Titanic tourist sub goes missing sparking search

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I would guess the main options would be to either somehow activate the Titan's own ascent controls (i.e. try to nudge the ballast release) or attach lift bags of some sort? I feel like a towed cable would be unfeasible at 3,800m.
I've dragged grappling hooks on the bottom at depths like that. But you have to know where to drag.
 
I don't think they were using much water ballast. They were using cast iron pipes and bags of sand. I'm guessing these could be jettisoned automatically/manually. Pretty basic.

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How do they release those pipes & sand bags?

One speculation is they were unable to release these “dive weights” and stuck at the bottom of the sea.
 
I've dragged grappling hooks on the bottom at depths like that. But you have to know where to drag.

How about sending the DeepSea Challenger or DSV Limiting Factor Super-Sub to pinpoint the ballast release location.


 
At this point I am hoping that my theory of an implosion is incorrect and that they can find a retrieve the sub before the air runs out but by Saturday if they have not been recovered I will be hoping that my theory was correct and that the ending was mercifully swift.
 
At this point I am hoping that my theory of an implosion is incorrect and that they can find a retrieve the sub before the air runs out but by Saturday if they have not been recovered I will be hoping that my theory was correct and that the ending was mercifully swift.
Air runs out tomorrow, Thursday, not Saturday.
 
How about sending the DeepSea Challenger or DSV Limiting Factor Super-Sub to pinpoint the ballast release location.



The issue is speed of deployment. Unless they basically sortied resources with the expectation it would be a rescue the moment it was reported missing, it won't arrive on time.

If this was a Navy sub as soon as it was confirmed that one was missing they would start positioning the rescue resources in the area even before it is located.
 
The issue is speed of deployment. Unless they basically sortied resources with the expectation it would be a rescue the moment it was reported missing, it won't arrive on time.

If this was a Navy sub as soon as it was confirmed that one was missing they would start positioning the rescue resources in the area even before it is located.

Yes, time is always the limiting factor in such rescue operations.

It’s still a good option for recovery operation to bring Titan to the surface, assuming it hasn’t leaked water into the chamber.
 
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