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Elements and Performance Criteria

1. Inspect electronic systems and components.
   • Isolation tags are checked and aircraft configured for safe system inspection and operation in accordance with the applicable maintenance manual.
   • Electronic system components are visually or physically checked for external signs of defects in accordance with applicable maintenance manual.
   • Defects are correctly identified and recorded in accordance with standard enterprise procedures.

Required Skills

Required skills

Look for evidence that confirms skills in Application of relevant occupational health and safety OHS practices The use of approved maintenance documentation and aircraft publications relating to the avionic system being maintained Recognition of system and component defectsexternal damage correct installation connection of plugs terminations attaching hardware including cablingharnesses and security in multifunction display systems interface units display generators display units ie headup display systems HUD engine indicating and crew alerting systems EICAS flight management systems FMS ACARS electronic flight instrument systems EFIS electronic centralised aircraft monitor systems ECAM integrated modular avionics inertial navigation systems INS inertial reference systems IRS external communications systems high frequency HF ultra high frequency UHF very high frequency VHF satellite communication SATCOM emergency location transmitter ELT internal communications systems intercommunication cockpit voice recorders CVR cockpitcabin audio visual data systems cabin network services information systems such as air traffic and information management systems and network server systems radio frequency navigation systems instrument landing system ILS very high frequency omnirange VOR automatic direction finding ADF global navigation system GNS primary radar navigationweather components and interface aircraft collision avoidance ACAS components and interface radio altimeter components and interface distance measuring equipment DME components and interface ATC Transponders

Required knowledge

Look for evidence that confirms knowledge of Component attachment methods and connection of hardware The basic layout block diagram level and operation of multifunction display systems interface units display generators display units ie HUD ICAS FMS ACARS EFIS ECAM integrated modular avionics INS IRS external communications systems HF UHF VHF SATCOM ELT internal communications systems intercommunication Cockpit Voice Recorders cockpitcabin audio visual data systems cabin network services information systems such as air traffic and information management systems and network server systems radio frequency navigation systems ILS VOR ADF GNS primary radar navigationweather components and interface ACAS components and interface radio altimeter components and interface DME components and interface ATC Transponders

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to inspect aircraft electronic systems and components while observing all relevant safety precautions
Critical aspects for assessment and evidence required to demonstrate competency in this unit	The underlying skills inherent in this unit should be transferable across a range of inspection applications including the timely involvement of supervisors or other trades associated with aircraft electronic systems and components It is essential that cleanliness requirements and safety precautions applicable to the system being maintained are fully observed understood and complied with Ability to interpret inspection procedures and specifications allowable limits and apply them in practice is critical Evidence of transferability of skills and knowledge related to inspection is essential This is to be demonstrated through application across a range of electronic systems and components listed in the Range Statement The work plan should take account of applicable safety and quality requirements in accordance with the industry and regulatory standards A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements of the Unit of Competency are being achieved under routine supervision on each type of system listed in Groups to in the Range Statement and at least one component for each listed system type Groups and may be omitted where they are not applicable to the enterprise This shall be established via the records in the Log of Industrial Experience and Achievement or where appropriate an equivalent Industry
Context of and specific resources for assessment	Competency should be assessed in the workplace or simulated workplace using tools and equipment specified in the maintenance manuals It is also expected that general and special purpose tools test and ground support equipment would be used where appropriate
Method of assessment
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Note	Range statements listed below are numbered to facilitate specification of the assessment requirements included in the Evidence Guide.
Electronic systems and components	Electronic systems and components include: 1. Electronic instrument displays - electronic flight instrument systems (EFIS), engine indicating and crew alerting systems (EICAS), flight management systems (FMS), electronic centralised aircraft monitor systems (ECAM), and head-up display systems (HUD) (where applicable to enterprise) 2. Instrument navigation systems - inertial navigation systems (INS), inertial reference systems (IRS), compasses and attitude and heading reference systems (AHRS) 3. Communication systems - high frequency (HF), very high frequency (VHF), ultra high frequency (UHF), satellite communication (SATCOM), intercom, data and cabin network services, emergency location transmitter (ELT) and cockpit voice recorder (CVR) 4. Radio navigation systems - automatic direction finding (ADF), very high frequency omni-range (VOR), instrument landing system (ILS), and global navigation system (GNS) 5. Pulse operated systems - weather radar, navigation radar, ATC transponder, radio altimeter (RADALT), distance measuring equipment (DME), doppler and aircraft collision avoidance system (ACAS) (where applicable to enterprise) 6. Integrated modular avionics (where applicable to enterprise) 7. Information systems - air traffic and information management, network servers (where applicable to enterprise)
	Application of this unit may relate to: Scheduled or unscheduled maintenance activities Individual or team related activities
Procedures and requirements	Refer to industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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