Arial
tesla aircraft
https://www.thingiverse.com/thing:3063995
https://www.thingiverse.com/thing:3061447
fan powered parachutes
multi copters – inflatable drones with helium support arms, can be scaled up.
for fire fighting drones multiple laminar flow nozzles and a base pump with pump on drone to lessen the hose stiffness.
mud sprayers or starlite sprayers to spray bases of tree’s to reduce ground fires. also mud spray the cutlines tree’s and ground also cut the tops off the tree’s with explosives or drone tools.
other methods for fire reduction are sonic blasts and explosives that disperse powder.
https://www.quora.com/How-long-would-it-take-to-go-around-the-world-in-a-plane-nonstop