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…

Sofema Aviation Services (SAS) reviews the current FAA Suspected Unapproved Parts (SUP) Program and considers key features. Introduction The FAA Suspected Unapproved Parts (SUP) Program Office, initiated in November 1995, continues to be a critical initiative for maintaining safety and integrity within the aviation industry. The program aims to proactively identify, address, and remove unapproved parts from the…

Sofema Aviation Services (SAS) Considers the key elements of EASA Information & Cyber Security Regulatory Obligations Introduction Commission Delegated Regulation (EU) 2022/1645 establishes requirements for managing information security risks with a potential impact on aviation safety. It applies to Part 21 Design Organisations (DOs) and Production Organisations (POs), requiring them to implement an Information Security…

Sofema Aviation Services (SAS) considers the key aspects related to FAA Approved Parts & Exceptions Introduction – FAA Approved Parts FAA-approved parts are those that comply with the FAA’s stringent requirements for safety, quality, and airworthiness. These parts fall under the purview of 14 CFR regulations, primarily in Part 21, and must meet one of the following approval pathways: Parts Manufactured under…