Saw this a minute ago. First off; I'm glad everyone made it out alive and props to both pilots and the jumpers for their efforts during the emergency. It looks like everyone did this one right.
...Except for the accident in the first place. I'm sure we'll hear from the pilots soon enough so I probably shouldn't speculate but, well, I can't help myself.
It looks like either untrained/poor formation flying and they lost visual separation. Either way, it does appear (from what the jumpers said in the interview) that they intended to all jump and meet-up together in the air. This says to me that the pilots knew about each other and also intended to get fairly close.
If it was formation flying then they'll likely run afoul of
FAR §91.111(c) which prohibits commercial formation flying (edit: guess not). They might also run into the catch-all of part (a) of that rule regarding no closer than is safe to avoid collision. Either way, looks like they knew that they would be close and should have maintained visual separation better (duh, I guess) and probably announced if/when they lost visual separation and had a plan to deal with that.
Anyway, you can see the cause of the collision in the helmet cam of the guy inside looking out the door right before impact. The rear-ward plane descended onto the pilot-side, rear quarter of the forward aircraft. Looks like the forward plane picked up a lot of drag from the jumpers or powered down a lot because the rearward plane has a lot more forward speed than the other plane. Either way there was almost no chance for the pilot to see that and probably little or no time for the jumpers to give warning.
Shame about the 182 but I guess everyone gets out with one more life lesson. I'm also glad that the jumpers didn't give any of this up. If anything this would prove to me that they're doing it right as they took a worst-case scenario and all came away from it with some interesting stories to tell and some GREAT video.
Anyone think GoPRO is going to try to tout their cameras as cockpit video recorders now?