Serious incident to the helicopter Airbus AS332 registered JA9660 on 21/08/2018 at Matsumae-gun [Investigation led by JTSB / Japan]

Preliminary data based on the notification from the Japanese authorities:

The rotorcraft took off from the temporary helipad and was transporting a cargo, and unintentionally dropped a part of the cargo (a total of 68kg including wires) from a height of approximately 130m.