In the past few months, we have covered cool drones from Aerones capable of pulling wakeboarders and snowboarders. This firefighting drone is also worth a look. It weighs 55 kg and measures 3m long and wide. It has a lifting power of 145 kg. The battery charges in 90 minutes and lasts 30 minutes.
This firefighting drone can reach heights up to 400 meters. More info is available here.