Swiss company ANAVIA has unveiled an unmanned helicopter that they claim as "the most advanced unmanned aerial vehicle (UAV) system in the world." "An unmanned helicopter for up to 65 kg of payload and 240 minutes of flight time. It’s the new benchmark in safety, performance and ease of operation," says the company announcement. ANAVIA joins the drone industry from a … [Read more...] about Unmanned Helicopter: Swiss Company Unveils Cargo Drone with 65 Kg Payload, 4 Hour Flight Time