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Invoking ICAO Article 38-Filing a Difference

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Two men in professional attire reviewing documents in an office, with a text overlay reading "Invoking ICAO Article 38 – Filing a Difference" and the Sofema Aviation Services logo.

January 30, 2026

Steven Bentley

Sofema Aviation Services (SAS) considers the process whereby member states may file a difference with ICAO SARP’s Introduction Invoking Article 38 of the Chicago Convention is formally known in the aviation community as “Filing a Difference.” It is not a legal defense mechanism used in court, but a formal administrative procedure where a Member State officially…

ICAO Continuing Airworthiness (CAW) The Role of National Airworthiness Authorities (NAAs) in Ensuring Compliance.

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A person in a business suit using a digital tablet with overlay icons representing global compliance and quality control, illustrating the role of National Airworthiness Authorities in Continuing Airworthiness (CAW)

January 29, 2026

Steven Bentley

Sofema Aviation Services (SAS) Considers the relationship between ICAO, EASA and the NAA’s related to CAW Compliance. Introduction to CAW Compliance Compliance with ICAO Annexes 1, 6, and 8 creates an interlocking regulatory framework. This structure ensures that an aircraft remains airworthy throughout its operational life. Furthermore, these rules converge to form the foundation of…

Considerations Related to Management of Change (MoC) within an EASA-regulated Environment

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Change

January 27, 2026

Steven Bentley

Sofema Aviation Services (SAS) considers the key features of an effective SMS Management of Change Process. Introduction – Reality Check MoC is no longer optional, it is a mandatory component of the “Safety Risk Management” pillar of your Management System. Regulatory References and Applicability For Air Operations under Regulation (EU) No 965/2012, the Management of…

Identifying Change Processes in an EASA Part 145 SMS

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Aviation professional using a laptop with digital checklists, illustrating identifying change processes in an EASA-Part-145-SMS.

January 26, 2026

Steven Bentley

Sofema Aviation Services (SAS) Looks at Processes to ensure we are able to Identify change throughout the organisational system. Introduction For any medium to large EASA Compliant Part 145 Organisation, the SMS must shift from the “informal” oversight possible in small shops to formalized, data-driven processes. Typically with limited resources we need to avoid the…