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…

A review by Sofema Aviation Services www.sassofia.com Introduction The basis for an organisation approval according to EASA Part 21 / J is the achievement of the approval requirements specified in 21A.245: The organisation must implement and maintain a quality system in general and a Design Assurance System in particular, to ensure the control and monitoring…

EASA Part M subpart J is a proposed change being introduced by EASA through NPA 2010-09.(EASA is proposing changes to the regulatory structure of EC 2042 /2003 which may have significant outcomes.) The current rules make it mandatory for the CAT operator to be CAMO approved (M.A.201(h). However, this requirement has created challenges particularly for…