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Elements and Performance Criteria

  1. Inspect primary radar systems and components
  2. Test/adjust primary radar systems and components
  3. Troubleshoot primary radar systems

Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

applying relevant WHS practices

using approved maintenance documentation and aircraft publications relating to the primary radar system being maintained

recognition of system and component defects/external damage, correct installation, connection of plugs, terminations, attaching hardware (including cabling/harnesses/transmission lines/wave guides) and security in radar (navigation/weather) system components and interface

applying logic processes, taking and interpreting system measurements, to accurately and effectively isolate malfunctions within the system and system components

performing system testing to isolate system malfunctions and assess system’s post-maintenance serviceability.

It is essential that system testing procedures, cleanliness requirements and safety precautions applicable to the radar system being maintained are fully observed, understood and complied with. Ability to interpret inspection procedures and specifications (allowable limits) and apply them in practice across a range of inspection, testing and troubleshooting applications (including the timely involvement of supervisors or other trades) is critical.

Evidence of transferability of skills and knowledge related to inspection, testing and troubleshooting is essential. This is to be demonstrated through application across a primary radar system and its components.


Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

component attachment methods

the basic layout (block diagram level), function and operation of primary radar systems

basic principles/functions relating to the system components and associated with:

basic alternating current (AC) and direct current (DC) circuit theory

digital fundamentals

analogue fundamentals

radar fundamentals

transmission lines, waveguide and antenna characteristics

primary radar system maintenance requirements and troubleshooting procedures

relevant WHS practices including those relating to ground functional testing of radar systems

relevant maintenance manuals

relevant regulatory requirements and standard procedures.