..... are almost here. ;)
http://www.msnbc.msn.com/id/38058867/ns/business-autos/
So now we will have NIMAS (Not In My Airspace)ers.
Haven't convertible car/airplanes been around for a while?
(https://www.aaroads.com/forum/proxy.php?request=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fen%2Fb%2Fb6%2FTaylor-Aerocar-III.jpg&hash=e2d9ab2f1389c2392d4397e3c8a34e92ecec7704)
This was built in Longview, WA in 1949. :P
He's George Jetson, his boy Elroy, daughter Judy, Jane his wife!