Model-Based Systems Engineering in Aviation Engineering

DO-331 provides a comprehensive solution for aviation engineers to implement model-based systems engineering practices.


What is the difference between DO-178C and DO-331?

DO-178C, also known as Software Considerations in Airborne Systems and Equipment Certification, is a crucial aviation software development standard that provides explicit guidelines for defining and verifying high-level and low-level software requirements. These requirements play a vital role in ensuring the safety and reliability of aviation software. DO-178C helps to minimize the risk of software errors and failures that could have catastrophic consequences in the aviation industry. Adherence to DO-178C ensures that the software development process follows a rigorous and systematic approach, leading to the development of high-quality and dependable aviation software. 

DO-331, or Model-Based Development and Verification Supplement to DO-178C and DO-278A, is an aviation standard that provides guidance on the development and certification of software for safety-critical systems. It emphasizes the use of a model-based approach—creating models that represent the system's requirements, design, and behavior. Requirements engineering processes, such as gathering, documenting, and managing the system's requirements, need to be adapted when applying this approach, as the focus shifts from traditional document-based requirements to models that can be used for analysis, simulation, and verification. 

ALM - Requirements Engineering in Aviation Model-Based Development per DO-331

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