This guy mounted a video camera into the cockpit of a remote control plane, which transmits to a headset worn by the flyer. The camera turns as he moves the headset.

In one interesting frame, the controller sees himself in the video as the plane passes him.

Makes flying awesome!

Advertisement (the R/C X-Plane
is different and 
less expensive than the plane used above):

Four channels 
Variable speed control Digital camera for in-the-air surveillance Lightweight and easy to operate 
Flying styles: hand take-off, climbing, descending, spot landing,
                     circling, figure eights, spiraling, gliding 
Dimensions: 26"L x 22"W x 6"H
$129.99 (free shipping)