On 16 January 2020 an Airbus A380 in the cruise at FL 400 in an area of correctly forecast convective turbulence encountered severe turbulence not anticipated by the crew who had not put on the seatbelt signs or alerted the cabin crew in time for the cabin to be secured. An unsecured passenger was seriously injured and several other passengers and an unsecured member of cabin crew were lifted off their feet but managed to avoid injury. The Investigation concluded that the flight crew had not made full use of the capabilities of the available on board weather radar equipment.