- Maintain, repair, overhaul, modify and test electrical, electronic, instrument and radio systems-components
- Day to day tasks include dismantling, inspecting, testing, repairing and reassembling aircraft engines, installing electrical circuits, testing aircraft communication equipment, aircraft instrumentation and electronic systems, replacing and testing aircraft oxygen system components, assembling parts and subassemblies of aircraft frames, conducting routine pre-flight inspections of engines, aircraft frames and mechanical systems.