AML CONTENT BASED ON EASA  MODULES
In order to obtain the Aircraft Maintenance Licence the European Aviation Safety Agency (EASA) has established a list of modules and knowledge level that are required to be able to obtain a certain category certification.

Qualification on basic subjects for each aircraft maintenance licence category or sub-category is based on the following Aircraft Maintenance Licence modules:

  1. Arithmetics
  2. Algebra
  3. Geometry
  1. Matter
  2. Mechanics
  3. Thermodynamics
  4. Optics (Light)
  5. Wave Motion and Sound
  1. Electron Theory
  2. Static Electricity and Conduction
  3. Electrical Terminology
  4. Generation of Electricity
  5. DC Sources of Electricity
  6. DC Circuits
  7. Resistance / Resistor
  8. Power
  9. Capacitance / Capacitor
  10. Magnetism
  11. Inductance / Inductor
  12. DC Motor / Generator Theory
  13. AC Theory
  14. Resistive (R), Capacitive (C) and Inductive (L) Circuits
  15. Transformers
  16. Filters
  17. AC Generators
  18. AC Motors
  1. Semiconductors
  2. Printed Circuit Boards
  3. Servomechanisms
  1. Electronic Instrument Systems
  2. Numbering Systems
  3. Data Conversion
  4. Data Buses
  5. Logic Circuits
  6. Basic Computer Structure
  7. Microprocessors
  8. Integrated Circuits
  9. Multiplexing
  10. Fibre Optics
  11. Electronic Displays
  12. Electrostatic Sensitive Devices
  13. Software Management Control
  14. Electromagnetic Environment
  15. Typical Electronic / Digital Aircraft Systems
  1. Aircraft Materials – Ferrous
  2. Aircraft Materials – Non Ferrous
  3. Aircraft Materials – Composite and Non Metallic
  4. Corrosion
  5. Fasteners
  6. Pipes and Unions
  7. Springs
  8. Bearings
  9. Transmissions
  10. Control cables
  11. Electrical cables and connectors
  1. Safety Precautions – Aircraft and Workshop
  2. Workshop practices
  3. Tools
  4. Avionic general test equipment
  5. Engineering drawings, diagrams and standards
  6. Fits and clearances
  7. Electrical wing interconnection system (EWIS)
  8. Riveting
  9. Pipes and hoses
  10. Springs
  11. Bearings
  12. Transmissions
  13. Control cables
  14. Material handling
  15. Welding, brazing, soldering and bonding
  16. Aircraft weight and balance
  17. Aircraft handling and storage
  18. Disassembly, inspection, repair and assembly techniques
  19. Abnormal events
  20. Maintenance procedures
  1. Physics of the atmosphere
  2. Aerodynamics
  3. Theory of flight
  4. Flight stability and dynamics
  1. General
  2. Human performance and limitations
  3. Social psychology
  4. Factors affecting performance
  5. Physical environment
  6. Tasks
  7. Communication
  8. Human error
  9. Hazards in the workplace
  1. Regulatory framework
  2. Certifying staff – Maintenance
  3. Part 145 – Approved maintenance organisations
  4. EU-OPS
  5. Aircraft certification
  6. Applicable national and international requirements
  1. Theory of flight
  2. Airframe structures – General concepts
  3. Airframe structures – Aeroplanes
  4. Air conditioning and cabin pressurisation
  5. Instruments / avionic systems
  6. Equipment and furnishings (ATA 25)
  7. Fire protection (ATA 26)
  8. Flight Controls (ATA 27)
  9. Fuel systems (ATA 28)
  10. Hydraulic power (ATA 29)
  11. Ice and rain protection (ATA 30)
  12. Landing gear (ATA 32)
  13. Lights (ATA 33)
  14. Oxygen (ATA 35)
  15. Pneumatic / vacuum (ATA 36)
  16. Water / waste (ATA 38)
  17. On board maintenance systems (ATA 45)
  1. Theory of flight – Rotary wing aerodynamics
  2. Flight control systems
  3. Blade tracking and vibration analysis
  4. Transmissions
  5. Airframe structures
  6. Air conditioning (ATA 21)
  7. Instruments/Avionic Systems
  8. Electrical power (ATA 24)
  9. Equipment and furnishings (ATA 25)
  10. Fire protection (ATA 26)
  11. Fuel systems (ATA 28)
  12. Hydraulic power (ATA 29)
  13. Ice and rain protection (ATA 30)
  14. Landing gear (ATA 32)
  15. Lights (ATA 33)
  16. Pneumatic / vacuum (ATA 36)
  1. Theory of flight
  2. Structures – General concepts
  3. Autoflight (ATA 22)
  4. Communication / Navigation (ATA 23/24)
  5. Electrical power (ATA 24)
  6. Equipment and furnishings (ATA 25)
  7. Flight Controls (ATA 27)
  8. Instrument systems (ATA 31)
  9. Lights (ATA 33)
  10. On board maintenance systems (ATA 45)
  1. Turbine engines
  2. Engine indication systems
  1. Fundamentals
  2. Engine performance
  3. Inlet
  4. Compressors
  5. Combustion section
  6. Turbine section
  7. Exhaust
  8. Bearings and seals
  9. Lubricants and fuels
  10. Lubrication systems
  11. Fuel systems
  12. Air systems
  13. Starting and ignition systems
  14. Engine indication systems
  15. Power augmentation systems
  16. Turbo-prop engines
  17. Turbo-shaft engines
  18. Auxiliary Power Units (APUs)
  19. Power-plant installation
  20. Fire protection systems
  21. Engine monitoring and ground operation
  22. Engine storage and preservation
  1. Fundamentals
  2. Engine performance
  3. Engine construction
  4. Engine fuel systems
  5. Starting and ignition systems
  6. Induction, exhaust and cooling systems
  7. Supercharging / Turbocharging
  8. Lubricants and fuels
  9. Lubrication systems
  10. Engine indication systems
  11. Power-plant installation
  12. Engine monitoring and ground operation
  13. Engine storage and preservation
  1. Fundamentals
  2. Propeller construction
  3. Propeller pitch control
  4. Propeller synchronising
  5. Propeller ice protection
  6. Propeller maintenance
  7. Propeller storage and preservation