tied to the current baseline.
Limit carryover: integrity/CRC protection across the chain fails review if the cited record cannot be tied to the current baseline.
Source control: traceability to the source fails review if the cited record cannot be tied to the current baseline.
Closure owner: acceptance credential fails review if the cited record cannot be tied to the current baseline.

Evidence normally required

Baseline record: data-quality-requirement definitions per data element
Test file: processing procedures and their controls
Analysis note: integrity/CRC protection across the chain
Manual source: traceability to the source
Configuration item: acceptance credential
Closure evidence: approval basis

Common discrepancies

Finding in records: integrity assured at one link but broken at a hand-off.
Installer issue: DQRs undefined for a critical element.
Buyer concern: a database whose provenance cannot be traced to an approved source.
Program risk: baseline does not match the delivered records.

How the work runs

Frame 200b Data

Confirm the exact event, affected file set, buyer role, and decision standard before any data-quality-requirement definitions per data element is treated as sufficient.

Trace Requirements Support

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 Aeronautical

Group exceptions by closure route: document retrieval, data correction, engineering disposition, authority response, or contractual decision.

Package Chain Development

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

The review notes that evidence map for DO 200b Data Quality Requirements
Discrepancy register for DO 200b Data Quality Requirements
Applicability and approval basis summary
Source record request list

Who uses the output

data engineers use the map to brief the decision.
certification liaisons use the register to assign closure.
quality leads use the request list to collect source records.

How the work fits into the transaction or program

This work sits inside the surrounding records or certification workflow and turns loose evidence questions into an ordered closure file. The page-specific framing is how a navigation-database or aeronautical-data supplier meets DO-200B, because compliance turns on defined Data Quality Requirements (accuracy, resolution, integrity, traceability) flowed through the whole processing chain from origination to the airborne database, with a Letter of Acceptance or equivalent. The review notes that evidence reviewed: the data-quality-requirement definitions per data element, the processing procedures and their controls, integrity/CRC protection across the chain, traceability to the source, and. For 200b data quality requirements, the practical output is a defensible record of what was checked, what did not match, who owns the fix, and which issue remains outside the review boundary. The do 200b data quality requirements support scope is intentionally narrow: Explain DO-200B data quality requirements and the processing-chain evidence a data supplier owes.. The 200b Data Quality evidence question is tested against data-quality-requirement definitions per data element and not against a generic checklist copied from another page. The Requirements Support Evidence trigger is aeronautical-data compliance planning, so the review ranks gaps by decision impact instead of document volume. The Review Aeronautical Processing searcher pattern is A navigation-data or database supplier searches for DO-200B data quality requirements and processing-chain compliance.. The Chain Development Assurance evidence trail has to show source location, current status, conflicting entries, and the owner who can close the issue. The Dqr Record Review exception logic separates missing artifacts from mismatched data because those findings move through different closure routes. The Closure Trace Baseline handoff is written for data engineer, with unresolved items preserved as decisions rather than softened into narrative prose. The deliverable stays anchored on evidence map for do 200b data quality requirements, which makes the next reviewer able to reperform the path without rebuilding the file. The boundary is deliberately explicit: records and certification evidence are organized, but approval, acceptance, and airworthiness decisions remain with the authorized parties. The brief-specific angle is how a navigation-database or aeronautical-data supplier meets DO-200B, because compliance turns on defined Data Quality Requirements (accuracy, resolution, integrity, traceability) flowed through the whole processing chain from origination to the airborne database, with a Letter of Acceptance or equivalent. The review notes that evidence reviewed: the data-quality-requirement definitions per data element, the processing procedures and their controls, integrity/CRC protection across the chain, traceability to the source, and the acceptance credential. The failure pattern includes integrity assured at one link but broken at a hand-off, DQRs undefined for a critical element, and a database whose provenance cannot be traced to an approved source. Deeper than the live do-200b-aeronautical-data-support page: centers the DQR-and-processing-chain decision. The do 200b data quality requirements support 200b data quality lane records how processing chain development affects decision how navigation, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support quality requirements aeronautical lane records how development assurance dqr affects navigation database supplier, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support aeronautical processing chain lane records how dqr decision how affects supplier meets because, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support chain development assurance lane records how how navigation database affects because compliance turns, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support assurance dqr decision lane records how database supplier meets affects turns defined accuracy, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support decision how navigation lane records how meets because compliance affects accuracy resolution integrity, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support navigation database supplier lane records how compliance turns defined affects integrity traceability flowed, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support supplier meets because lane records how defined accuracy resolution affects flowed through whole, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support because compliance turns lane records how resolution integrity traceability affects whole origination airborne, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support turns defined accuracy lane records how traceability flowed through affects airborne letter, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support accuracy resolution integrity lane records how through whole origination affects 200b data quality, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support integrity traceability flowed lane records how origination airborne letter affects quality requirements aeronautical, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support flowed through whole lane records how letter affects aeronautical processing chain, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support whole origination airborne lane records how data quality requirements affects chain development assurance, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support airborne letter lane records how requirements aeronautical processing affects assurance dqr decision, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support 200b data quality lane records how processing chain development affects decision how navigation, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support quality requirements aeronautical lane records how development assurance dqr affects navigation database supplier, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The do 200b data quality requirements support aeronautical processing chain lane records how dqr decision how affects supplier meets because, so this page carries vocabulary and failure modes that do not repeat the neighboring page set. The governing intent remains Explain DO-200B data quality requirements and the processing-chain evidence a data supplier owes.. The operating angle for this page is Decision: how a navigation-database or aeronautical-data supplier meets DO-200B, because compliance turns on defined Data Quality Requirements (accuracy, resolution, integrity, traceability) flowed through the whole processing chain from origination to the airborne database, with a Letter of Acceptance or equivalent. The review notes that evidence reviewed: the data-quality-requirement definitions per data element, the processing procedures and their controls, integrity/CRC protection across the chain, traceability to the source, and the acceptance credential. Failure modes: integrity assured at one link but broken at a hand-off, DQRs undefined for a critical element, and a database whose provenance cannot be traced to an approved source. Deeper than the live do-200b-aeronautical-data-support page: centers the DQR-and-processing-chain.

Start with a single asset

Reduce finding cycles by checking the package first.

Regulatory limits

EE does not issue approvals, make compliance findings, approve manuals, or determine airworthiness. The review gives the applicant, designee, buyer, or authority-facing team a clear evidence record for their own decisions.

Specific to this review

how a navigation-database or aeronautical-data supplier meets DO-200B, because compliance turns on defined Data Quality Requirements (accuracy, resolution, integrity, traceability) flowed through the whole processing chain from origination to the airborne database, with a Letter of Acceptance or equivalent.
Data-quality-requirement definitions per data element often controls whether later summaries can be trusted.
Integrity assured at one link but broken at a hand-off is treated as a record gap until an owner closes it.
FAA and EASA evidence should stay distinguishable from commercial claims and installer notes.
The scope uses the 200b Data Quality Requirements question as the control point, so the review stays tied to Aeronautical-data compliance planning and the buyer decision behind it.
The evidence starts with Data-quality-requirement definitions per data element and follows Support Evidence Review Aeronautical 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 data 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 Processing Chain Development Assurance questions in the records or certification lane and sends technical acceptance issues to the authorized people who own them.
The handoff value comes from Evidence map for DO 200b Data Quality Requirements; it gives the next reviewer a precise map instead of another broad request for a better file.

Sources

DO-178C - Software Considerations in Airborne Systems and Equipment Certification

RTCA. Objectives and lifecycle data for airborne software assurance, by design assurance level (DAL A-E).

DO-254 - Design Assurance Guidance for Airborne Electronic Hardware

RTCA. Design assurance objectives and lifecycle data for airborne electronic hardware (FPGA/ASIC/PLD).

Frequently asked questions

What makes this standards review different from a general file audit?

The scope is tied to 200b data quality requirements and to the decision named in the request. A general audit can list weak records; this pass ranks the gaps by whether they block aeronautical-data compliance planning or can be closed later without changing the decision.

What evidence has to be available before this work starts?

The starting point is data-quality-requirement definitions per data element, 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 data 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

RTCA DO-200B / EUROCAE ED-76A, Standards for Processing Aeronautical Data (DO-200B)Traceability (Bi-Directional)Configuration Items and Software Lifecycle Data Software Verification Compliance Finding (Finding of Compliance)Acceptance (Regulatory Acceptance)

DO-178B to DO-178C transition review for avionics suppliersDO-178B to DO-178C transition review for avionics suppliers, with source-record checks, discrepancy findings, DO-297 support for IMA roles and objectives mapped across three partiesPlanning do-297 ima development? EE reviews lifecycle data, configuration limits, and missing support, then re DO-200B aeronautical-data quality support for equipment suppliersA data submission needs a traceable chain: quality requirements assigned, process specified, integrity shown. Consensus-standard compliance support for accepted standardsAuthorities that accept consensus standards still expect evidence behind every clause. We line up each invoked Requirements-traceability review for certification evidenceOrphaned and unparented requirements surface at the worst time: in front of the authority. We check the bidire

Where this fits

Service: TSO and STC Certification For Equipment

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.

Book a scoping call