Subjects
To be awarded the 
MEA41015 Certificate IV in Aeroskills (Mechatronics) competency must be demonstrated in thirty (30) units, as follows:
seventeen (17) core common, technical stream and imported units that are applicable to all B1 and B2 Licences that are limited to release to service of basic small aircraft
thirteen (13) elective Group A technical stream units where a limited B1.1 Licence is sought
ten (10) elective Group B technical stream units where a limited B1.2 Licence is sought
eleven (11) elective Group C technical stream units where a limited B1.3 Licence is sought
ten (10) elective Group D technical stream units where a limited B1.4 Licence is sought
nine (9) elective Group E technical stream units where a limited B2 Licence is sought
elective Group F technical stream units chosen according to the requirements of the aircraft types being maintained to bring the total unit count to thirty (30) units.
Core units of competency
All seventeen (17) units must be taken if a B1 or B2 Licence applicable to basic small aircraft maintenance is being sought.
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 | ||
Perform administrative processes to prepare for certification of civil aircraft maintenance | All applicable Certificate IV units | |
Plan and implement civil aircraft maintenance activities | All applicable Certificate IV units | |
Supervise civil aircraft maintenance activities and manage human resources in the workplace | All applicable Certificate IV units | |
Apply work health and safety procedures at supervisor level in aviation maintenance | ||
Conduct self in the aviation maintenance environment | ||
Apply mathematics and physics in aviation maintenance | ||
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 | ||
Implement and monitor environmentally sustainable work practices |
Elective units of competency
Group A
All thirteen (13) units must be taken if a B1.1 Licence applicable to basic small aircraft maintenance is being sought.
Unit code | Unit title | Prerequisites |
Maintain basic light aircraft electrical systems and components | ||
Maintain basic light aircraft instrument systems and components | ||
Maintain basic light aircraft communication and radio navigation systems and components | ||
Remove and install engines and engine system components | ||
Remove and install propeller systems and components | ||
Inspect, test and troubleshoot gas turbine engine systems and components | ||
Inspect, test and troubleshoot propeller systems and components | ||
Maintain airframe systems of basic light fixed wing aircraft | ||
Maintain and/or repair small aircraft mechanical components or parts | ||
Assess structural repair/modification requirements and evaluate structural repairs and modifications | All Cert IV units listed for applicable licence | |
Inspect and maintain structure and related components of non-pressurised small aircraft | ||
Repair the structure of non-pressurised small aircraft | ||
Perform mechanical elementary maintenance |
Group B
All ten (10) units must be taken if a B1.2 Licence applicable to basic small aircraft maintenance is being sought.
Unit code | Unit title | Prerequisites |
Maintain basic light aircraft electrical systems and components | ||
Maintain basic light aircraft instrument systems and components | ||
Maintain basic light aircraft communication and radio navigation systems and components | ||
Maintain airframe systems of basic light fixed wing aircraft | ||
Maintain basic light aircraft engines and propellers | ||
Maintain and/or repair small aircraft mechanical components or parts | ||
Assess structural repair/modification requirements and evaluate structural repairs and modifications | All Cert IV units listed for applicable licence | |
Inspect and maintain structure and related components of non-pressurised small aircraft | ||
Repair the structure of non-pressurised small aircraft | ||
Perform mechanical elementary maintenance |
Group C
All eleven (11) units must be taken if a B1.3 Licence applicable to basic small aircraft maintenance is being sought.
Unit code | Unit title | Prerequisites |
Maintain basic light aircraft electrical systems and components | ||
Maintain basic light aircraft instrument systems and components | ||
Maintain basic light aircraft communication and radio navigation systems and components | ||
Remove and install engines and engine system components | ||
Inspect, test and troubleshoot gas turbine engine systems and components | ||
Maintain basic rotary wing aircraft systems | ||
Maintain and/or repair small aircraft mechanical components or parts | ||
Assess structural repair/modification requirements and evaluate structural repairs and modifications | All Cert IV units listed for applicable licence | |
Inspect and maintain structure and related components of non-pressurised small aircraft | ||
Repair the structure of non-pressurised small aircraft | ||
Perform mechanical elementary maintenance |
Group D
All ten (10) units must be taken if a B1.4 Licence applicable to basic small aircraft maintenance is being sought.
Unit code | Unit title | Prerequisites |
Maintain basic light aircraft electrical systems and components | ||
Maintain basic light aircraft instrument systems and components | ||
Maintain basic light aircraft communication and radio navigation systems and components | ||
Maintain basic rotary wing aircraft systems | ||
Maintain basic light aircraft engines and propellers | ||
Maintain and/or repair small aircraft mechanical components or parts | ||
Assess structural repair/modification requirements and evaluate structural repairs and modifications | All Cert IV units listed for applicable licence | |
Inspect and maintain structure and related components of non-pressurised small aircraft | ||
Repair the structure of non-pressurised small aircraft | ||
Perform mechanical elementary maintenance |
Group E
All nine (9) units must be taken if a B2 Licence applicable to basic small aircraft maintenance is being sought.
Unit code | Unit title | Prerequisites |
Remove and install basic aircraft electrical system components | ||
Remove and install basic aircraft instrument system components | ||
Remove and install aircraft electronic system components | ||
Inspect, test and troubleshoot basic aircraft electrical systems and components | ||
Inspect, test and troubleshoot basic aircraft instrument systems and components | ||
Inspect, test and troubleshoot instrument landing systems and components | ||
Maintain basic light aircraft avionic systems and components | ||
Fit avionic modification sheet metal components | ||
Inspect, test and troubleshoot fixed wing single axis autopilot systems and components (Refer to Group F |
Group F
Except for the B1.1 Licence, take between two (2) and four (4) of the listed units as required by the aircraft types being maintained and the unit selection guidelines in column 4 to bring the total unit count to thirty (30) units.
Unit code | Unit title | Prerequisites | Unit selection guidelines |
Remove and install basic aircraft electrical system components | Applicable to electrical retractable undercarriage | ||
Remove and install aircraft basic radio communication and navigation system components | Includes HF radio | ||
Inspect, test and troubleshoot basic aircraft electrical systems and components | Applicable to electrical retractable undercarriage | ||
Inspect, test and troubleshoot aircraft basic communication and radio navigation systems and components | Includes HF radio | ||
Inspect, test and troubleshoot instrument landing systems and components | Required for ILS | ||
Inspect, test and troubleshoot fixed wing autopilot systems and components | Required for 3 axis autopilot system may be taken instead of Group E unit | ||
Inspect, test and troubleshoot rotary wing autopilot systems and components | Required for helicopter autopilot system | ||
Inspect, test and troubleshoot aircraft primary radar systems and components | Applicable to weather radar | ||
Inspect, test and troubleshoot aircraft secondary radar systems and components | Covers RADALT, DME, Doppler and ACAS | ||
Maintain twin engine aircraft electrical systems and components | Mandatory for maintenance of light twin piston engine aircraft | ||
Inspect, test and troubleshoot instrument display systems and components | Applicable to electronic display systems | ||
Inspect, test and troubleshoot piston engine full authority digital engine control systems | Required for FADEC system maintenance | ||
Maintain light aircraft AC powered instrument systems and components | |||
Remove and install aircraft hydro-mechanical and landing gear system components | Applicable to hydraulic retractable undercarriage and systems with engine driven pump | ||
Remove and install aircraft pneumatic system components | Applicable to aircraft types with air cycle air conditioning and pressurisation | ||
Remove and install engines and engine system components | Applicable to piston and gas turbine engines | ||
Remove and install propeller systems and components | Covers variable pitch and constant speed propellers | ||
Remove and install rotary wing rotor and flight control system components | Applicable if helicopter has powered flight controls | ||
Inspect, test and troubleshoot aircraft hydro-mechanical and landing gear systems and components | Applicable to hydraulic retractable undercarriage and systems with engine driven pump | ||
Inspect, test and troubleshoot aircraft pneumatic systems and components | Applicable to aircraft types with air cycle air conditioning and pressurisation | ||
Inspect, test and troubleshoot piston engine systems and components | Covers turbo and supercharged engines | ||
Inspect, test and troubleshoot gas turbine engine systems and components | For gas turbine engine maintenance | ||
Inspect, test and troubleshoot propeller systems and components | Covers variable pitch and constant speed propellers | ||
Inspect, test and troubleshoot rotary wing rotor and control systems and components | Applicable if helicopter has powered flight controls | ||
Weigh aircraft and perform aircraft weight and balance calculations as a result of modifications | All applicable Certificate IV units | Elective | |
Maintain airframe systems of basic light fixed wing aircraft | Elective if not required by choice of Group A to E | ||
Maintain basic rotary wing aircraft systems | Elective if not required by choice of Group A to E | ||
Maintain basic light aircraft engines and propellers | Elective if not required by choice of Group A to E | ||
Maintain light aircraft pneumatic systems |
Entry RequirementsNot applicable |