In a drone system in which a drone and a movable body operate in coordination with each other, the drone performing a predetermined operation in an agricultural field, the movable body being capable of moving with the drone aboard and allowing the drone to make a takeoff and a landing, the plan…

There is provided a drone system in which a drone and a movable body operate in coordination with each other, the movable body being capable of moving with the drone aboard and allowing the drone to make a takeoff and a landing, the movable body including: a takeoff-landing area on which the drone…

An unmanned aerial vehicle and a battery, possible to be disabled when a phenomenon to cause a functional disorder, are provided. The battery includes a battery pack having a battery cell, sensors detecting a phenomenon that impairs a function of the battery pack, a memory storing a detection…