March 26, 2025

Steven Bentley

Sofema Aviation Services (SAS) www.sassofia.com is pleased to share that a new course has been added to our training portfolio:

Electrical Wiring Interconnect Systems (EWIS) for Part 21 – 2 Days

Available as a Classroom or Webinar training* – Register at [email protected]

*New – Participants can now enrol Free of Charge (FOC) in a complementary 1-day Sofema Online (SOL) training to enhance their learning experience.

What is the training about?

The Electrical Wiring Interconnect Systems (EWIS) – Part 21 – 2 Days training provides participants with a comprehensive understanding of the regulatory requirements and best practices related to EWIS in the context of EASA Part 21.s. Focused on the responsibilities of EASA Part 21 Subpart J Design Organisations, the course addresses key areas including human factors integration, design challenges, inspection program development, and EZAP implementation. Participants will gain practical insight into minimizing safety risks such as fire and system failure while ensuring compliance with ICA requirements and effective integration of EWIS considerations into the Safety Management System. Read more 

Which topics will be addressed?

–  Introduction
–  EWIS Regulatory Drivers
–  Acronyms
–  Terminology
–  EWIS Background
–  Why are we training EWIS ?
–  Swissair 111 / BA 737-436, G-DOCH
– AMC 20-21
– CS 25 Subpart H Electrical Wiring Interconnect Systems (EWIS)
– Development of EWIS Inspection
– CRI H-01 “Instructions for Continued Airworthiness (ICA) on
– Electrical Wiring Interconnecting Systems (EWIS)
– Part 21 EWIS Design Challenges & Mitigations
– AMC 20-8 – Mandatory Reporting
– Standard Practices
– Electro Static Discharge Sensitive – ESDS

See the full table of contents 

Why should you choose Sofema Aviation Services?

Sofema Aviation Services is a Regulatory training and consulting company with over 45 years of commercial aviation experience and 15+ years of operational experience. Since our start, we have achieved over 150,000 enrolments and grown for two primary reasons! The first is that we are professional, and we listen to our customers. Please visit our download area as an example of how we engage with our customers. The second is not only the fact that our prices are far more cost-effective than our competitors, but it is also that our discount program leaves all the others way behind – please do not take our word for it, check it out – SAS Discount Program.

What do people say about Sofema Aviation Services training?

“I found satisfying answers to all my questions.”
“The instructor demonstrated a very deep knowledge of the subject.”
“The length of the course fits my needs and expectations.”
“The content was really effective, I gained a lot of new knowledge.”
“The practical examples were perfectly delivered.”

Strengthen your competence in aircraft wiring systems. Request the training by emailing [email protected]!

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Tags:

Safety Management System, EASA Part 21 Subpart J, Swissair 111/BA 737-436, New SAS training, Human Factors in Aviation, Design Organisations, EWIS Zone Analysis Procedure (EZAP), CRI H-01, ICA requirements, AMC 20-8, Electro Static Discharge Sensitive – ESDS