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

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EASA Part 21 Subpart J blog image

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….

Part CAMO & Part 145: Interface and Responsibilities for Maintenance Planning

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Aircraft technician performing maintenance planning tasks; highlights interface between Part CAMO and Part 145 responsibilities.

March 31, 2025

Steven Bentley

Sofema Online (SOL) considers the key relationships between EASA Part CAMO and EASA Part 145. Introduction The strategic impact of the Part 145 – Part CAMO Interface on the Maintenance Planning Department is significant. Effective collaboration with Part 145 enables optimized maintenance planning, adherence to regulatory requirements, cost-effective and timely operations, and enhanced aircraft availability and…

Risk Disassociation in Part 145 – Key Features & Checks

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Person holding a wooden block labeled "RISK" while a rope is fraying and breaking apart, symbolizing risk disconnection or control breakdown in aviation compliance.

March 27, 2025

Steven Bentley

Sofema Aviation Services (SAS) examines Risk Disassociation in EASA Part 145, highlighting key features, compliance points, and oversight checks. Introduction Risk disassociation is a critical challenge in EASA Part 145 organizations, as decision-makers who are not directly exposed to maintenance risks may struggle to fully appreciate their consequences. By implementing structured risk engagement mechanisms, immersive training,…

FAA Suspected Unapproved Parts (SUP) Program Overview and Developments

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Aircraft engine undergoing maintenance in a hangar with open nacelles, representing aviation inspection procedures.

March 26, 2025

Steven Bentley

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…

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