This is a VOR Receiver similar to those typically found in aircraft instrument panels. Blender 2.8 (why is 2.8 not a metadata choice on blendswap?) Works with Cyles and EEVEE
I mean the old-fashioned with a nice blue ball inside. From helicopter Aerospatiale SA 341 Gazelle. I can not find a goog reference image from Gazelle but, similar like in this video
https://youtu.be/psftghov2Ws?t=65
What do all the empties do? They don't seem to be attached to anything.
Bravo! It is so realistic. Fasten your seatbelt!
Caused nostalgia.
Can you make an artificial horizon? (from picture above)