As an Avionics Technician, you will need to master following:

• aircraft flight control systems
• common aviation safety regulations
• electrical systems used in transportation
• electronics principles

More generally, an avionics technician is also versed in:

• apply health and safety standards
• apply soldering techniques
• assemble electrical components
• electrical engineering
• electrical wiring plans
• electricity
• electronics
• install electrical and electronic equipment
• operate soldering equipment
• read engineering drawings
• read standard blueprints
• solder electronics
• test electronic units
• troubleshoot
• wear appropriate protective gear

It also helps to know the following:

• engineering processes
• follow procedures to control substances hazardous to health
• CAD software
• CADD software
• CAE software
• adjust engineering designs
• calibrate electronic instruments
• conduct performance tests
• engineering principles
• keep records of work progress
• liaise with engineers
• maintain electrical equipment
• maintain electronic equipment
• use CAD software
• use CADD software
• use testing equipment