A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
I'm also wondering what to put in the form. I'm a student, but I'm using a pro license I purchased myself.
Just wanted to echo the crowd here - this looks amazing! Happy flying, and, uh... Like everyone else, can't wait to help you out with those bills. ;)