Software Considerations In Airborne Systems And Equipment Certification Pdf

software considerations in airborne systems and equipment certification pdf

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DOB, Software Considerations in Airborne Systems and Equipment Certification is a guideline dealing with the safety of safety-critical software used in certain airborne systems. Although technically a guideline, it was a de facto standard for developing avionics software systems until it was replaced in by DOC. The FAA applies DOB as the document it uses for guidance to determine if the software will perform reliably in an airborne environment, [1] when specified by the Technical Standard Order TSO for which certification is sought.


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DOC Training Crash Course provides the knowledge required to reduce DOC risks and costs, while also enhancing the quality of the software during avionics development. During this intensive hands-on training, participants will learn the best practices for real-life software development and how to stay away from common DOC errors. The DOC, which is Software Considerations in Airborne Systems and Equipment Certification, is the main international standard for commercial avionics software development. DOC gives suggestions to produce effective airborne systems and equipment software. Agreement with the objectives of DOC is the key tools to meet airworthiness requirements and obtain approval of software used in civil aviation products.

Applications and Case Studies pp Cite as. The ideal of correct software has always been the goal of research in the field of Information Technologies. For the next years scientific communities hope for a great challenge: a complete strategy in software programming and software engineering supported by a range of analysis tools to design, develop, integrate, verify and maintain software applications with mathematical rigor. In this challenge formal methods shall play a key role. The adoption of these methodologies should be placed in the proper software engineering framework according to the software domain. In the avionic domain safety-critical software has to accomplish Federal Aviation Regulations by DOC or DOA means of compliance giving evidence that software implements its intended functions and does not perform unintended functions. The paper aims to provide an overview of the above mentioned standard.


The objectives include: Developing and providing the data for development of educational material; Providing the rationale behind the guidance for people new to the commercial certification environment; and, Clarification of the intent and application of DOB. The derivation of the software approval guidelines from the Federal Aviation Regulations FARs to DOB is discussed to clarify its relationship to the government regulations. An explanation of the Designated Engineering Representative DER system is also provided along with a discussion of the safety process to describe the environment in which DOB is used. The evolution of the avionics industry that led eventually to DOB is included as part of the background behind the rationale of DOB. The key aspects of each version, from the original version to DOB provide insight to the rationale for the inclusion and further development of the content.

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It became available for sale and use in January The FAA approved AC C [4] on 19 Jul , making DOC a recognized "acceptable means, but not the only means, for showing compliance with the applicable airworthiness regulations for the software aspects of airborne systems and equipment certification. Other concerns included the meaning of verification in a model-based development paradigm and considerations for replacing some or all software testing activities with model simulation or formal methods. Overall, DOC keeps most of the DOB text, which has raised concerns that issues with DOB, such as the ambiguity about the concept of low-level requirements, may not be fully resolved.

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