Sofema Aviation Services (SAS) www.sassofia.com looks at the communication process between Production Organisation Approval Holder (POAH) and Design Organisation Approval Holders (DOAH). Introduction – AMC No 1 to 21.A.133(b) and (c) Eligibility – Link between design and production organisations ED Decision 2012/020/R In accordance with AMC No 1 to 21.A.133(b) and (c) the POA holder must…

Sofema Aviation Services (SAS) www.sassofia.com Considers the relationship between Modifications Minor & Major within the EASA Environment. Lets First Consider the Federal Aviation Administration FAA Background & Criteria FARs (Title 14 of the Code of Federal Regulations) define a “major alteration” as “an alteration not listed in the aircraft, aircraft engine, or propeller specifications: o…

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…