DO-297 Integrated Modular Avionics (IMA) Training

SYNOPSIS:

DO-297 is the avionics Integrated Modular Avionics (IMA) certification guideline which includes additional Objectives augmenting DO-178C for avionics certification.

Traditional avionics are Federated, with each avionics system performing dedicated functions within a designated LRU/chassis with separate power and I/O. However, more modern IMA systems combine functionality by using common core hardware and software such as RTOS, base platform, drivers, and bootup. This enables improved modularity with decreased weight, power, and cost. However, such modularity advantages come with the cost of added certification requirements, thus DO-297.

The DO-297 guideline provides guidance for the development, certification, and airworthiness of Integrated Modular Avionics (IMA) systems in civil aviation but is increasingly applied to worldwide militaries (AFuzion teaches and applies DO-297 to many western militaries including US Army, US AirForce, DASA/RAAF, MOD UK, RNZAF, KAI, Japanese clients, and many western European countries also). DO-297 addresses specialized characteristics and requirements for designing and integrating IMA systems, especially those with mixed-criticality software applications, e.g. differing IDALs per ARP4761A. DO-297 helps to ensure that independent functions hosted on a shared platform do not interfere with each other, maintaining safety and reliability, and are integrated in layers, beginning with the host platform services summarized above. 

DO-297 details the use of partitioning to separate different software functions, preventing interference and ensuring that a failure in one function does not affect others. DO-297 training provides attendees with knowledge of IMA systems to promote airworthiness and safety; this ensures IMA systems meet applicable safety requirements including DO-178C, ARP4754B, and ARP4761A to enable certifiability and then eventual onboard aircraft certification.

DO-297 also covers certification requirements of hosting software functions with different DALs (development assurance levels, e.g. “criticality” for example maintenance/monitoring functionality versus active real-time safety functionality of navigation, flight control, communications, etc. D0-297 for IMA

also provides guidance on the certification activities necessary for IMA systems, including the necessary planning, risk assessment, developer versus integrator responsibilities, documentation, requirements, design/architecture (non-federated), verification, CM, QA and integration/certification activities. 

The end result means DO-297 compliant IMA should provide reduced LRU count or size, power consumption, weight for aircraft, in addition to improved modularity, performance, reliability, less re-certification, and improved maintainability in comparison with federated architectures. 

AFuzion has taught over 46,000 avionics engineers and managers worldwide, including FAA and EASA officials, and engineers from 95 of the world’s largest 100 aviation companies: more than all the competitor’s current trainers in the world.  Brief summary below; contact us for more free information.

KEY FEATURES:

• Understanding DO-297 basic principles: DO-297 explained for the “real world”: yours
• Relationship between DO-297 and DO-178C
• Selecting DALs per System FHA and ARP4761A
• Federated versus IMA systems
• Optimal IMA DO-297 System Design
• Understanding DO-297’ss true intent by understanding the original authors’ goals
•  Understanding the IMA development ecosystem of Safety, Software, Hardware and Certification
•  Understanding DO-297’s Planning requirements
• Understanding Robust Partitioning in IMA per DO-297
• Understanding and applying DO-297 IMA Integration requirements
• Applying DO-297’s IMA verification rules
• Think like a DO-297 IMA auditor and pass audits the first time
•  Real-world DO-297 examples including Boeing and Airbus publicly available information
•  Common DO-297 IMA initiation mistakes: from beginner to intermediate quickly

WHO:

Attendees may include engineers, managers, quality assurance or certification personnel; no DO-178 or DO-297 IMA expertise required.

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