EASA Part 21 Classification of Changes Considerations – Review by Sofema Aviation Services www.sassofia.com  Introduction Please refer to the following document: EASA CM No.: CM–21.A–CS–001 Issue 02 dated 30 April 2021 concerning regulatory requirement(s): Point 21.A.91 of Annex I to Regulation (EU) No. 748/2012 – Classification of changes to a type-certificate. Concerning Changes Changes (or…

Design Aspects of Aircraft Airworthiness – Presentation by Sofema Aviation Services (SAS) www.sassofia.com Introduction – Certification of Aircraft, Design, and Production The Basic Certification requirements for commercial aircraft are to be found in ICAO Annex 8 Airworthiness of Aircraft ICAO Airworthiness Manual, Part V State of Design and State of Manufacture Each ICAO contracting state…

EASA Part 21 Design Considerations Related to Proportionality & Level of Involvement – Sofema Aviation Services (SAS) www.sassofia.com considers the steps EASA is taking to make life a little easier for smaller organisations. Let’s First Consider Proportionality Early in 2019, EASA introduced additional Acceptable Means of Compliance (AMCs) for Part 21. (Ref Annex I to…

Sofema Aviation Services Considers the functioning relationship between EASA Part 21 J Design Organisations & EASA Part 21 G Production Organisation DOA-POA Relationship. What do the Regulations Require? AMC No 1 to 21.A.133(b) and (c) Eligibility – Link between design and production organisations. Authors Note – Such a Relationship enables the provision of approved data,…