Considering the Difference Between EASA Minor & Major Changes – Sofema Aviation Services (SAS) www.sassofia.com reviews potential changes to Type Certificates (TC) and Supplemental Type Certificates (STC). Introduction When changes are needed to an airframe or onboard equipment, there are two options: To initiate a modification by the type design holder (manufacturer), To request a…

Sofema Aviation Services (SAS) www.sassofia.com considers issues that have been reported by regulatory authorities related to the interface and functioning of an EASA Design Organisation Approval (DOA) and Production Organisation Approval (POA) relationship. Feedback from Competent Authority POA Oversight The following issues have been documented over a period of time to serve as an indicator…