Face down, apu up? This is how airplanes like to…
Well, it depends exactly where the auxillary power unit is. Sometimes it is near the wing box. So it could look like this…

In as little as 6 to 19 months, smaller craft can produce an air-wothiness certificate!

Oh look! A penny!

It wouldn’t be cute if it happened during take off or landing though.

*HISSSS*

Bonk

fdau?