EWIS For Targets 3-5 (Refresher)

EWIS 3–5 Refresher Training Course

Electrical Wiring Interconnection System (EWIS)

This refresher course is designed for qualified personnel who have previously completed EWIS training for Target Groups 3–5. It reinforces core safety concepts, regulatory compliance, and practical procedures essential for working around aircraft electrical systems.

The course revisits key elements of the original training, including updated industry insights and real-world case studies to help maintain safety, competency, and awareness.

Who Should Attend:

• Target Group 3 & 4: Certified technicians performing maintenance or inspections (excluding direct wire work).

• Target Group 5: Engineering and planning personnel working on in-service aircraft.

Course Focus:

• Review of EWIS safety practices and risk awareness

• Refresher on LRU replacement procedures and documentation use

• ESD handling and safe work around live circuits

• Electrical bonding and contamination control

• Enhanced Zonal Analysis Procedure (EZAP)

• Case studies: lessons learned from real EWIS incidents

Assessment & Certification:

Interactive content with knowledge checks throughout. A certificate of refresher training is issued upon successful completion.

Why Take This Course:

Maintaining EWIS knowledge helps reduce risks, ensures regulatory compliance, and supports continued airworthiness and safe maintenance operations.

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✅ 2. Short Course Description – Refresher Version

EWIS 3–5 Refresher Course

Stay current with EWIS safety standards and procedures. This refresher course is ideal for previously certified Target Group 3–5 personnel needing to update their knowledge on wiring hazards, bonding, LRU replacement, and more.

Includes:
✅ Regulatory compliance
✅ Case study reviews
✅ Interactive learning
✅ Certificate on completion

Maintain your EWIS competency — safely and effectively.