A review carried out by Sofema Aviation Services (SAS) www.sassofia.com Introduction With approval from EASA, it is possible to develop an Alternative Method of Compliance with an Airworthiness Requirement. (Each AMOC application should relate to one AD only.) An Alternative Method of Compliance (AMOC) is an EASA approved deviation to an AD. It is a…

Sofema Aviation Services (SAS) www.sassofia.com considers the special arrangement between FAA & UK CAA IPA (Implementation Procedures for Airworthiness) covering Design Approval, Production and Surveillance Activities, Export Airworthiness Approval, Post Design Approval Activities, and Technical Assistance. Related to the FAA & UK CAA committed, to recognize the work accomplished by EASA before December 31, 2020…

Sofema Aviation Services (SAS) www.sassofia.com considers the various changes and requirements to ensure compliance with the objectives of  EASA Classification CM No.: CM–21.A–CS–001 Issue 02 dated 30 April 2021. The purpose of this CM is to provide specific guidance for the classification of design changes to cabin interiors of Large Aeroplanes, considering the intent of the…

CS 25 Introduction to Airworthiness – Safety Assessment – Consideration by Sofema Aviation Services (SAS) www.sassofia.com Introduction Related to Failure Condition Classification For large airplanes, the airworthiness standards (CS/FAR-25), require fail-safe structures, except when it is not possible to implement such a design due to geometrical restrictions. An example of such a case is the…