Unmanned Systems Technology 005 | Selex ES Falco UAV | Sense and avoid systems | RCV Engines DF70 | DSEI show report | Fuel cells | CUAV Expo, InterDrone and CUAV Show reports | SLAM

Steering clear of trouble UAVs must be able to sense and avoid other craft if they are to operate in much of the world’s airspace. Nick Flaherty reports on efforts to overcome this challenge