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General Introduction – Information Security (IS) for EASA Part 145 Organizations

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EASA Part 145 Organizations blog image

April 04, 2025

Steven Bentley

Sofema Aviation Services (SAS) considers key elements related to Cyber Security Compliance within an EASA Part 145 Organisation The introduction of Regulation (EU) 2023/203, mandates the integration of information security requirements into aviation safety management. For EASA Part 145 organizations, adopting robust information security practices demands a shift in how these organizations approach their operational, technical, and…

Development of EWIS Continuation Training

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Two individuals working on an electrical wiring test board with measuring instruments, representing practical EWIS training. Sofema Aviation Services logo and the text 'Development of EWIS Continuation Training' is displayed

April 03, 2025

Steven Bentley

Sofema Aviation Services (SAS) looks at the challenge of EWIS Continuation  Training While initial training introduces EWIS principles, continuation training reinforces, updates, and deepens that knowledge, addresses evolving risks, and helps mitigate human factors associated with long-term maintenance activities. Regulatory Basis for EWIS Continuation Training Under EASA AMC 20-22, organizations approved under Part-145 and other…

Part 21 Design Organisations Subpart J – EWIS Challenges & Mitigations

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"Electrical wiring and schematic diagram with orange fiber optic cables, overlaid with the Sofema Aviation Services logo and a title text about Part 21 Design Organisations Subpart J – EWIS Challenges & Mitigations."

April 02, 2025

Steven Bentley

Sofema Aviation Services (SAS) considers key elements of the EASA Part 21 EWIS design and best practice implementation. Introduction EASA Part 21 Design Organisations Subpart J face significant challenges in managing and maintaining Electrical Wiring Interconnect Systems (EWIS). Historical evidence, including major accidents has shown that improper EWIS design, maintenance, and oversight can lead to…

Key Responsibilities of EASA Part 21 Subpart J Design Organisations in Respect of EWIS Requirements

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April 01, 2025

Steven Bentley

Sofema Aviation Services (SAS) Considers the EASA Part 21 Subpart J Design Organisation Key Responsibilities related to EWIS requirements Introduction Design Organisations under EASA Part 21 Subpart J hold a key responsibility in ensuring that EWIS is designed, installed, and maintained in a way that minimises the risk of fire, system failure, and safety hazards….

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