Yes, that's an upside-down helicopter.
One of the more spectacular aerobatic acts is Chuck Aaron in the Red Bull Helicopter. Not only does he have a killer mustache, but he does some pretty cool stuff in a helicopter. If you’ve never seen his act, I’ll offer this 2 part video interview:
The intent of this entry however is to pass along a promotional video for the stock helicopter. It is one of the most exciting flying videos on Youtube. I must caution you however not to try this at home…
Check out this promo for the stock BO-105: