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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 while observing all relevant work health and safety (WHS) requirements
   • Defects are correctly identified and recorded in accordance with standard enterprise procedures

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.
Electronic systems and components include:	Electronic instrument displays – electronic flight instrument system (EFIS), engine indicating and crew alerting system (EICAS), flight management computer system (FMCS), electronic central aircraft monitor system (ECAM) and head-up display (HUD) (where applicable to the enterprise) Instrument navigation systems – inertial navigation system (INS), inertial reference system (IRS), compasses and attitude and heading reference system (AHRS) Communication systems – high frequency (HF), very high frequency (VHF), ultra-high frequency (UHF), satellite communications (SATCOM), intercom, data and cabin network services, emergency location transmitter (ELT) and cockpit voice recorder (CVR) Radio navigation systems – automatic direction finding (ADF), very high frequency omni-range (VOR), instrument landing system (ILS) and global navigation systems (GNS) Pulse operated systems – weather radar, navigation radar, air traffic control (ATC) transponder, automatic dependent surveillance-broadcast (ADS-B), radio altimeter (RADALT), distance measuring equipment (DME), doppler and airborne collision avoidance system (ACAS) (where applicable to the enterprise) Integrated modular avionics (where applicable to the enterprise) Information systems – air traffic and information management, network servers (where applicable to the enterprise)
Procedures and requirements include:	Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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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 avionic system being maintained

recognition of system and component defects/external damage, correct installation, connection of plugs, terminations, and attaching hardware (including cabling/harnesses) and security in:

multi-function display systems (interface units, display generators and display units), i.e. HUD, EICAS, FMS, ACARS, EFIS and ECAM

integrated modular avionics (where applicable to the enterprise)

INS and IRS

external communications systems:

HF

UHF

VHF

SATCOM

ELT

internal communications systems:

intercommunication

cabin intercommunication data systems

cabin network services

CVR

information systems, such as air traffic and information management systems, and network server systems (where applicable to the enterprise)

RF navigation systems:

ILS

VOR

ADF

GNS

pulse systems that are applicable to the enterprise, including:

primary radar (navigation/weather) components and interface

ACAS components and interface

radio altimeter components and interface

DME components and interface

ATC transponders

ADS-B

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

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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 and connection of hardware

the basic layout (block diagram level) and operation of:

multi-function display systems (interface units, display generators and display units), i.e. HUD, ICAS, FMS, ACARS, EFIS and ECAM

integrated modular avionics

INS and IRS

external communications systems:

HF

UHF

VHF

SATCOM

ELT

internal communications systems:

intercommunication

cabin intercommunication data systems

cabin network services

CVR

information systems, such as air traffic and information management systems, and network server systems

RF navigation systems:

ILS

VOR

ADF

GNS

primary radar (navigation/weather) components and interface

ACAS components and interface

radio altimeter components and interface

DME components and interface

ATC transponders

ADS-B.

relevant WHS practices

maintenance requirements

relevant maintenance manuals

relevant regulatory requirements and standard procedures.

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