Leicester helicopter crash caused by rear rotor failure, investigators find

Helicopter carrying Leicester City chairman Vichai Srivaddhanaprabha crashed outside stadium in October 2018, killing all on board.
Investigators determined a seizure of the rear rotor duplex bearing initiated a sequence of failures leading to an uncontrollable spin.
Design flaws, testing failures, and lack of risk mitigation measures contributed to the crash according to the investigation.
The helicopter landed on its left side and ignited in an intense post-impact fire.
Safety recommendations aim to prevent similar tragedies in rotorcraft.