> doesn't help to know that it was a pilot error, ... and the main goal is to prevent accidents, You can't prevent accidents if you don't understand their caus

> doesn't help to know that it was a pilot error, ... and the main goal is to prevent accidents, You can't prevent accidents if you don't understand their cause. Saying well we don't know what caused it but we'll just tighten all the screws a bit more and send the pilots for more general training. It just doesn't work that way. Everything is analyzed and tracked to discover the exact root cause. It can often take many years and then new laws or guidelines are usually issued based on findings.