Sofema Aviation Services (SAS) looks at the Part 21 Requirements related to AMC1 21.A.3B(b) Failures, malfunctions and defects (ED Decision 2021/001/R) – Flight Considerations Flight Considerations – An unsafe condition exists if: There is a significant shortfall in the actual performance compared to the approved performance (taking into account the accuracy of the performance calculation method), or…

Sofema Aviation Services (SAS) www.sassofia.com looks at the regulatory drivers for the issue of Airworthiness Directives (ADs) by the United Kingdom Civil Aviation Authority (UK CAA) Introduction to Airworthiness Directives Airworthiness Directives are issued to address unsafe conditions. Aircraft on the UK Register are required to comply with all applicable Airworthiness Directives. As a result of…

Sofema Aviation Services (SAS) considers the key features of the process to obtain a Permit to Fly. Permit to Fly – Introduction Commission Regulation (EU) No. 748/2012, Annex I Part 21 makes provision for an EASA Permit to Fly to be issued for an aircraft to fly when a valid EASA airworthiness certificate is currently…

Sofema Aviation Services (SAS) considers the role of Quality & Safety within the Part 21 Production Management System. EASA Part 21G Quality & Safety – Introduction 21.A.139 Production management system [applicable from 7 March 2023 – Regulation (EU) 2022/201] The production organisation shall establish, implement and maintain a production management system that includes: A safety management…