Installs, modifies, overhauls, maintains, troubleshoots, repairs, rebuilds, aligns, and calibrates complete electronic avionics multi systems control, Demonstrates a thorough working knowledge of complex aircraft avionics and or ECM systems such as the electronics package in a highly automated aircraft where the integrated flight and Integrated Counter-measures System, electronic multiplex communications bus, Inertial Navigation System, multi-function displays, head-up display, data transfer equipment, Global Positioning System, Situation Awareness Data-Link (SADL), Data Modem, Flight Control System, pitot-static system and related instrumentation, flight director instrumentation, Central Air Data Computer, engine, hydraulic and fuel quantity indicating systems, voice message warning, Very High Frequency (VHF), Ultra High Frequency (UHF), Satellite Communications (SATCOM) Data, intercom, secure voice communications, Identification Friend or Foe (IFF), Tactical Air Navigation System (TACAN), Evaluates operational characteristics of the integrated systems by observing and analyzing waveforms, voltage, current, power indications, computer registers and printouts. Skill in the set up and operation of computer controlled test equipment such as Portable Automated Test Station (PATS), Joint Service Electronic Combat System Tester (JSECST),test stands, oscilloscopes (dual trace, storage, digitized), spectrum, network and distortion analyzers, frequency counters, and signal generators; in interpreting complex drawings, specifications, and schematics of complete multisystem complexes such as the complete electronics package for an aircraft including numerous interconnections of signal paths both between and within individual subsystems of the multi-system complex; and in troubleshooting, installing, repairing, and maintaining electronic integrated multi-systems where circuit theory must be used to understand the operation of a large number of circuits and functions, and the interaction of subsystems which create malfunctions.