Aviation Reliability Engineering & FMEA Suite
A light, fast tool for aeronautics students to study system safety architectures and aircraft maintenance engineers to perform real-world reliability analysis.
FMEA / FMECA Builder
Build safety-critical worksheets using aviation-standard Severity, Occurrence, and Detectability scales. Calculate Risk Priority Numbers (RPN) and view your system risk mapped directly onto a Severity vs Occurrence Heatmap.
- Aeronautics S, O, D scale helper modals
- Visual 10x10 Criticality Matrix
- Export to PDF & Excel
Ishikawa Fishbone Creator
Perform Root Cause Analysis (RCA) using pre-loaded Aviation 6M+1 categories: Man, Machine, Method, Material, Measurement, Mother Nature, and Management. Graphically map failure causes and sub-causes onto a clean interactive fishbone spine.
- Aviation-centered 6M+1 structural branches
- Nested causes editor (expand/collapse tree)
- PNG & SVG canvas export
Fault Tree Analysis (FTA)
Perform deductive, top-down safety assessments. Construct logic gates (AND, OR, NOT) to model system-level hazards and dynamically propagate basic event failure probabilities to verify airworthiness limits.
- Interactive AND/OR/NOT visual logic trees
- Automated probability propagation math
- JSON & SVG structural diagram exports
Weibull Life Data Analysis
Analyze component lifespans and fit probability models to operational failure times. Determine infant mortality, random, or wear-out failure modes. Calculate B10 safety inspection intervals reactively.
- Supports suspended/censored data sets
- Automated Median Ranks estimation fit
- Reliability curve & data rank plotting
Reliability Block Diagram
Model complex system safety and availability structures. Arrange component blocks in series and parallel, define component-level MTBF & MTTR metrics, and solve system availability instantly.
- Interactive series vs parallel layout blocks
- Aviation starter system examples
- Overall availability & reliability calculations
Reliability Growth
Track and project fleet reliability growth over time using the Duane & Crow-AMSAA models. Analyze flight test squawks or service entry trends to verify MTBF improvement targets.
- Duane / Crow-AMSAA logarithmic fitting
- Growth slope (beta) & MTBF projection
- Interactive log-log trend line plot
Maintenance Optimization
Compare preventive maintenance intervals against reliability, downtime, and cost outcomes. Choose between exponential (MTBF) and Weibull wear-out models. Evaluate 5 candidate intervals simultaneously.
- Reliability R(T) & availability at each PM interval
- Cost-per-operating-hour across scenarios
- Automatic balanced/over-maintained recommendation
FRACAS & CAPA Log
Report aviation safety incidents, analyze root causes, assign corrective/preventive actions (CAPA), track closure status, and monitor fleet recurrence trends.
- Overdue corrective action alerts & status tracking
- Suspected root cause Ishikawa categorization
- Recurrence metrics & severity distributions
Safety Risk Register
Consolidate hazard logs, map initial vs residual risks in a 5x5 matrix, assign safety mitigations, track task compliance, and compile safety cases.
- Interactive 5x5 hazard distribution matrix
- Initial vs residual risk level mappings
- Overdue mitigations & verification review alerts
Safety Evidence Matrix
Map engineering requirements against verification methods, track compliance status, flag evidence gaps, and link safety analyses.
- Requirement coverage & verification grids
- Linked Risk, FMEA, FTA, and FRACAS traces
- Compliance coverage & missing evidence alerts
Safety Case & Compliance Pack
Compile structured safety case reports with narrative sections, manage claim-argument-evidence hierarchies, reference safety registers manually, and print compliance packs.
- 10 aviation narrative sections
- Claim-Argument-Evidence hierarchy manager
- Aviation safety case example datasets
Program Executive Overview
Analyze program-wide safety compliance, track airworthiness metrics, audit overdue reviews, and monitor safety case coverage across all system modules.
- Aggregated safety compliance statistics
- FAA/EASA program-wide readiness panels
- Interactive module files audit & CSV export
Cloud Persistence
Sign up for a student or engineer account to persist your reliability worksheets, save progress, and organize analyses into folders.