MEA101

Interpret work health and safety practices in aviation maintenance

MEA107

Interpret and use aviation maintenance industry manuals and specifications

MEA109

Perform basic hand skills, standard trade practices and fundamentals in aviation maintenance

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1.

Select and lay out schematically aircraft mechanical systems

1.1

Mechanical system applications in aircraft design and their relative advantages and disadvantages compared to other system types are identified

1.2

Components of mechanical systems are identified

1.3

A mechanical system is selected for an application, the schematic layout is sketched and all components are labelled

1.4

Mechanical system maintenance requirements are identified

2.

Select and lay out schematically aircraft hydraulic systems

2.1

Hydraulic system applications in aircraft design, their operation and their relative advantages and disadvantages compared to other system types are identified

2.2

Aircraft hydraulic fluids, their characteristics and handling precautions are identified

2.3

Components of hydraulic systems are identified and their operation is described in general terms

2.4

A hydraulic system is selected for an application, the schematic layout is sketched and all components are labelled

2.5

Hydraulic system maintenance requirements are identified

3.

Select and lay out schematically aircraft pneumatic systems

3.1

Pneumatic system applications in aircraft design, their operation and their relative advantages and disadvantages compared to other system types are identified

3.2

Components of pneumatic systems are identified and their operation is described in general terms

3.3

A pneumatic system is selected for an application, the schematic layout is sketched and all components are labelled

3.4

Pneumatic system maintenance requirements are identified

4.

Select and lay out schematically aircraft fuel storage and distribution systems

4.1

Typical fuel storage and distribution systems used in aircraft design are identified

4.2

Components of fuel storage and distribution systems are identified and their operation is described

4.3

A fuel storage and distribution system is selected for an application, the schematic layout is sketched and all components are labelled

4.4

Types of aircraft fuel, their characteristics and handling precautions are identified

4.5

Fuel storage and distribution system maintenance requirements are identified

5.

Set up and operate a simple hydraulic system

5.1

The hydraulic system is sketched and all components are labelled

5.2

Required components are obtained

5.3

The system is assembled and operated while observing all relevant work health and safety (WHS) requirements, including the use of material safety data sheets (MSDS) and items of personal protective equipment (PPE)

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Mechanical system applications include: 

• Flight controls
• Flap operation
• Nose wheel steering
• Landing gear door operation
• Entrance door mechanisms

Components of mechanical systems include: 

• Cables
• Chains
• Sprockets
• Pulleys
• Fairleads
• Cable tensioners
• Gearboxes
• Screwjacks
• Rods
• Universal joints
• Constant velocity joints
• Clutches
• Bearings and bushes

Hydraulic system applications include: 

• Flight controls
• Flap and spoiler operation
• Landing gear retraction and extension
• Brakes (including anti-skid)
• Nose wheel steering
• Shimmy damping
• Door operation

Components of hydraulic systems include: 

• Pumps
• Plumbing
• Valves (manual and electrically operated)
• Actuators
• Motors
• Check valves
• Pressure gauges (direct reading and electrical)
• Electrical control circuit micro switches
• Reservoirs
• Accumulators
• Filters

Pneumatic system applications include: 

• Landing gear retraction and extension
• Pneudraulic emergency systems for landing gear extension and brakes
• Engine bleed air
• Engine starting
• Anti-icing
• De-icing
• Pressurisation
• Air cycle air conditioning

Components of pneumatic systems include: 

• Precoolers
• Pressure regulator and shutoff valves
• Temperature modulating valve
• Check valves
• Over-pressure valves
• Temperature regulating valves
• Underloading valves
• Shuttle valves
• Back pressure valves
• Outflow valves
• Heat exchangers
• Moisture separators
• Chemical driers
• Filters
• Mechanical compressors
• Compressed air bottles
• De-icing boots
• Ducting

Components of fuel storage and distribution systems include: 

• Integral fuel cells
• Rigid and flexible fuel cells
• External fuel tanks
• Rigid and flexible plumbing and couplings
• Manifolds
• Selector valves
• Anti-surge valves
• Anti-gravity valves
• Fuel quantity indication
• Fuel flow indication
• Boost pumps
• Transfer pumps
• Filters
• Strainers
• Fuel heaters