Online course

EWIS TG 4&5: Recurrent (Electrical Wiring Interconnection Systems)

Fully Compliant with EASA AMC 20-22

For decades, aircraft wiring was treated as a secondary installation however, major air transport accidents and aging fleet data revealed a critical truth: wiring is an open, complex system that requires its own dedicated safety analysis and maintenance philosophy.

This comprehensive e-learning program is built strictly in accordance with EASA AMC 20-22, ensuring your team masters the skills necessary to identify, maintain, and protect the complex electrical pathways that keep modern aircraft safely in the air.

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Aircraft electrical wiring harness for EWIS training

Targeted for Safety: Groups 4 & 5

AMC 20-22 establishes specific target groups to ensure personnel receive training suited to their exact operational impact. This course covers the technical requirements for Target Groups 4 and 5:

Target Group 4 (Qualified staff performing general maintenance/inspections not involving wire maintenance (LRU change is not considered wire maintenance): These staff members are personnel who perform maintenance on aeroplane that may require removal/reconnection of electrical connective devices (e.g. inspectors/technicians cat A or B1).
Target Group 5 (Qualified staff performing other engineering or planning work on in-service aeroplane.): These staff members are personnel who are authorised to design mechanical/structure systems installations, modifications and repairs, or personnel who are authorised to plan maintenance tasks.

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