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The AF 447 TCAS Failure
The BEA interim report on the AF 447 accident confirms that the Traffic Alert and Collision Avoidance System (TCAS) had become inoperative during the early part of the event sequence for an, as yet,...
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Highly integrated architectures and normal accidents
A cross walk of the interim investigation accident reports issued by the ATSB and BEA for the QF72 and AF447 accidents respectively shows that in both accidents the inertial reference units that are...
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Ariane 501 – Architecture & Assumptions
I was cleaning up some of my work and came across this copy of the board of investigation report into the Ariane 501 accident. I've added my own personal observations as well as those of other...
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The Airbus Aircraft Family & System Safety
Over the last couple of months I've posted on various incidents involving the Airbus A330 aircraft from the perspective of system safety. As these posts are scattered through my blog I thought I'd pull...
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AF447… What We Now Know
The BEA has released a precis of the data contained on AF447's Flight Data Recorder and we can know look into the cockpit of AF447 in those last terrifying minutes.
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