Without knowing how fast the film was it's hard to say but it doesn't look like the tail rotor is turning.
looks like it is in the first photo, but not in the second one.
Looks like he could have dropped his lunch box on the cyclic, but man was he still hangin' in there on the collective, by the look of the coning angle??
Wind on the day?? looks like by the grass that he was right into the prevailing wind, rising ground, laden or mt??
how many left now? not all that many to start with and there's been a few bite the dirt in recent years