Sofema Aviation Services (SAS) www.sassofia.com considers the best practices for Analyzing Complex composite structures using Tap Testing techniques. Introduction interpreting TAP hammer testing data requires expertise and experience. It involves comparing the data with established standards, reference data, or known defect signatures. Careful consideration of all relevant factors and clear documentation are crucial for accurate and…

Sofema Aviation Services (SAS) www.sassofia.com considers the steps which are necessary to ensure the Aircraft Reduced Vertical Separation Minima Skin in the vicinity of the Air Data sensors meets the skin waviness requirements. Introduction Aircraft RVSM Skin Mapping is a procedure performed to ensure the airframe’s surface condition (skin waviness) remains within acceptable limits as specified…

Sofema Aviation Services (SAS) www.sassofia.com considers the terms, definitions and differences related to Practical Assessment from an EASA perspective. Introduction The practical assessment addresses the practical portion of any EASA Part 147 type training whereas the OJT assessment addresses the additional practical experience necessary to gain in a true maintenance environment as part of the first type…

Sofema Aviation Services (SAS) www.sassofia.com considers the certification basis of changed aeronautical product Introduction EASA has collaborated with the Federal Aviation Administration (FAA) and Transport Canada (TCCA) on the further improvement of the guidance on the implementation of the ‘Changed Product Rule’ (Part 21.A.101). With this rule, EASA establishes the type-certification basis for changes to Type…