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…

Federal Aviation Administration (FAA) Technical Standard Order (TSO) European Aviation Safety Agency (EASA) European Technical Standard Order (ETSO) and Transport Canada Civil Aviation (TCCA) Canadian Technical Standard Order (CAN-TSO) Sofema Aviation Services (www.sassofia.com) provides regulatory and vocational compliant training for EASA, FAA, OTAR, GCAA & GACA regulations. A Bi-Lateral Agreement exists between the EU &…