How reliable are unmanned cargo planes and how do they work: the safety risks

How reliable are unmanned cargo planes and how do they work: the safety risks

The first tests of autonomous cargoes, from Pyka’s Pelican Cargo drone to modified Cessna Caravans from Reliable Robotics and Joby Aviation, open up new perspectives for aviation, but also raise questions about safety. How reliable are unmanned aircraft and what guarantees must they offer before entering service? And in light …