[Von Due]

That German vid, the BO105 helicopter is one heck of a design. Some radical low G maneuvers. Try those with a Huey or a Cobra and the rotor mast could very well come off in seconds. No wonder it's the heli of choice for the Red Bull air display team.

And yup, it does look like a O-2 there in that other vid.

One of the best there is


and a bit of a legend


and one all out show flight