Airworthiness Chapter 566 Appendix C - Part 3 Curriculum and Topic Guides Electronics Systems Maintenance Training Standard - Canadian Aviation Regulations (CARs)

Content last revised: 1999/12/01

(amended 1999/12/01)

1.0 General


1. The different classes of fires and suitable extinguishers.


2. The legal and moral responsibilities of maintenance technicians and ames.

3. Human factors in maintenance.


4. Tasks utilizing health and safety practices, including:

  • handling of:
    • chemicals
    • metals
    • pyrotechnics
    • hazardous materials
  • environmental considerations
  • WHMIS or equivalent

5. Tasks extracting information from technical publications including ATA system.

2.0 Hand and Tools/Precision Instruments


1. Tasks utilizing the proper selection and use of hand and power tools.

3.0 Metallurgy


1. The type of corrosion.


2. The methods of corrosion treatment and prevention.


3. Tasks identifying the types, properties and coding of aircraft metals.

4. Relevant manufacturing treatment processes of aircraft metals.

4.0 Aircraft Servicing


1. Servicing of aircraft systems such as water, waste, oxygen, etc.

2. The classifications, functions principles and properties of lubricants including, engine oil, grease and hydraulic fluids.

3. Aircraft deicing procedures.

4. Operating procedures and safety precautions of ground support equipment required to service the aircraft.

5. Aircraft grooming procedures and precautions.


6. A fuel contamination check.

7. Tire servicing and inflation.

8. Servicing of aircraft main batteries.

9. Servicing of lubrication, fuel, oil and hydraulic systems.

10. Standard ground handling practices.

11. Jacking of an aircraft.

5.0 Approved Parts


1. Aircraft hardware using AN, MS, NAS parts systems.


2. The application of metric and British unified systems to aircraft hardware.

3. The needs and rationale for aircraft specifications such as MIL, NAS.

4. Inventory control including:

  • traceability
  • requisitioning
  • quarantine
  • bonded stores


5. Installation and securing of standard hardware and connectors.

6.0 Aerodynamics

6.1 Fixed Wing Aircraft Aerodynamics


1. The theory of flight, relative motion, dynamic stability, standard atmosphere, fluid dynamics, lift, drag, thrust and weight, forces and balance, stalling/landing speeds, speed of sound, aerodynamic loads, and high speed flight.

2. The purpose of flight controls including primary, secondary, and auxiliary controls, lift and anti-lift devices.

6.2 Rotary Wing Aircraft Aerodynamics


1. Theory of flight applicable to rotary wing including:

  • coriolis effect
  • retreating blade stall
  • auto-rotation characteristics
  • dissymmetry of lift
  • ground effect
  • transverse flow

6.3 Flight Controls and Rigging


1. Types of flight controls and explain features and functions of flight control systems.


2. Mechanical flight control system and components.

3. Servo powered flight control system and components.

4. Cables, fittings and repair of associated rigging hardware.

5. Incidence, symmetry checks and adjustments.

6. The systems which modify flight control travel due to altitude, velocity or other factors.

7. Rudder travel limitation, aileron lockout, lift dump.

8. The purpose and principles of flight control artificial feel/feedback systems.

7.0 Sheet Metal


1. The difference between a structural and non-structural repair.

2. The application and installation/removal of special fasteners.

3. The requirements for scratch inspection.

4. The purpose and use of sealant.


5. Installation, inspection and removal of solid rivets.

6. Installation, and removal of standard fasteners.

7. Sheet metal repair/modification including cutting, bending, forming and fabricating.

8.0 Aircraft Structure


1. Structural members and stress involved in:

  • floats
  • hulls
  • skis
  • stabilizers
  • wings
  • engine mounts
  • cowlings
  • fuselages

2. Types of primary aircraft structures.

10.0 Piston Engines

10.1 Basics


1. Basic design and theory of operation.

2. The calculation of energy, work and horsepower.

3. The two stroke cycle and the otto cycle.

4. Piston engine classification terminology (e.g. Tsio-520).

10.2 Ignition systems


1. The principles of operation and identify the components of reciprocating engine ignition systems.

11.0 Turbine Engines

11.1 Basics


1. Development, fundamentals and principles of operation of turbine engines.

2. Engine design and construction pertaining to:

  • inlet ducts
  • compressors
  • bleed valves
  • diffusers
  • vane controllers
  • combustion section
  • turbines
  • exhaust section
  • gear boxes
  • bearings and seals
  • engine mounts

3. Factors affecting thrust/torque.

4. The purpose and advantages of modular construction.

5. Common designs of turbine engines including:

  • Torque producing engines
  • turboshaft and turboprop
  • Thrust producing engines
  • turbojet and turbofan

6. The principles of noise suppression techniques.

7. Turbine engine systems including fuel, lubrication, ignition, air exhaust.


8. Common turbine engine terminology and acronyms.

11.2 Ignition


1. Types and operation of turbine engine ignition systems and their components including:

  • low tension (glow plugs)
  • high tension (capacitive discharge)
  • auto re-light.

2. Turbine engine ignition system safety precautions

11.3 Starting


1. Design and components of starting systems.

2. The operation of various turbine engine starters including air turbine starters, electrical starters, (motor and starter-generator).

3. Inspection and servicing procedures for starting systems.

4. The operation of an auto-start system.

11.4 Engine Indicating Systems


1. Principles and operation of engine indicating systems including:

  • speed indication
  • temperature indication
  • pressure indication
  • flow metering systems.
  • quantity indication (oil quantity)
  • fault detection (chip detector, filter bypass)
  • power indication systems engine pressure ratio (EPR)
  • torque indication
  • status enunciators
  • built in test equipment (BITE) system
  • vibration indication

11.5 Turbine Engine Safety


1. Safety precautions and hazards while ground running including:

  • foreign object ingestion
  • jet/prop blast
  • turbine burst
  • personnel
  • noise
  • hazards created by deviation from procedures (integrated systems)
  • aircraft restraint (chocks, tie downs, etc.)

12.0 Propellers and Systems


1. Theory and design of aircraft propellers including:

  • forces acting on a propeller
  • lift and angle of attack
  • propeller construction materials

2. Fixed pitch, controllable pitch, constant speed, feathering and reversing propellers.

13.0 Hydraulic Power


1. Safety precautions, including high pressure bottles and accumulators.

2. Fluid dynamics, types of fluid and system components.

3. System design including multiple and integrated systems and system redundancy.

4. System maintenance.

14.0 Pneumatic Power


1. The differences between hydraulic and pneumatic systems.

2. The principles of operation, maintenance and servicing of a pneumatic system components including:

  • temperature regulation
  • pressure control
  • flow control
  • sources
  • common applications

15.0 Aircraft Plumbing


1. The standard fittings and hardware identification systems.

16.0 Landing Gear


1. The various types and configurations of landing gear assemblies including shock absorbing and non-shock absorbing systems.

2. The purpose and operation of shimmy dampers.

3. The operation of components of landing gear retraction and anti-retraction systems.

4. The operation and components of hydraulic and mechanical, emergency extension systems.

5. Various brake types.

6. Anti-skid and skid warning systems.

7. Basic, boosted, power, automatic and emergency braking systems and components.

8. Brake indicating systems including break wear and temperature indication.

9. Mechanical and powered steering systems.

10. The purpose of air ground sensing systems.

17.0 Environmental Control Systems


1. Air sources for cabin pressurization.


2. Fundamentals of heating, cooling and ventilation systems and their components including:

  • air cycle machine
  • vapour cycle cooling
  • bleed air heating
  • heat exchangers
  • exhaust type heaters
  • combustion type heaters

3. Electrical/electronic equipment cooling systems.

4. Cabin pressure fundamentals and components including system safety precautions and functional tests.

5. The various oxygen system fundamentals and component operation including:

  • solid state/chemical oxygen
  • liquid oxygen
  • gaseous oxygen

18.0 Fuel


1. Fuels - types, properties and additives.

2. Airframe fuel system configurations and component functions including:

  • storage
  • jettison
  • distribution
  • venting
  • grounding
  • indication

19.0 Ice and Rain Protection


1. Causes and types of ice formation.

2. Types of ice detection systems.

3. Anti-ice and de-ice systems and principles of operation including:

  • propeller/rotor
  • powerplant (air inlets, external sensors, fuel heaters)
  • windshields
  • air data gathering devices
  • vents and drains
  • airframe surfaces
  • water/waste systems

4. Rain repellent systems.

20.0 Emergency Systems


1. The types and operation of emergency lighting systems.

2. The types and operation of emergency evacuation slides and rafts.

3. The types of ELTs including Underwater Locating Devices.


4. Requirements and procedures for inspecting, installing and testing of ELTs.

5. Emergency breathing apparatus.

20.1 Fire Protection


1. Various types of aircraft fire detection systems e.g. spot detectors, continuous loop, infra-red and ultra-violet.

2. Various types of suppression and extinguishing systems and safety precautions including aircraft installed and portable.

21.0 Maintenance Procedures


1. Inspection and maintenance requirements for private and commercial aircraft as outlined in the Canadian Aviation Regulations.

2. Fundamentals and types of aircraft inspections including:

  • periodic, annual and approved maintenance schedules
  • abnormal occurrence (hard landing, lightning strike, etc.)
  • special (Airworthiness Directive or Service Bulletin)

3. Weight and balance procedures and requirements including:

  • jacking
  • leveling
  • weighing
  • installed equipment list
  • weight and balance report
  • amendment requirements
  • regulatory requirements

4. Differences between fixed and rotary wing aircraft weight and balance procedures, e.g. Lateral center of gravity.

5. Fundamentals of quality assurance.


6. A weight and balance procedure on an aircraft, including associated documentation.

7. Completion of documentation of maintenance records including:

  • technical records
  • defect lists
  • technical reports
  • service difficulty reporting

8. Computerized information input and retrieval.

9. Tasks utilizing Minimum Equipment Lists, Configuration Deviation Lists and built in test equipment programs.

22.0 Imperial and Related Units


1. Calculation including conversions using:

  • Length: feet, inches, statue mile, nautical mile
  • Velocity: feet/sec., miles/hr., knots
  • Weight/Mass: pounds, ounces
  • Volume: pints, quarts, imperial gallons,
  • U.S. gallons
  • Temperature: Fahrenheit, Celsius, Rankine, Calvin

23.0 DC Theory


1. DC theory.

2. Electron theory.

3. Magnetism.

4. Potential difference and capacitance.

5. Current and resistance.

6. Electrical measurements.

7. Sources of electrical energy.

8. Magnetic effects of electric current.

9. Inductance fundamentals.

10. Direct current generators and motors.

11. Synchros (synchronous transmitters, receivers and resolver).

12. Tranducers.

13. DC CCTs and analysis.


14. Sources of electrical energy.

15. Direct current measuring devices.


16. Electrical switches.

24.0 AC Theory


1. Alternating current (AC) theory.

2. AC generators, motors and transformers - theory.

3. Synchros (synchronous transmitters, receivers and resolver) .

4. Transducers.

5. RCL\RC\RL circuits.

6. Resonant circuits.

7. Capacitance fundamentals.


8. AC measuring devices.

9. Vacuum tube devices.

25.0 Analog Theory


1. Semiconductor devices.

2. Semiconductor - theory.

3. Diodes.

4. Transistors.

5. Power supplies.

6. Rectification.

7. Filtering.

8. Regulation.

9. Controls.

26.0 Digital Theory Principles


1. Integrated circuits (LSI, CMOS).

2. Special application IC’s.

3. Pulse techniques.

4. Pulse parameters.

5. Pulse modulation (PAM, PWM, RPM, PCM).

6. Multivibrators (monostable, astable, bistable).

7. Boolean algebra.

8. Basic laws and expressions.

9. Numbering systems.

10. Decimals.

11. Binary.

12. Hexadecimal.

13. Octal.

14. Conversions.

15. Binary computations.

16. Digital electronics techniques.

17. Logic gates ( AND, OR, Invert, NAND, NOR, COMP).

18. Application of logic gates (Decoder, AD/DA, Multiplexing).

19. Application of basic digital/microcomputer technology.

20. Microprocessors/data transfer between systems.

21. Summing amplifiers (operational amplifiers).

22. Differentiators.

23. Integrators.

24. Servo loops.

25. Application of control systems e.g. powerplant, flight control, landing gear.

26. Integrated circuits (LSI, CMOS).

27. Special application IC’s.


28. Binary computations and conversions.

27.0 Maintain Communication Systems


1. ELTs.

2. Radio antennas.

3. H.F. communications.

4. VHF communications.



6. Acceptable standards.


7. Radio - theory.

8. Amplifiers.

9. Oscillators.

10. Filters.

11. Mixers.

12. Modulation.

13. Radio antennas.

14. Radio transmitters and receivers.

15. Troubleshooting techniques.

16. Remote Radio Channeling.

17. Digital communications

18. H.F. communications.

19. VHF communications.


21. Interphone, including, flight , service, audio Integration.

22. Passenger entertainment (Multiplex audio and video).

23. Air/Ground radio telephone.

24. ELTs - Sat Comm.

25. Aircraft systems troubleshooting, including:

  • ramp testing and troubleshooting communication equipment
  • locating and repairing predetermined faults


26. Installation of avionics systems including:

  • equipment tray
  • wire installation
  • antenna installation
  • Line Replaceable Unit

27. Electrical load analysis.

28. Weight and balance amendment.

29. Maintenance release/Conformity Certificate.

30. Technical records entries.

31. Functional check of H.F. communications, VHF communications systems.

Test, Troubleshoot, Repair, Adjust, Remove and Replace:

32. ELTs.

33. Radio antennas.

34. H.F. communications.

35. VHF communications .

28.0 Maintain Navigation Systems


1. Acceptable standards.


2. Navigation principles.

3. Navigation antennas.

4. Standard practices.

5. Flight Management Systems.

6. Inertial Navigation Systems.

7. Inertial Reference.

8. Radio navigation:

  • ADF
  • VOR
  • Localizer
  • Glide Slope
  • Marker Beacon
  • Horizontal Situation Indicator/R.M.I
  • Area Nav


10. Hyperbolic navigation principles.

11. Global Positioning Systems.

12. Aircraft system troubleshooting including:

  • ramp testing and troubleshooting navigation equipment
  • locating and repairing predetermined faults

Test, Troubleshoot, Repair, Adjust, Remove and Replace:

13. The following systems, including its associated antennas:

  • ADF
  • VOR
  • Localizer
  • Glide Slope
  • Marker Beacon
  • Horizontal Situation Indicator/R.M.I.
  • Area Nav.
  • Global Positioning Systems


14. Avionics system equipment tray installation.

15. Wire installation.

16. Antenna installation.

17. Installation of Line Replaceable Unit.

18. Electrical load analysis.

19. Weight and balance amendment.

20. Maintenance release/Conformity Certificate.

21. Technical records entries.

29.0 Maintain Pulse Systems


1. Radar navigation systems including:

  • introduction to microwave principles and pulse techniques
  • weather radar
  • DME interrogator
  • ATC transponder
  • TCAS
  • Radio altimeter (LRRA)
  • Doppler principles
  • GPWS

2. Troubleshooting Aircraft Systems, including:

  • ramp test and troubleshoot pulse systems
  • locate and repair predetermined faults

3. Avionics system installation, including:

  • equipment tray installation
  • wire installation
  • antenna installation
  • Line Replaceable Unit.

Test, Troubleshoot, Repair, Adjust, Remove and Replace:

4. Radar navigation systems, including:

  • weather radar
  • DME interrogator
  • ATC transponder
  • Radio altimeter (LRRA)

30.0 Maintain Auto Flight Control Systems


1. Introduction and system overview of:

  • yaw damper system
  • flight director
  • autopilot
  • speed command
  • auto throttle
  • standard practices
  • VNAV
  • Stability Augmentation System

2. Aircraft systems troubleshooting, including:

  • ramp testing and troubleshooting of auto flight equipment
  • locating and repairing faults

31.0 Maintain Electrical Systems


1. Proper use of test equipment to support curriculum.

2. Wiring practices, including wire and co-axial cable specifications (MIL and FAA) .

3. Drawing and schematic symbology.

4. Bonding EMI/RFI suppression techniques.


5. Wire stripping.

6. Soldering/de-soldering.

7. Crimping methods (various).

8. Splicing techniques (various).

9. Looming procedures.

10. Plugs, receptacles and connectors procedures.

11. Physical protection devices techniques.

12. Potting techniques.

13. High reliability techniques.

14. Routing/lacing/clamping techniques.

15. Wire identification.

16. Wire selection.

17. Electrical load analysis.

18. Weight and balance amendment.

19. Maintenance release/conformity certificate.

20. Technical records entries.

21. Controls (voltage regulators and protection devices).

Troubleshoot Aircraft Systems including:

22. Ramp test and troubleshoot electrical systems.

23. Locate and repair predetermined faults.

24. Service batteries.

25. Test DC generation, including controls (voltage regulators and protection devices) and inverters.

26. Label, test, troubleshoot and repair:

  • AC generation:
    • introduction
    • alternators (AC. generators)
    • DC generation:
    • introduction
    • generators
  • installation of:
    • electrical system wires
    • components
    • batteries


27. Electrical system installation including acceptable standards.

28. Electrical power systems monitoring devices.

32.0 Maintain Instrument Systems


1. Acceptable standards.


2. Air data systems and instrumentation, including:

  • pitot and static system check
  • central air data computing system
  • air data instruments (MACH/IAS, VSI/IVSI, BARO ALTM)
  • air temperature instruments
  • mach-airspeed warning

3. Attitude and direction, including:

  • introduction to gyroscopic and flux valve principles
  • gyrosyn compass system/magnetic compass
  • attitude reference systems
  • turn and bank/turn coordinator/slip indication
  • standby artificial horizon
  • laser gyro
  • attitude director indicators
  • video displays
  • EFIS

4. Flight Data and Voice Recorder, including:

  • system requirement
  • system operation and testing
  • Underwater Acoustic Beacon operation and testing

5. Compass swing.

6. Data bus systems.

7. The Installation of instrument system including:

  • equipment installation
  • wire installation


8. Electrical load analysis (if applicable).

9. Weight and balance amendment.

10. Maintenance release/Conformity Certificate.

11. Journey and technical log entries.

12. Compass swing.

13. Installation of instrument system including equipment and wire installation.

Test, troubleshoot, repair, adjust, remove and replace:

14. Ramp test and troubleshoot instrument systems.

15. Locate and repair predetermined faults.

16. Air Data Systems and instrumentation, including:

pitot and static system and check

Air Data Instruments (MACH/IAS, VSI/IVSI, BARO ALTM).

Central Air Data Computing system

Gyrosyn compass system/magnetic compass.