Bugs That Don't Wear Out: IEC 61508 Part III, Software, Systematic Capability and What Edition 3 Changes

Deep End Era. Engineering with Sankalp · Oct 28, 2026 · 54m

The new burner management controller at Al Sahil is certified, but its application program is not: that one is written by the plant team, and it is where the systematic faults live. Aisha Rahman writes it, Tomas Novak reviews it, and a change request six months later tests everything the standard says about modification. Along the way: what the famous tables really ask for, why a cause and effect matrix is software, what a compiler has to do with safety, and how a rocket was lost to a number that did not fit.

Chapters

00:00:00 Cold open: thirty seven seconds

00:03:36 Software doesn't wear out…