Unmanned helicopter could revolutionise spraying vineyards in Marlborough

A super-drone could be the future of spraying seed and fertiliser across back country farms and boutique vineyards.
The Yamaha RMAX, unmanned helicopter or UAV, dwarfs your traditional helicopter but is bigger in size than a remote controlled toy.
Yamaha sky division UAV operator Greg Quinn put it through its paces in front of 30 intrigued farmers and vineyard operators at Omaka airfield, outside Blenheim on Friday.