Filmmaker Rob Stewart dies off Alligator Reef

[underH2Oman]

Rob Stewart of Sharkwater fame missing of Florida.

Coast guard searches for Toronto filmmaker missing in waters off Florida Keys

 

[cburgert]

I've read he surfaced with his dive buddy, but after his dive buddy was brought on board he then disappeared from sight. It didn't sound reasuring, hopefully he's found.

 

[darushin]

I think that we will find that this is yet another thread about rebreathers and the folks who dive them. 2 down on the same dive?

Since its been mentioned that one passed out after being on the boat, I think it is safe to say that their issue probably is more medical/dcs related then rebreather related.

 

[USdiver1]

Since its been mentioned that one passed out after being on the boat, I think it is safe to say that their issue probably is more medical/dcs related then rebreather related.

Really? Please explain the basis of your assumption.

 

[kelemvor]

I would think not medical if both guys passed out. I was thinking maybe some bad gas?

 

[darushin]

Really? Please explain the basis of your assumption.

If you aren't breathing on the rebreather (as would be the case when your physically on a boat), the rebreather at that point can't kill you.

 

[cerich]

If you aren't breathing on the rebreather (as would be the case when your physically on a boat), the rebreather at that point can't kill you.

it can certainly be causative. regardless, not enough info to speculate on the problem that lead both divers to surface in distress and the one to pass out when brought on the boat and the other to slip back underwater(on purpose or not)

 

[catone]

I wonder how bad gas (thinking CO here) would affect a ccr diver on a flat profile dive. Theoretically, there would be minimal dil added to the loop, therefore a limited amount of CO, probably all absorbed eventually and bound to hemoglobin. Would that minimal (in terms of volume, not dose) amount be enough to kill a diver?

 

[cerich]

I wonder how bad gas (thinking CO here) would affect a ccr diver on a flat profile dive. Theoretically, there would be minimal dil added to the loop, therefore a limited amount of CO, probably all absorbed eventually and bound to hemoglobin. Would that minimal (in terms of volume, not dose) amount be enough to kill a diver?

CO in the loop would be very, very bad.

 

[starrlamia]

70m dive, and third dive of the day according to his sister:
'We're in the critical window of daylight,' sister says as Florida divers search for Toronto filmmaker