Being a test pilot seems a bit risky.
This is a shape that has only two equilibrium points—one stable and one unstable, instead of the usual minimum of 4. It is self-righting no matter how you set it down.
Two kayakers came accross these two seal pups tied together in big ball of discarded fishing line. With tools they managed to cut them free and save their lives. Being bound together like that, they would not be able to swim or catch fish, which means they likely would have died within a week.
