MEA399 — Lay out and set up aircraft systems

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What an assessment for MEA399 must cover

37 assessable components: 5 elements (21 performance criteria), 6 performance evidence and 10 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Select and lay out schematically aircraft mechanical systems

1.1Identify mechanical system applications in aircraft design and their relative advantages and disadvantages compared to other system types
1.2Identify components of mechanical systems
1.3Select a mechanical system for an application, sketch the schematic layout, and label all components
1.4Identify mechanical system maintenance requirements

2 Select and lay out schematically aircraft hydraulic systems

2.1Identify hydraulic system applications in aircraft design, their operation, and their relative advantages and disadvantages compared to other system types
2.2Identify aircraft hydraulic fluids, their characteristics and handling precautions
2.3Identify components of hydraulic systems and describe their operation in general terms
2.4Select a hydraulic system for an application, sketch the schematic layout, and label all components
2.5Determine hydraulic system maintenance requirements

3 Select and lay out schematically aircraft pneumatic systems

3.1Identify pneumatic system applications in aircraft design, their operation, and their relative advantages and disadvantages compared to other system types
3.2Determine components of pneumatic systems and describe their operation in general terms
3.3Select a pneumatic system for an application, sketch the schematic layout, and label all components
3.4Identify pneumatic system maintenance requirements

4 Select and lay out schematically aircraft fuel storage and distribution systems

4.1Identify typical fuel storage and distribution systems used in aircraft design
4.2Determine components of fuel storage and distribution systems and describe their operation
4.3Select a fuel storage and distribution system for an application, sketch the schematic layout, and label all components
4.4Determine types of aircraft fuel, their characteristics, and handling precautions
4.5Identify fuel storage and distribution system maintenance requirements

5 Set up and operate a simple hydraulic system

5.1Sketch the hydraulic system and label all components
5.2Obtain required components according to hydraulic system requirements
5.3Assemble and operate system while observing work health and safety (WHS) requirements, including the use of safety data sheets (SDS) and items of personal protective equipment (PPE)

Performance evidence

lay out one typical aircraft mechanical system
lay out one typical aircraft hydraulic system
lay out one typical aircraft pneumatic system
lay out one typical fuel storage and distribution system
set up and operate one basic aircraft hydraulic system that includes: - hydraulic rig - manual selector valve - filter - accumulator - check valve - linear actuators - rigid and flexible plumbing
apply required work health and safety (WHS) precautions, including using safety data sheets (SDS) and items of personal protective equipment (PPE) required for task.

Knowledge evidence

key characteristics of mechanical aircraft systems, their components as follows, and maintenance requirements: - cables - chains - sprockets - pulleys - fairleads - cable tensioners - gearboxes - screwjacks - rods - universal joints - constant velocity joints - clutches - bearings and bushes
key characteristics of hydraulic aircraft systems, their components as follows, and maintenance requirements: - pumps - plumbing - manual and electrically operated valves - actuators - motors - check valves - direct reading and electrical pressure gauges - electrical control circuit micro switches - reservoirs - accumulators - filters
key characteristics of pneumatic aircraft systems, their components as follows, and maintenance requirements: - 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
relative advantages and disadvantages of mechanical, hydraulic and pneumatic systems
aircraft fuel storage and distribution systems and their components, including: - 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
fluid power principles
plumbing identification marking
hydraulic fluid types, characteristics and handling precautions
aircraft fuels, their characteristics and handling precautions
WHS precautions relating to aircraft systems and their operation, including procedures for using SDS and items of PPE.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEA399

What does an assessment tool for MEA399 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEA399 needs to address all 37 unit components: 5 elements with 21 performance criteria, 6 performance evidence requirements, 10 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEA399?

Auditori pulls the current release of MEA399 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEA399 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEA399 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEA399, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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