In the aviation industry, the future may belong to drones, but, as this video shows, there are still problems... <iframe src="https://www.youtube.com/embed/Nhe_cyrHNpI" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"></iframe> And, of course, not all trouble comes from below... <iframe src="https://www.youtube.com/embed/Hr-xBtVU4lg" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
