Blog posts tagged in Aircraft Certification

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Sofema Online (SOL) looks at the role of O&SHA as part of the Aircraft Certification Program

Introduction Evaluating an Operating and Support Hazard Analysis

The O&SHA identifies hazards/risks occurring during the use of the system. It encompasses operating the system (primarily procedural aspects) and the support functions (e.g., maintenance, servicing, overhaul, facilities, equipment, training) that go along with operating the system.

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Sofema Online (SOL) considers the key aspects of the CCA process

Common Cause Analysis

Common Cause Analysis (CCA) describes the method used to identify the potential for common-cause failures (CCFs) within a system, where multiple components fail simultaneously due to a single event or shared cause.

In the context of certification, a comprehensive CCA is crucial. Regulatory bodies require a systematic approach to identifying and mitigating safety risks, including CCFs. Therefore, demonstrating a rigorous CCA is often a requirement for certification of an aviation flight control system

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Sofema Online (SOL) considers the role of a Functional Hazard Assessment as part of the Aircraft Type Certificate Certification Process.


A Functional Hazard Assessment (FHA) is a systematic evaluation conducted to identify and assess potential hazards associated with the functions and behaviours of a system or process. It is common to ensure safety and mitigate risks.

>> The FHA focuses on analyzing the functional aspects of a system to identify potential hazards and their potential consequences.

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Sofema Online (SOL) takes a deep dive into the Evolution of Flight Deck Ergonomics and considers its Impact on the Aircraft Certification Process.


Following World War II, aircraft became more complex, leading to a more crowded and confusing cockpit. The development of jet aircraft in the post-war era brought about faster and more complex machines, requiring further changes in cockpit design.

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