Swiss air rescue (REGA) is using drones[1] to a limited degree but they are not what you think. They are not quad copters instead they look more like real helic

Swiss air rescue (REGA) is using drones[1] to a limited degree but they are not what you think. They are not quad copters instead they look more like real helicopters. The primary reason being air time. [1] https://www.rega.ch/en/our-missions/cutting-edge-technology/rega-drone https://www.rega.ch/en/our-missions/cutting-edge-technology/...