What MTBFsolutions Can Deliver
For Your Programme
From the first planning document to the final approval submission. Here is the full picture of what we support across the product development life cycle.
12 Phases
Life cycle phases supported
Concept to Release
Full programme coverage
Authority-Ready
Meets authority documentation standards
Approval and Release
Product Testing is the most visible phase of the programme for the approval authority. Every test result, every analysis report, and every compliance statement produced to this point is brought together into a managed test programme. MTBFsolutions has direct experience managing documentation programmes at this stage, coordinating multiple disciplines, tracking compliance status, and keeping the evidence package in order under programme pressure.
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Integrated Test Programme management
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Functional Integration Test Plans and reports
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Environmental Test Programme reports
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Reliability Demonstration reports
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The approval submission is the culmination of the entire documentation programme. Everything produced across the preceding phases is consolidated into a compliance package and submitted to the approval authority for review. The quality of the submission at this stage determines how smoothly the approval process runs. Incomplete documentation, inconsistent references, or gaps in the compliance evidence are the most common causes of approval delays.
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Compliance Summary documentation
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Critical Parts Definition
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Operating and Maintenance Manuals
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Approval submission packages
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ILS Analysis and documentation
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Product Release is not the end of the documentation requirement. It is the beginning of the in-service phase. Operational statistics need to be tracked, in-service problems need to be formally reported, and the product support documentation needs to be maintained as the product evolves in service. MTBFsolutions supports clients through this transition, ensuring the documentation programme continues to meet the standard required for continued airworthiness and operational approval.
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In-Service Problem Reporting procedures
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Customer feedback documentation
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Operational Statistics reporting
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In-service support planning documentation
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Build and Test
Individual components are tested against their environmental qualification requirements. The test results need to be accurately recorded, analysed, and reported in a format the approval authority will accept. A well-managed component test programme at this stage prevents rework later. If the documentation is not right the first time, the tests often have to be repeated.
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Environmental Qualification Test reports
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Compliance Test reports
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Demonstration Test Plans and reports
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As components are integrated into sub-assemblies, the testing and documentation process steps up a level. Environmental and demonstration testing is extended to the sub-assembly, and the compliance evidence package begins to take shape. The documents produced here bridge the gap between component-level qualification and full product testing.
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Sub-Assembly Environmental Test Plans
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Sub-Assembly Demonstration Plans
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Sub-Assembly Compliance reports
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The product assembly phase marks the point at which the full system comes together for the first time. Test plans are prepared at the product level, covering the complete range of performance and demonstration requirements. This phase requires close coordination between the engineering team and the documentation programme to ensure that nothing is missed before product-level testing begins.
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Product Assembly Test Plans
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Product Demonstration Plans
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Assembly Compliance reports
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Design Development
The Preliminary Design phase is where system-level requirements are broken down into the detailed specifications that the design team will work to. It is also where the test strategy is defined, identifying what needs to be tested, at what level, and to what standard. The documents produced here form the backbone of the compliance evidence package that will eventually be submitted for approval.
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Detailed System Requirements documentation
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Development Test Plans
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Product Compliance Plan
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Verification Requirements Matrix
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Detail Design is typically the most documentation-intensive phase of the programme. The full reliability and safety analysis is completed, environmental and performance test plans are written, and the design is frozen to a level where it can be built and tested. This is the phase where documentation gaps most commonly appear, and where the consequences of those gaps first start to show up in programme schedules.
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FMECA
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Fault Tree Analysis
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System Safety Assessment
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Environmental Test Plans
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Performance Test Plans
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As the first physical hardware enters production, the documentation focus shifts to reliability and environmental qualification. MTBF analysis is completed at the component level, establishing the reliability baseline that the product will be measured against throughout its operational life. Environmental test plans are prepared to the standard required for approval authority submission.
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Reliability Analysis and MTBF reports
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Component-level Environmental Test Plans
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Approval Environmental Test Plans
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Programme Foundation
Every programme starts with a question: what exactly are we building, and for whom? The Concept phase is where that question gets a formal answer. Requirements are captured at the highest level, the operational context is defined, and the project structure that will carry the programme forward is established. Getting this phase right sets the tone for everything that follows. Gaps here tend to compound through every subsequent phase.
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Initial Product Definition documents
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Concept of Operations
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Top-level requirements documentation
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Initial Project Management Plan
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This is where the programme commits to a compliance strategy. The approval authority is identified, the applicable standards are baselined, and the documentation framework that will govern the entire programme is put in place. A well-structured Product Approval Plan at this stage saves significant time later, particularly when the approval authority begins asking questions about how decisions were made and why.
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Product Approval Plan
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Baseline standards documentation
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Configuration Management Plan
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System Engineering Management Plan
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Project application documentation
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With the programme framework in place, the focus shifts to the architecture of the product itself. System functions are allocated, the top-level design is defined, and the first formal safety assessment is completed. The Concept Design phase produces the documents that approval authorities will return to throughout the programme as a reference point for every subsequent design decision.
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System Architecture Statement
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Preliminary System Safety Assessment
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Initial Functional Hazard Assessment
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Development Assurance Level assignments
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LIFE CYCLE COVERAGE
Support at every phase of your programme
Select any phase to see what MTBFsolutions can deliver. Each deliverable is prepared to the standard your approval authority expects.
Need the full detail on a specific service?
Our Specialist Skills pages go into depth on Reliability Analysis, Product Approval Documentation, ILS, and Planning and Procedural Documentation.
Not every programme needs support across all twelve phases. Most clients come to us at a specific point, a milestone approaching, a gap identified, a deadline at risk. Tell us where you are and we will tell you exactly what we can deliver and how quickly.