Hidden Obstacles For Delivery Drones

An anonymous reader writes: A few days ago we talked over some of the difficulties faced by makers of autonomous car software, like dealing with weather, construction, and parking garages. Today, the NY Times has a similar article about delivery drones, examining the safety and regulatory problems that must be solved in addition to getting the basic technology ready. "[R]researchers at NASA are working on ways to manage that menagerie of low-flying aircraft. At NASA's Moffett Field, about four miles from Google's headquarters in Mountain View, Calif., the agency has been developing a drone traffic management program that would in effect be a separate air traffic control system for things that fly low to the ground — around 400 to 500 feet for most drones. Much like the air traffic control system for conventional aircraft, the program would monitor the skies for weather and traffic. Wind is a particular hazard, because drones weigh so little compared with regular planes." Beyond that, the sheer scale of infrastructure necessary to get drone delivery up and running in cities across the U.S. is staggering. Commercial drones aren't going to have much range, particularly when carrying something heavy. They'll be noisy, and the products they're transporting will still need to be relatively close by. What other issues do Amazon, DHL, Google, and other need to solve?