...either that, or they became self-aware and attempted suicide. Hard to say.
A very specific software bug made airliners turn the wrong way if their pilots adjusted a pre-set altitude limit.
The bug, discovered on Bombardier CRJ-200 aircraft fitted with Rockwell Collins Aerospace-made flight management systems (FMSes), led to airliners trying to follow certain missed approaches turning right instead of left – or vice versa.
[...]
First discovered in 2017, the flaw was only apparent when pilots manually edited a pre-set “climb to” altitude programmed into a “missed approach” procedure following an Instrument Landing System approach. It also arose if pilots used the FMS's temperature compensation function in extremely cold weather.
Full article:
https://www.theregister.com/2020/05/29/ ... roach_bug/
My friend and I applied for airline jobs in Australia, but they didn't Qantas.