Professional MOE Development for Part 145 Approval
Aerospace & Aviation Consulting Services (AACS) provides specialist development of Maintenance Organisation Expositions (MOE) for organisations seeking approval under Part 145 regulatory frameworks.
We support maintenance organisations through certification, regulatory approval, and ongoing compliance by delivering authority-ready documentation aligned with ICAO standards and applicable aviation authority requirements.
Our MOEs are designed to be practical, structured, and fully integrated into day-to-day maintenance operations.
Who This Service Supports
Our Part 145 documentation services are suitable for:
- Line Maintenance Organisations
- Base Maintenance Providers
- Component Maintenance Organisations
- Continuing Airworthiness Organisations (CAMO interface)
- Aircraft Maintenance Start-ups
- Approved maintenance organisations expanding scope
What is a Maintenance Organisation Exposition (MOE)
The MOE is the primary document describing how a maintenance organisation complies with Part 145 requirements.
It defines:
- Organisational structure and responsibilities
- Maintenance procedures and standards
- Quality and compliance systems
- Personnel authorisations
- Safety and reporting processes
A properly structured MOE is essential for obtaining and maintaining regulatory approval.
Complete MOE Development
We develop fully compliant MOE structures tailored to your organisation, scope of approval, and authority requirements.
Part 1 — Management & Organisation
- Accountable Manager responsibilities
- Organisational structure
- Key management personnel roles
- Manpower resources
- Facilities and infrastructure description
Part 2 — Maintenance Procedures
- Maintenance planning and control
- Work order and task management
- Certification of maintenance (CRS procedures)
- Tooling and equipment control
- Calibration systems
- Parts and materials control
- Storage and handling procedures
Part 3 — Quality & Compliance Monitoring
- Quality system structure
- Internal audit program
- Compliance monitoring procedures
- Corrective and preventive actions
- Independent monitoring functions
Part 4 — Personnel & Training
- Certifying staff authorisation procedures
- Training and competency systems
- Human Factors training
- Continuation training programs
- Personnel records management
Part 5 — Safety Management System (SMS)
- Hazard identification processes
- Risk assessment methodologies
- Occurrence reporting systems
- Safety investigation procedures
- Safety performance monitoring
Part 6 — Additional Procedures
- Contracted maintenance control
- Subcontractor oversight
- Airworthiness coordination (CAMO interface)
- Records management and retention
- Regulatory reporting procedures
Regulatory Compliance Alignment
Our MOE documentation is structured to meet:
- ICAO safety and maintenance standards
- UK CAA Part 145 requirements
- EASA Part 145 regulations
- International aviation authority frameworks
Each MOE is tailored to reflect the organisation’s approvals, capabilities, and operational scope.
Integration with Safety Management Systems (SMS)
We ensure your MOE integrates fully with your Safety Management System, including:
- Safety reporting systems
- Risk management processes
- Occurrence investigation procedures
- Continuous safety improvement
This creates a unified and compliant maintenance safety environment.
Our Development Process
1. Organisational Assessment
Understanding facilities, approvals, and maintenance scope.
2. Regulatory Gap Analysis
Evaluation against Part 145 requirements.
3. MOE Development
Creation of customised, authority-ready documentation.
4. Authority Submission Support
Preparation for approval and regulatory review.
5. Implementation Support
Assistance during audits, inspections, and operational rollout.
Why Choose AACS
- Extensive maintenance and regulatory experience
- Practical understanding of Part 145 environments
- ICAO-aligned methodologies
- Custom-built manuals — not templates
- Full certification lifecycle support
AACS Ltd delivers documentation that works in real maintenance environments while satisfying regulatory expectations.
Additional Supporting Documentation
We also develop:
- Safety Management System (SMS) Manuals
- Compliance Monitoring Manuals
- Maintenance Procedures Manuals
- Training & Competency Manuals
- Occurrence Reporting Systems
- AOC Operations Manuals
Start Your Part 145 Approval Project
Whether establishing a new maintenance organisation or upgrading existing approvals, AACS provides structured support from concept to certification and beyond.
Contact AACS
Aerospace & Aviation Consulting Services
📞 +44 (0)7930 654075
📧 stephen.crocker@aacsltd.co.uk
Related Services
- Flight Training AOC Operations Manuals
- Charter AOC Operations Manuals
- Airline AOC Operations Manuals
- Airport Operational Manuals
- Safety Management Systems (SMS)




