Subjects
To be awarded the 
MEA40715 Certificate IV in Aeroskills (Mechanical), competency must be demonstrated in:
Aircraft Maintenance Stream
Core common and imported units: eight (8) units
Elective technical stream units from Group A: thirteen (13) units
Total: twenty-one (21) units.
OR
Component Maintenance Workshop Stream
Core common and imported units: eight (8) units
Elective technical stream units from Groups B and C: six (6) units
Total: fourteen (14) units.
Core units of competency (common to both streams)
Unit code | Unit title | Prerequisites |
Interpret work health and safety practices in aviation maintenance | ||
Plan and organise aviation maintenance work activities | ||
Apply quality standards applicable to aviation maintenance processes | ||
Interpret and use aviation maintenance industry manuals and specifications | ||
Complete aviation maintenance industry documentation | ||
Perform basic hand skills, standard trade practices and fundamentals in aviation maintenance | ||
Conduct self in the aviation maintenance environment | ||
Participate in environmentally sustainable work practices |
Elective units of competency
Group A (Aircraft Maintenance Stream)
Choose thirteen (13) of the elective mechanical and structures technical stream units listed below while observing the unit selection guidelines in column 4.
Unit code | Unit title | Prerequisites | Unit selection guidelines |
Remove and install miscellaneous aircraft electrical hardware/components | |||
Fabricate and/or repair aircraft electrical hardware or parts | |||
Use electrical test equipment | |||
Perform aircraft flight servicing | |||
Remove and install aircraft hydro-mechanical and landing gear system components | |||
Remove and install aircraft pneumatic system components | |||
Remove and install non-pressurised aircraft structural and non-structural components | Do not take with | ||
Remove and install aircraft fixed wing flight control system components | |||
Remove and install engines and engine system components | |||
Remove and install propeller systems and components | |||
Remove and install rotary wing rotor and flight control system components | |||
Inspect, test and troubleshoot aircraft hydro-mechanical and landing gear systems and components | |||
Inspect, test and troubleshoot aircraft pneumatic systems and components | |||
Inspect, test and troubleshoot aircraft fixed wing flight control systems and components | |||
Inspect, test and troubleshoot piston engine systems and components | |||
Inspect, test and troubleshoot gas turbine engine systems and components | |||
Inspect, test and troubleshoot propeller systems and components | |||
Inspect, test and troubleshoot rotary wing rotor and control systems and components | |||
Remove and install pressurised aircraft structural and non-structural components | Do not take with | ||
Inspect aircraft hydro-mechanical, mechanical, gaseous and landing gear systems and components | |||
Inspect gas turbine engine systems and components | Do not take with | ||
Test and troubleshoot aircraft hydro-mechanical, mechanical, gaseous and landing gear systems and components | |||
Test and troubleshoot aircraft fixed wing flight control systems and components | Do not take with | ||
Test and troubleshoot gas turbine engine systems and components | Do not take with | ||
Fabricate and/or repair aircraft mechanical components or parts | Do not take with | ||
Maintain and/or repair aircraft mechanical components or parts | Do not take with | ||
Inspect, repair and maintain aircraft structures | |||
Maintain aircraft vapour cycle air conditioning systems | |||
Perform borescope inspections | Additional unit where CASA borescope inspection authority required | ||
Inspect aircraft structures | |||
Maintain aircraft structure/components | Do not take with | ||
Marshal aircraft |
Groups B and C (Component Workshop Stream)
Choose at least three (3) of the elective technical stream units listed in Group B and make up to a total of six (6) units with units from Group C.
Group B
Unit code | Unit title | Prerequisites |
Repair and/or overhaul aircraft hydraulic system components | ||
Repair and/or overhaul aircraft pneumatic system components | ||
Repair and/or overhaul aircraft fuel system components | ||
Repair and/or overhaul gas turbine engine air inlet and compressor components and/or modules | ||
Repair and/or overhaul gas turbine engine combustion section components and/or modules | ||
Repair and/or overhaul gas turbine engine turbine and exhaust section components | ||
Repair and/or overhaul gas turbine engine ancillary section components | ||
Test gas turbine engines and engine modules after overhaul or repair | ||
Repair and/or overhaul propellers | ||
Repair and/or overhaul rotary wing dynamic components | ||
Repair and/or overhaul aircraft mechanical system components | ||
Disassemble aircraft piston engines | ||
Repair and/or overhaul aircraft piston engine cylinder assembly components | ||
Repair and/or overhaul aircraft piston engine crankcase assembly components | ||
Reassemble aircraft piston engines | ||
Assemble aircraft piston engine quick engine change unit | ||
Test aircraft piston engines after repair or overhaul |
Group C
Unit code | Unit title | Prerequisites |
Remove and install miscellaneous aircraft electrical hardware/components | ||
Fabricate and/or repair aircraft electrical hardware or parts | ||
Use electrical test equipment | ||
Shot peen aircraft components | ||
Perform penetrant testing | ||
Perform magnetic particle testing | (Note that | |
Apply metallurgy principles |