Standard helicopter emergency crew brief:
In the event of a crash move 100m upwind of the wreckage. Once there conduct a headcount, the most senior, coherent person will make a decision on returning to the aircraft to conduct rescue.
That looks like what he did or maybe he was off to the tree line to check that "Charlie" wasn't planning an ambush Nitpicker....
I wouldn't leave the crew either in nam or WW2 - safety in numbers during evasion. Id hardly compare that to crashing next to a bloody fire truck in peace time. A scared sh!tless survivor would only hinder the emergency workers.