Flight-deck equipment
Flight-deck equipment certification data support
Flight-deck equipment certification is the path a supplier follows to authorize a control panel, input device, or crew-interface unit and substantiate that a crew action produces the intended result and an unintended one is caught. It is used by avionics teams whose unit takes crew input and commands or configures a downstream system. The data support covers the certification basis, the crew-interface and human-factors evidence, the cockpit environmental qualification, and the software lifecycle data behind the command logic. You receive a gap read against the applicable standards and an evidence set arranged for review.
When this review is needed
- A control panel or input unit is heading toward authorization and the crew-interface case has to be built against the basis.
- A unit changes its control layout or command mapping and the human-factors and lifecycle data has to reflect it.
- Findings against inadvertent or unintended command behavior have stalled the program and need reconciling.
- A supplier wants an independent read of the flight-deck package before the basis is locked.
The problem
Flight-deck equipment converts a crew action into a system command, so the case has to cover both a missed input and, harder, an input the crew did not mean to make. Inadvertent operation gets a light treatment, the command mapping is validated for the intended path while error paths are assumed away, and the cockpit environment of vibration and reach goes under-tested against where the unit actually mounts. The error-path gaps surface when a reviewer walks through what happens after a wrong button or a stuck control.
What gets reviewed
- The certification basis and the article authorization the unit is pursued under
- The crew-interface and human-factors evidence for intended and error paths
- The inadvertent-operation case for a control acted on by mistake
- DO-160 environmental qualification for the cockpit mounting and reach
- Software lifecycle data matched to the consequence of a wrong command
- The feedback the unit gives so the crew can tell what it commanded
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
- Both the intended command path and the error paths are validated
- Inadvertent operation is addressed, not assumed away
- DO-160 categories match the cockpit vibration and the mounting location
- Software lifecycle data matches the level a wrong-command hazard assigns
- Command feedback is specified so the crew can confirm what was sent
Evidence normally required
- The draft or current certification basis for the flight-deck article
- The crew-interface and human-factors characterization to date
- DO-160 qualification test plans and reports so far
- Software lifecycle data for the command logic at its current state
- Open findings or prior authority correspondence if a program is running
Common discrepancies
- Command logic validated for the intended path but not for the crew error paths
- Inadvertent operation treated lightly when the consequence is a wrong command
- Cockpit vibration and reach qualification not matched to the actual mounting
- Command feedback unspecified, so the crew cannot confirm what the unit sent
- Software level set below the consequence a wrong command can produce downstream
What is at stake
A flight-deck unit whose inadvertent-operation case is thin draws findings that reach the command logic and the physical design together. The rework is slow because it touches both software and human-factors evidence, the schedule slips into the platform, and the crew-evaluation effort is hard to compress.
How the work runs
Set the basis
Confirm the certification basis and the downstream systems the flight-deck unit is authorized to command.
Walk the error paths
Validate the intended command path and the error paths, including a control acted on by mistake.
Tie the environment
Match the cockpit vibration and reach qualification to the mounting and specify the command feedback.
Reconcile the case
Align the software level with the wrong-command hazard and deliver a prioritized closure list.
What the buyer receives
- A gap read against the applicable flight-deck-article authorization and standards
- A reconciled compliance matrix tied to the crew-interface and command evidence
- A traceability view from interface requirements through verification
- A prioritized list of the data needed to close the package
Who uses the output
- Certification leads compiling the flight-deck submittal
- Human-factors and software engineers closing the error-path and feedback gaps
- Safety teams confirming the wrong-command hazard reaches the downstream system
How the work fits into the transaction or program
The work supports the supplier's flight-deck program and weighs the error paths as heavily as the intended ones. It pairs with a display read where the same unit also renders information, and it feeds the safety assessment with the wrong-command hazard the downstream system inherits.
Start with a single asset
Confirm requirements map to substantiating evidence.
Aircraft-specific considerations
A control panel reachable from both crew seats on a transport flight deck carries an inadvertent-operation concern that a single-pilot panel does not share, so the crew-interface case follows the cockpit layout. The read keeps the reach, vibration, and error-path evidence tied to the mounting the unit actually takes.
Regulatory limits
Endeavor Elements supports the applicant's flight-deck-article data. It does not grant an authorization, make human-factors findings for the authority, or warrant acceptance. The applicant submits and the authority decides.
What this review does not cover
- Granting an article authorization or design approval
- Making compliance findings on the authority's behalf
- Running the crew evaluations or cockpit-environment testing itself
Specific to this review
- Flight-deck equipment has to substantiate the error paths, because an input the crew did not intend is usually the harder hazard than a missed input.
- Inadvertent operation is a named concern for a cockpit control, so assuming it away is a recurring finding rather than an acceptable simplification.
- Command feedback is part of the case, since the crew needs a way to confirm the unit sent what they meant before the downstream system acts.
Sources
U.S. Government (eCFR). Type certificates, STCs (Subpart E), TSO authorizations (Subpart O), PMA (Subpart K), and export airworthiness approvals (Subpart L).
RTCA. Objectives and lifecycle data for airborne software assurance, by design assurance level (DAL A-E).
RTCA. Environmental qualification test categories and procedures referenced by TSO and equipment qualification.
SAE International. Development assurance process at aircraft and system level, including requirements capture and validation.
Frequently asked questions
Why does inadvertent operation get so much weight?
A missed input is usually recoverable; a command the crew did not intend can configure a downstream system the wrong way. Acting on a control by mistake is a named concern for a cockpit unit, so the read checks the case addresses it rather than assuming it away.
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.
Walk through your situation with an engineer who has done this work.