PROBLEM TO BE SOLVED: To provide a drone enabling stable spraying of an agrochemical and the like while minimizing an impact of wind pressure.SOLUTION: In a remote control type unmanned flying object, or a drone, a loading port 6 for a tank 7 filled with an agrochemical is formed in a center part of an airframe 1. The tank 7 is dropped and inserted into the tank loading port 6 from above the airframe 1. When this operation is performed, a top part 7a of a tank 7 is to be exposed at top surface of the airframe 1, with the agrochemical in the tank 7 filled up to a half of the total volume thereof, with a gravity position of the drone to be set within on a virtual line extending downward from a rotation center of respective propellers 9 inclined by 10° to 20°with respect to a center line connecting respective propellers.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】風圧の影響を最小限に抑えて安定した農薬等の散布を行うことのできるドローンを提供する。【解決手段】機体1の中央部分に農薬等を充填したタンク7の搭載口6を形成し、このタンク搭載口6内に機体1の上方からタンク7を落としこむようにして挿入する。この時、タンク7の上部7aを機体1の上面に露出させてタンク7内に1/2の薬剤を充填し、この時のドローンの重心位置を各プロペラ間を結ぶ中心線に対して各プロペラ9の回転中心点から下向きに10度~20度の範囲で結ぶ仮想線の範囲内に設定する。【選択図】図2