Sofema Aviation Services (SAS) www.sassofia.com considers the treatment of Articles created through the Technical Standard Order (TSO) process as well as the treatment of PMA articles. Introduction to FAA TSO A TSO is a minimum performance standard for specified materials, parts, and appliances used on civil aircraft. When authorized to manufacture a material, part, or appliances to a TSO standard, this is referred to as TSO authorization. Receiving a TSO authorization is both design and…

Sofema Aviation Services (SAS) www.sassofia.com considers the EASA Process to manage Type Certificate (TC) or Restricted TC (RTC). Introduction The approval of aeronautical Products (aircraft, engines, and propellers) in accordance with Part 21 is ratified by the issue of a Type Certificate (TC) or Restricted TC (RTC). In general, there will be a Type Certificate…

Sofema Aviation Services (SAS) www.sassofia.com considers North American & European Standards related to Aeronautical Products. Introduction – Radio Technical Commission for Aeronautics (RTCA) RTCA is a US non-profit organisation: Founded in 1935 20 active committees with multiple working groups Develops industry standards Co-operates with aviation regulators (FAA / EASA etc) Standards are developed and drafted…