The Usual Dilemma – Soliciting Information versus Ascribing Responsibility

The usual dilemma has surfaced in the Grenfell Tower inquiry. I must say I was expecting it to do so at some point. https://www.theguardian.com/uk-news/2020/jan/30/people-who-worked-on-grenfell-tower-could-face-life-sentences The dilemma in its current form amounts to this. 1. Civil engineers, regulators and others involved… Read moreThe Usual Dilemma – Soliciting Information versus Ascribing Responsibility

System Safety, Cybersecurity, the “Scope” of IEC 61508 and Broken Standards

IEC 61508, the the international standard for functional safety of systems involving E/E/PE subsystems (which nowadays means mostly every engineered system), is being revised, or “maintained” in the IEC jargon. It started, for the SW part, in November 2014 and… Read moreSystem Safety, Cybersecurity, the “Scope” of IEC 61508 and Broken Standards

Further Comment on the IEEE Spectrum article concerning MCAS

Gregory Travis has responded to my comments in the Risks Forum Digest at https://catless.ncl.ac.uk/Risks/31/22#subj23 . He includes a wealth of interesting new information. He only disagrees with one of the points I made concerning the accuracy of his article, namely the… Read moreFurther Comment on the IEEE Spectrum article concerning MCAS

IEEE Spectrum on Possible Software Involvement in Two Recent Airliner Crashes

(This article is a modified version of one which appeared in the ACM Risks Forum Digest, Issue 31.21) Gregory Travis published an article on 2019-04-18 on the involvement of the MCAS software on Boeing 737 MAX aircraft in two recent… Read moreIEEE Spectrum on Possible Software Involvement in Two Recent Airliner Crashes