Unit of competency Outline
Date retreived
22/07/2026 2:49 PM AWST
22/07/2026 2:49 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Inspect, test and troubleshoot instrument display systems and components
Inspect, test and troubleshoot instrument display systems and components
Unit of competency
National Code
MEA278
MEA278
State Code
AUE94
AUE94
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
22/07/2015
Field of Education
031503 - Aircraft Maintenance Engineering
Original Release Date
22/07/2015
Nominal Hours
60
Description
This unit of competency requires application of hand skills and the use of system/component knowledge and applicable maintenance publications and test equipment to inspect, test and troubleshoot electronic instrument display systems and components of fixed and rotary wing aircraft during scheduled or unscheduled maintenance. Work may be performed individually or as part of a team.The unit is part of the small aircraft maintenance Certificate IV Mechatronics and the Avionic Certificate IV (Aircraft Maintenance Stream) training pathways. The unit is used in workplaces that operate under the airworthiness regulatory systems of the Australian Defence Force (ADF) and the Civil Aviation safety Authority (CASA). Where a CASA licensing outcome is sought this unit forms part of the CASA requirement for the granting of the chosen maintenance certification licence under Civil Aviation Safety Regulation (CASR) Part 66, in accordance with the licensing provisions in the Companion Volume Implementation Guide.
Notes
Elements and Performance Criteria
1. Inspect electronic aircraft instrument display systems and components
- 1.1 Relevant maintenance documentation and modification status, including system defect reports, where relevant, are used to identify specific inspection requirements
- 1.2 Isolation tags are checked and aircraft configured for safe system inspection and operation in accordance with the applicable maintenance manual while observing all relevant work health and safety (WHS) requirements
- 1.3 Electronic instrument display system components are visually or physically checked for external signs of defects in accordance with applicable maintenance manual
- 1.4 Defects are correctly identified and reported
2. Test/adjust electronic aircraft instrument display systems and components
- 2.1 Aircraft and system are prepared in accordance with applicable maintenance manual for the application of power/system operation
- 2.2 Electronic instrument display system is functionally tested in accordance with maintenance manual for evidence of serviceability or malfunction
- 2.3 System calibration or adjustments are performed in accordance with maintenance manual, as appropriate
3. Troubleshoot electronic aircraft instrument display systems
- 3.1 Available information from maintenance documentation, inspection and test results is used, where necessary, to assist in fault determination
- 3.2 Maintenance manual fault diagnosis guides and logic processes are used to ensure efficient and accurate troubleshooting to line replacement level
- 3.3 Specialist advice is obtained, where required, to assist with the troubleshooting process
- 3.4 Electronic instrument display system faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required, in accordance with standard enterprise procedures
- 3.5 Rectification requirements are determined
No information
No information
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| D4447 | MEA278A | Inspect, test and troubleshoot instrument display systems and components | Unit of competency |
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| OEG79 | MEAAVI0048 | Inspect, test and troubleshoot aircraft instrument display systems and components | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| AVO4 | MEA40615 | Certificate IV in Aeroskills (Avionics) | Qualification |
| BDW5 | MEA40618 | Certificate IV in Aeroskills (Avionics) | Qualification |
| BDX7 | MEA41018 | Certificate IV in Aeroskills (Mechatronics) | Qualification |
| AVN4 | MEA41015 | Certificate IV in Aeroskills (Mechatronics) | Qualification |
| AD055 | MEASS00326 | LME056 Electrical/Instrument/Radio - B2 Licence Exclusion E34 Removal | Skill set |
| AD122 | MEASS00434 | SAL018 Avionics - B2 Glass cockpit - Rating 14 | Skill set |