Airworthiness of Aircraft

Article 33 of the Chicago Convention

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An aerial view of snow-covered mountain ranges at sunset, viewed from an aircraft window with two jet engines visible in the foreground. A dark blue overlay contains the white text "Article 33 of the Chicago Convention," and the Sofema Aviation Services logo is in the top left corner.

January 15, 2026

Steven Bentley

Sofema Aviation Services (SAS) considers the key features of ICAO Article 33 of the Chicago Convention. Introduction – Convention on International Civil Aviation, 1944 is the cornerstone of international aviation. It establishes the principle of mutual recognition for certificates and licenses, ensuring that aircraft and pilots do not need to be re-certified by every single…

A new training dedicated to Framework: ICAO Annex 1, 6, & 8 – Role, Purpose, and Applicability is now available – Book your place

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ICAO Annex 1 blog image

December 03, 2024

Steven Bentley

Sofema Aviation Services (SAS) www.sassofia.com is pleased to share that a new course has been added to our training portfolio: Framework: ICAO Annex 1, 6, & 8 – Role, Purpose, and Applicability Available as a Classroom or Webinar training – Register at [email protected] What is the training about? This 2-day course provides a comprehensive exploration of ICAO Annexes…

Aims & Objectives of ICAO International Standards & Recommended Practices (ISARPS)

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ICAO - International Standards - Recommended Practices (ISARPS)

October 23, 2023

Steven Bentley

Sofema Aviation Services (SAS) www.sassofia.com looks at the practical functioning of ICAO and its International Standards and Recommended Practices (ISARPs) Introduction The International Civil Aviation Organization (ICAO) develops and publishes International Standards and Recommended Practices (ISARPs) to ensure safe, secure, efficient, and environmentally sustainable international civil aviation operations. These ISARPs cover various aspects of aviation, including…