Here is my 2 cents worth.
If I had the know how as a developer , My first plane would be a Cessna 172/150, and or similar low wing aircraft. The kind most people learn to fly in the real world.
Once word got out nearly all flying schools and clubs would set at least one computer up with it to use as a teaching aid.
How many would that be?, Thousands.
They'd be excellent for learning visual referencing, Pattern practice, IFR training. Just about everything you can think of minus ATC, and that might come.
And that would bring a lot of new ppl into our Virtual world.