Unit of competency Outline

Date retreived
22/07/2026 8:31 PM AWST

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Maintain twin-engine aircraft electrical systems and components

Maintain twin-engine aircraft electrical systems and components

Unit of competency
National Code
MEAAVI0047
State Code
OEG34
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
22/11/2022
View on TGA
State Implementation and Classification
Approved Date
28/03/2023
Field of Education
031503 - Aircraft Maintenance Engineering
Original Release Date
28/03/2023
Nominal Hours
60
Description
This unit describes skills and knowledge that extend those developed in MEAAVI0002 Remove and install basic aircraft electrical system components and MEAAVI0008 Inspect, test and troubleshoot basic aircraft electrical systems and components to include the maintenance of additional electrical systems found in twin piston engine fixed wing aircraft during scheduled or unscheduled maintenance. Work may be performed individually or as part of a team.The unit is used in workplaces that operate under the airworthiness regulatory systems of the Civil Aviation Safety Authority (CASA) and the Defence Aviation Safety Authority (DASA).Any other relevant legislation, industry standards and codes of practice within Australia must be applied.
Notes
Elements and Performance Criteria
1. Inspect twin engine aircraft electrical systems and components
  • 1.1 Identify specific inspection requirements using maintenance documentation and modification status, including relevant system defect reports
  • 1.2 Check isolation tags and configure aircraft for safe system inspection and operation in accordance with maintenance manual while observing all relevant work health and safety (WHS) requirements
  • 1.3 Visually or physically check direct current (DC) electrical systems for external signs of defects in accordance with maintenance manual
  • 1.4 Identify and report defects in accordance with standard enterprise procedures
2. Test or adjust twin engine aircraft electrical systems
  • 2.1 Prepare aircraft and system for application of power or system operation in accordance with maintenance manual
  • 2.2 Perform functional testing on electrical system for evidence of serviceability or malfunction in accordance with maintenance manual
  • 2.3 Perform required calibration or adjustments to system in accordance with maintenance manual
3. Troubleshoot twin engine aircraft electrical systems
  • 3.1 Use available information from maintenance documentation and inspection and test results to assist in fault determination of identified issues
  • 3.2 Troubleshoot to line replacement level using maintenance manual fault diagnosis guides and logic processes
  • 3.3 Obtain required specialist or supervisory advice to assist with the troubleshooting process
  • 3.4 Locate electrical system faults and identify and record causes of faults in required maintenance documentation
  • 3.5 Determine requirements for rectification of faults
4. Remove and install twin engine aircraft electrical system components
  • 4.1 Render system safe and prepare it in accordance with maintenance manual, fitting required isolation tags, to ensure personnel safety
  • 4.2 Remove electrical components in accordance with maintenance manual while observing all relevant WHS requirements
  • 4.3 Complete and process required maintenance documentation relating to removal in accordance with standard enterprise procedures
  • 4.4 Tag and pack removed components in accordance with specified procedures
  • 4.5 Confirm correct part numbers, modification status, serviceability and shelf life of electrical components to be installed against maintenance manual
  • 4.6 Perform physical installation including connections of electrical components in accordance with the applicable maintenance manual, and ensure appropriate adjustment or alignment with mechanical interface is carried out
  • 4.7 Reinstate system to operational condition in preparation for testing, as necessary, and in accordance with maintenance manual
  • 4.8 Complete and process required maintenance documentation relating to installation in accordance with standard enterprise procedures
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Replaces
State Code National Code Title Type
AUD94 MEA277 Maintain twin engine aircraft electrical systems and components Unit of competency
No information