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Field Notes: Safety-Critical Systems Symposium 2020

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TC-16/51: Adding Bottom Up Interference Analysis for MCPs

_______________ I hadn't heard of "bottom up" avionics certification before I read FAA's TC-16/51. But now, looking back at it, I think the authors from Thales Avionics, including Xavier Jean, PhD, proposed a big change in perspective. In their own... Read More

Lynx & ENSCO Demonstrate Avionics Solutions at DSEI JAPAN 2019

The most formidable challenges of modern avionics development programs are often centered around the safety certification process and the corresponding requirements and costs. Equally as challenging to any large development program are the design... Read More

Overarching Properties: An Alternative to DO-178

_______________ Overarching Properties—an alternative design assurance approach to DO-178C—marks the biggest change in airborne software safety certification since DO-178B was unveiled in 1992. Intended to be more efficient and flexible than... Read More

How to Choose a Real-Time Operating System

_______________ Choosing an RTOS is not as simple as choosing a car. We know about cars; we know their strengths and weaknesses and we intuitively understand compromises like performance vs practicality or luxury vs price. We see all kinds of... Read More

Multi-core cache allocation technology (CAT) demo

_______________ This week saw LYNX’s cache partitioning feature for Lynx MOSA.ic™ demonstrated for the first time at the Collins Aerospace Embedded Computing Conference in Cedar Rapids, Iowa. Cache partitioning is a new feature of Lynx MOSA.ic™... Read More

Field Notes: Sept 2019 Face™ TIM

Last week I was able to spend several days at the Open Group Future Airborne Capability Environment (FACE™) Technical Interchange Meeting (TIM) and consortium meetings. For those who are not familiar with either the Open Group or FACE™, the Open... Read More

What is a Reusable Software Component?

A DO-178B/C Reusable Software Component (RSC) is a software collection that is recognized as meeting the requirements of RTCA/DO-178B/C and that may be used on more than one project without having to regenerate certification artifacts. The FAA... Read More

CAST-32A: Significance and Implications

_______________ CAST-32A presents the coordinated position of avionics certification authorities regarding Multi-Core Processors (MCPs). While today’s aerospace ecosystem could benefit from the use of MCPs, before CAST-32A was published, FAA/EASA... Read More