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EWIS Short Course


About This Program

Electrical Wiring Interconnection System(EWIS) means any wire, wiring device, or combination of these, including termination devices, installed in any area of the aeroplane for the purpose of transmitting electrical energy, including data and signals between two or more intended termination points.


  • Know or demonstrate the safe handling of aeroplane electrical systems, Line Replaceable Units (LRU), tooling, troubleshooting procedures, and electrical measurement.
  • Know the contamination sources, materials, cleaning and protection procedures.