Sofema Aviation Services (SAS) considers key aspects related to EWIS Design Considerations Electrical Wiring Interconnection Systems (EWIS) are a critical safety component of modern aircraft. Historically overlooked or treated as secondary to other systems, poor EWIS design has contributed to multiple catastrophic failures (TWA 800 – Swissair 111 –United Airlines (UAL) Flight 811 usually with…

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….