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MEA224 — Inspect aircraft instrument systems and components

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What an assessment for MEA224 must cover

53 assessable components: 1 element (3 performance criteria), 11 performance evidence and 39 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 Inspect instrument systems and components

  • 1.1Isolation tags are checked and aircraft configured for safe system inspection and operation in accordance with the applicable maintenance manual
  • 1.2Instrument system components are visually or physically checked for external signs of defects in accordance with applicable maintenance manual while observing all relevant work health and safety (WHS) requirements
  • 1.3Defects are correctly identified and recorded in accordance with standard enterprise procedures

Performance evidence

  • applying relevant WHS practices
  • using approved maintenance documentation and aircraft publications relating to the instrument system being maintained
  • recognition of system and component defects/external damage, correct installation, connection of plugs, terminations, and attaching hardware (including cabling/harnesses) and security in:
  • pitot/static systems and associated instruments and systems
  • flight instruments
  • GPWS and FDR
  • stall warning, angle of attack and stall avoidance systems
  • navigation systems (compasses and AHRS)
  • pressure measurement, position indicators, engine/auxiliary system indication systems, including fuel quantity and flow.
  • It is essential that inspection procedures, cleanliness requirements and safety precautions applicable to the instrument system being maintained are fully observed, understood and complied with. Ability to interpret inspection procedures and specifications (allowable limits) and apply them in practice (including the timely involvement of supervisors or other trades) is critical.
  • Evidence of transferability of skills and knowledge related to inspection is essential. This is to be demonstrated through application across a range of aircraft instrument systems and components listed in the Assessment Conditions.

Knowledge evidence

  • component attachment methods
  • connection of hardware
  • instrument system maintenance requirements
  • the basic layout (block diagram level), function and operation of:
  • flight instruments, including:
  • ASIs
  • VSIs
  • air data systems and components
  • machmeters
  • altimeters, including servo and encoding altimeters
  • turn and slip indicators
  • AHs
  • DGs
  • angle of attack and stall warning/avoidance systems
  • pitot/static systems
  • navigation systems:
  • direct reading compasses
  • gyro compasses
  • AHRS
  • GPWS
  • turbine engine instruments, including:
  • temperature and pressure, including thermocouples, sensors and transmitters
  • speed, including mechanical and electric tachometers
  • thrust, including fan, propeller and jet
  • torque
  • fuel flow
  • vibration
  • auxiliary transmitter/indicator measuring systems, including:
  • hydraulic pressure and temperature
  • pneumatic pressure
  • transmission oil pressure and temperature
  • fuel remaining/used
  • fuel quantity indication
  • component position (e.g. doors, flaps, speed brakes and landing gear)
  • FDR systems
  • relevant WHS practices
  • instrument system maintenance requirements
  • relevant maintenance manuals
  • relevant regulatory requirements and standard procedures.

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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEA224

What does an assessment tool for MEA224 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEA224 needs to address all 53 unit components: 1 element with 3 performance criteria, 11 performance evidence requirements, 39 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 MEA224?

Auditori pulls the current release of MEA224 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 MEA224 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEA224 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 MEA224, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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