I'd recommend bug reporting that - Gypsy may be able to get his ship back (or at least credits compensation). I've also had my ship "arrive" inside the planet, lose its shields breaking through the surface and take significant hull damage. Luckily I had the heavier spec armor fitted. I have my experience on video too, so can add it to a bug report, if it will help.
Thank you yes, if you think you could extra info to help diagnose the problem, I put a bug report in here:
https://forums.frontier.co.uk/showthread.php/270238-Recalled-ships-collide
Any info about why you think they came from underground would probably go down well too, we had both just descended a steep hill & ended up in that valley.