> He told me that the day-to-day processes are ancient. It's a basic tenet of air safety that everything can be done by hand when equipment fails. For example

> He told me that the day-to-day processes are ancient. It's a basic tenet of air safety that everything can be done by hand when equipment fails. For example, it's a requirement that you should be able to do vector calculations to account for wind: using only pen-and-paper tools. Although licensed pilots are allowed to use technology to assist, you shouldn't imagine that the ancient day-to-day processes will change.