This unit involves the skills and knowledge required to diagnose and rectify faults in aviation navigation circuits and systems in compliance with relevant regulatory requirements of the Civil Aviation Safety Authority (CASA) and national operating standards.

It includes diagnosing aviation navigation circuits and system faults, interpreting circuit diagrams, rectifying faults, conducting safety inspections and functional testing, and completing the necessary service documentation.

Permits may be required for some work environments, such as confined spaces, working aloft, near live electrical apparatus and site rehabilitation.

No licensing, legislative or certification requirements apply to this unit at the time of publication.