Parcel-delivery drones, air taxis and uncrewed inspection aircraft will to fly over cities and interact with one another in the future. They must be able to recognise and avoid one another, ideally before even taking off. The German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and its partners in the City Air Traffic Management (City-ATM) project conducted successful flight tests around the Köhlbrand Bridge in late April 2019 to demonstrate how drones are already able to cooperate with one another, as demonstrated by flying around a bridge, amid active shipping and road traffic. Continue reading →