Originally Posted by
Bell_ringer
That has been stated previously in this topic.
What is impossible to tell from the few pixels contained in these videos and related images, are what caused the extreme yaw.
Was it something in the tail rotor drive system that went, or, was it something in the main gearbox, transmission or mountings that let go first.
That is nothing the currently available videos can answer, beyond confirming a sequence of visible events.
If the heli has boosted pedals which it may have, you better not take your feet off them. The 206A had boosted pedals and was notorious for going full pedal if you took your feet off.