Unit of competency Outline

Date retreived
22/07/2026 9:55 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.

Maintain aircraft vapour cycle air conditioning systems

Maintain aircraft vapour cycle air conditioning systems

Unit of competency
National Code
MEAMEC0077
State Code
OFH27
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
04/09/2025
View on TGA
State Implementation and Classification
Approved Date
30/10/2025
Field of Education
031503 - Aircraft Maintenance Engineering
Original Release Date
30/10/2025
Nominal Hours
50
Description
This unit of competency describes the skills and knowledge required to maintain aircraft vapour cycle air conditioning systems. Maintenance involves inspection, testing, fault diagnosis, and parts replacement during scheduled and unscheduled maintenance. Work may be performed individually or as part of a team.This unit applies to a range of types of aircraft vapour cycle air conditioning systems and components. 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 vapour cycle air conditioning systems
  • 1.1 Check isolation tags already attached to the system or related systems and configure aircraft/engine for safe system inspection and operation in accordance with applicable maintenance manual
  • 1.2 Check vapour cycle air conditioning systems for external and internal signs of defects in accordance with applicable maintenance manual while observing all relevant work health and safety (WHS) requirements, including the use of safety data sheets (SDS) and items of personal protective equipment (PPE)
2. Test vapour cycle air conditioning systems
  • 2.1 Prepare aircraft and system in accordance with applicable maintenance manual
  • 2.2 Test vapour cycle air conditioning system in accordance with prescribed test procedures to establish serviceability and correct function in accordance with applicable maintenance manual
3. Troubleshoot vapour cycle air conditioning systems
  • 3.1 Use available information from maintenance documentation and inspection and test results to assist in fault determination
  • 3.2 Use maintenance manual fault diagnosis guide and logical processes to ensure efficient and accurate troubleshooting to line replacement level
  • 3.3 Locate vapour cycle air conditioning system faults and identify and record the causes of the faults in maintenance documentation
  • 3.4 Determine fault rectification requirements to assist in planning the repair
4. Remove vapour cycle air conditioning system components
  • 4.1 Render aircraft and vapour cycle air conditioning system safe, including fitting of isolation tags where required, in accordance with applicable maintenance manual, to ensure safety of personnel prior to removal of any components
  • 4.2 Perform refrigerant evacuation in accordance with regulatory requirements and maintenance manual procedures
  • 4.3 Carry out component removal in accordance with the applicable maintenance manual while observing all relevant WHS requirements, including the use of SDS and items of PPE
  • 4.4 Tag and prepare components for transport or storage in accordance with the specified procedures
  • 4.5 Complete and process required maintenance documentation in accordance with standard enterprise procedures
5. Install vapour cycle air conditioning system components
  • 5.1 Check components to be installed to confirm correct part or model numbers, modification status and serviceability
  • 5.2 Carry out installation in accordance with the applicable maintenance manual while observing all relevant WHS requirements, including the use of SDS and items of PPE
  • 5.3 Recharge vapour cycle air conditioning system with refrigerant, in accordance with regulatory requirements and maintenance manual procedures
  • 5.4 Test vapour cycle air conditioning system for correct function and freedom from refrigerant leaks
  • 5.5 Complete and process required maintenance documentation in accordance with standard enterprise procedures
No information
No information
Replaces
State Code National Code Title Type
AUF91 MEA362 Maintain aircraft vapour cycle air conditioning systems Unit of competency