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Old 02 December 2013, 15:20   #11
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Absolutely amazing. Never give up and don't panic. It must have gone through his mind to try and swim out. Would love to hear what he thought when he realised there was someone in there with him. Had to think he was dreaming

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Old 02 December 2013, 15:36   #12
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He may not have been able to swim, and may also have thought he would be at the bottom of the sea !
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Old 02 December 2013, 16:04   #13
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Yes, as others have said, an amazing video which is a credit to all concerned. For me, brings back memories of Scapa - fortunately no bodies there
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Old 02 December 2013, 18:04   #14
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Is it possible to ( if he knew how to get out) to make the ascent?
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Old 02 December 2013, 18:15   #15
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30metres - 100ft - no way he'd have swum that unaided on one breathe without training. If I was Harrison I'd be getting a nice cooking job in a school from now on..
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Old 02 December 2013, 18:21   #16
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Is it possible to ( if he knew how to get out) to make the ascent?
I get the impression from the video that he was in around 35m. In theory a free ascent is possible. In practice, without training or equipment, as near as impossible as makes no difference. Had he exited and swum upwards, his lungs would have burst, as the untrained would hold their breath.

He is a remarkably resilient individual and a VERY lucky man.
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Old 02 December 2013, 23:59   #17
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It is very possible to make the ascent, I've done 18m unaided with just a life jacket for buoyancy. You have to make sure breathe out the whole way to the top other wise your lungs will explode as the pressure decreases and the air in side your lungs expands! You won't feel them explode either as there are no nerve endings in your lungs! The deepest I have gone from is 30m from a simulated submarine escape tube, but that was in a escape suit and I could breath normally the whole way to the surface. I used to work on subs and I know the record unaided is much deeper than 35m, it's not something that's practiced so much anymore because the chances of making it from that depth are very slim and their preferred method is via a recovery sub.
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Old 03 December 2013, 01:25   #18
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Stuck in a Shipwreck: Jascon 4 Cook Discusses Unlikely Survival | gCaptain

More on the story here. (Not for the faint hearted!) This rescue was truly epic and you have to admire the characters involved for their phlegmatic cool. Highest respect to all involved!
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Old 03 December 2013, 01:30   #19
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I get the impression from the video that he was in around 35m. .
No much deeper! From the Donald Duck voices if the divers they were on helium tri mix so more like 60m plus. If it was only 35 mtrs it would have been possible on nitrox without all the massive deco times( at least for the rescue divers)
Plus they were using a saturation diving bell, really doubt they'd do that for only 30m.
Any how still a mega video of a amazing rescue

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Old 03 December 2013, 05:51   #20
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If it was me, Id make the acsent rather than wait without knowing a rescue was on its way.

If he was deep he too would also have suffered from Narcosis, so perhaps thats a blessing in disguise - being narked would have relaxed him somewhat. Anything over 40m will have an effect.

Anything over 60m and he is in danger of Oxygen poisoning, so I reckon he was shallower than 60m.

Ive done a free ascent from 20m once and it was fine. But I knew what to do and wasnt panicked.

As the pressure is released, the air in your lungs does expand so they dont feel empty, of course you have to breath out, but not fast.

Otherwise you will pop.
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