A flying object comprising: a fuel cell; a secondary battery; a motor that drives a propulsion propeller; an air resistance increasing device capable of increasing the air resistance; and a control unit, wherein the fuel cell, the secondary battery, and the motor are electrically connected; the motor is driven by obtaining power from at least one of the fuel cell and the secondary battery; the secondary battery stores electric power generated by the fuel cell; and when the fuel cell generates an amount of power exceeding a power consumption amount, the control unit increases an amount of power supplied to the motor from the fuel cell, and performs a power consumption control to maintain a flight state, wherein: when the fuel cell generates an amount of power exceeding a power consumption amount, the control unit increases an amount of power supplied to the motor from the fuel cell while increasing the air resistance by operating the air resistance increasing device, and performs a power consumption control to maintain a flight state, and in that when the fuel cell generates an amount of power exceeding the power consumption amount and a part of the amount of power exceeding the power consumption amount is defined as an excess power amount, the control unit performs the power consumption control when the excess power amount exceeds a first threshold value and stops the power consumption control when the excess power amount falls below a second threshold value, characterised in that: the first threshold value is in a range of 40% to 60% of an allowable charge amount; the second threshold value is in a range of 10% to 20% of the allowable charge amount; and the allowable charge amount is an amount of charge within a range that does not cause overcharge of the second battery. a fuel cell; a secondary battery; a motor that drives a propulsion propeller; an air resistance increasing device capable of increasing the air resistance; and a control unit, wherein the fuel cell, the secondary battery, and the motor are electrically connected; the motor is driven by obtaining power from at least one of the fuel cell and the secondary battery; the secondary battery stores electric power generated by the fuel cell; and when the fuel cell generates an amount of power exceeding a power consumption amount, the control unit increases an amount of power supplied to the motor from the fuel cell, and performs a power consumption control to maintain a flight state, wherein: when the fuel cell generates an amount of power exceeding a power consumption amount, the control unit increases an amount of power supplied to the motor from the fuel cell while increasing the air resistance by operating the air resistance increasing device, and performs a power consumption control to maintain a flight state, and in that when the fuel cell generates an amount of power exceeding the power consumption amount and a part of the amount of power exceeding the power consumption amount is defined as an excess power amount, the control unit performs the power consumption control when the excess power amount exceeds a first threshold value and stops the power consumption control when the excess power amount falls below a second threshold value, when the fuel cell generates an amount of power exceeding a power consumption amount, the control unit increases an amount of power supplied to the motor from the fuel cell while increasing the air resistance by operating the air resistance increasing device, and performs a power consumption control to maintain a flight state, and in that when the fuel cell generates an amount of power exceeding the power consumption amount and a part of the amount of power exceeding the power consumption amount is defined as an excess power amount, the control unit performs the power consumption control when the excess power amount exceeds a first threshold value and stops the power consumption control when the excess power amount falls below a second threshold value, characterised in that: the first threshold value is in a range of 40% to 60% of an allowable charge amount; the second threshold value is in a range of 10% to 20% of the allowable charge amount; and the allowable charge amount is an amount of charge within a range that does not cause overcharge of the second battery. the first threshold value is in a range of 40% to 60% of an allowable charge amount; the second threshold value is in a range of 10% to 20% of the allowable charge amount; and the allowable charge amount is an amount of charge within a range that does not cause overcharge of the second battery.