MRO & CAMO (Maintenance & Airworthiness)

Aircraft Maintenance, Repair, Overhaul (MRO) and Continuing Airworthiness Management Organization (CAMO) systems.

Scope

CAMO Functions

The Continuing Airworthiness Management Organization ensures:

• Airworthiness certification maintenance
• Fleet health monitoring
• Compliance with manufacturer requirements
• Regulatory documentation

Asset Tracking

• Flight Hours: Total time in air per aircraft/component
• Flight Cycles: Takeoff/landing cycles (critical for fatigue life)
• Calendar Time: Age-based maintenance triggers
• Component Health: Real-time degradation monitoring

Maintenance Planning

• Scheduled maintenance (A/B/C/D checks)
• Unscheduled maintenance
• Component life tracking
• AD (Airworthiness Directive) compliance
• SB (Service Bulletin) tracking

MRO Operations

• Line maintenance (between flights)
• Base maintenance (heavy checks)
• Component repair/overhaul
• Engine shop visits
• Parts inventory management

Research Topics

• CAMO regulatory requirements (EASA Part-M, local RAV)
• MRO software platforms (AMOS, TRAX, Ramco)
• Predictive maintenance algorithms
• Component life limit tracking
• AOG (Aircraft on Ground) procedures
• Parts pooling agreements
• Engine health monitoring
• Digital technical records

Architecture Considerations

Fleet Health Dashboard

┌─────────────────────────────────────────────────────────┐
│                 Fleet Health Overview                    │
├─────────────────────────────────────────────────────────┤
│  Aircraft    │ Status  │ Hours  │ Cycles │ Next Check  │
│  YV-XXXA     │ Active  │ 15,000 │ 2,500  │ C-Check 250h│
│  YV-XXXB     │ Active  │ 12,300 │ 1,890  │ A-Check 45h │
│  YV-XXXC     │ AOG     │ 18,200 │ 3,100  │ Engine Shop │
│  YV-XXXD     │ Spare   │ 8,500  │ 1,200  │ Ready       │
└─────────────────────────────────────────────────────────┘

Data Model

Aircraft
├── Registration (YV-XXX)
├── MSN (Manufacturer Serial Number)
├── Type (A320, B737, etc.)
├── Configuration
├── TotalFlightHours
├── TotalCycles
├── Components[]
│   ├── PartNumber
│   ├── SerialNumber
│   ├── Position
│   ├── InstalledDate
│   ├── HoursSinceNew
│   ├── CyclesSinceNew
│   ├── HoursSinceOverhaul
│   ├── LifeLimit
│   └── NextInspectionDue
├── MaintenanceEvents[]
└── Documents[]

MaintenanceTask
├── TaskID
├── Aircraft
├── Type (Scheduled, Unscheduled, AD, SB)
├── Description
├── Interval (hours, cycles, calendar)
├── LastCompleted
├── NextDue
├── Status
└── WorkOrder

Maintenance Check Intervals (Typical A320)

Predictive Maintenance

Data Sources:
├── ACARS messages (in-flight data)
├── QAR/FDR downloads
├── Engine trend monitoring
├── APU monitoring
├── Component sensors
        │
        ▼
┌───────────────────┐
│   ML/Analytics    │
│   Engine          │
└─────────┬─────────┘
          │
    ┌─────┴─────┐
    │           │
┌───▼───┐ ┌─────▼─────┐
│ Alert │ │ Scheduled │
│       │ │ Action    │
└───────┘ └───────────┘

Integration Points

Spare Aircraft Strategy

Per the operational blueprint, maintain a specific Spare Aircraft Ratio:

Fleet Utilization Model:
├── Active Fleet: Aircraft in daily rotation
├── Spare Aircraft: Ready for immediate deployment
│   └── Target: 1 spare per 5-6 active aircraft
├── In Maintenance: Scheduled checks
└── AOG: Unscheduled maintenance

Spare Triggers:
├── AOG event on active aircraft
├── Unscheduled maintenance >4 hours
├── Peak demand periods
└── Sub-charter backup

Sub-Charter Agreements

For AOG events and peak demand:

• Pre-negotiated ACMI agreements
• Qualified operators list
• Response time SLAs
• Regulatory compliance verification
• Insurance requirements

Component Health Monitoring

Key Tracked Items

Health Score Calculation

Component Health % =
  (Remaining Life / Total Life) × 100
  - Condition Deductions
  - Trend Adjustments

Alert Thresholds:
├── Green: >50% remaining
├── Yellow: 25-50% remaining
├── Red: <25% remaining
└── Critical: Immediate action required

Regulatory Compliance

Documentation Requirements

• Aircraft Technical Log
• Component history cards
• Maintenance release certificates
• AD/SB compliance records
• Airworthiness Review Certificate (ARC)

Audit Readiness

• IOSA compliance (MNT section)
• Local authority (RAV/INAC) requirements
• Lessor requirements (if applicable)
• Insurance requirements

Vendor Landscape

MRO Software

Selection Criteria

• CAMO functionality
• Integration with OCC
• Mobile line maintenance app
• Predictive analytics
• Regulatory reporting