Violation of this rule may be subject to the penalty set forth in the Civil Aeronautics Act and compensation for any damage or loss incurred.
When you see a drone around the airport, please inform the police (telephone 110) immediately.
For details, please refer to the link below.
Japan’s safety rules on Unmanned Aircraft/Drone（MLIT website）
https://www.mlit.go.jp/common/001290156.pdf