Pray for missing Titanic Submersible

#51
#51
I wonder if they had a contract with the government like Ballard did when he found the Titanic. It’s kind of silly for the government to spend tens of millions on the S&R after their bad choices.
 
#52
#52
JCHateSteve said:
What if the fail safes do what they are supposed to and the ship surfaces? I'd sure want gps if I was floating on the surface with the door bolted shut.
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Based on the spec sheet on their website, it uses Teledyne BlueView 2D sonar, Teledyne Doppler Velocity Log (DVL), and INS/USBL to navigate. So, I guess when they resurface they could just send their lat/long coordinates to the parent ship.
 
#53
#53
Matt2496 said:
Based on the spec sheet on their website, it uses Teledyne BlueView 2D sonar, Teledyne Doppler Velocity Log (DVL), and INS/USBL to navigate. So, I guess when they resurface they could just send their lat/long coordinates to the parent ship.
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If there text communications work or they don't have issues with the batteries. Both have been a problem before apparently. Sticking a GPS tag or some kind of emergency beacon in there seems like a pretty simple step to take. Even if it's just for redundancy.
 
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#55
#55
VolNExile said:
What? What what what what what???
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Here's the article:
OceanGate Was Warned of Potential for ‘Catastrophic’ Problems With Titanic Mission

"In the documents, Mr. Lochridge reported learning that the viewport that lets passengers see outside the craft was only certified to work in depths of up to 1,300 meters. That is far less than would be necessary for trips to the Titanic, which is nearly 4,000 meters below the ocean’s surface."

Pretty unconscionable.
 
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#58
#58
JCHateSteve said:
If there text communications work or they don't have issues with the batteries. Both have been a problem before apparently. Sticking a GPS tag or some kind of emergency beacon in there seems like a pretty simple step to take. Even if it's just for redundancy.
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Obviously they should have had backup methods of communication. If they didn't at least have some kind of radio transponder on it, that is just egregious.
 
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#60
#60
CNN is live and about to talk about it, but that seems to be it. 30 hours of air left. They haven’t found them since the banging is only happening every 30 minutes. I’m sure that the government will be measured releasing more information.
 
#61
#61
Most recent sounds aren’t described as banging. Malaysia 370 had similar sounds detected. Maybe the sub is shifting around wherever it’s settled.
 
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#62
#62
Thunder Good-Oil said:
Most recent sounds aren’t described as banging. Malaysia 370 had similar sounds detected. Maybe the sub is shifting around wherever it’s settled.
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If it's precisely every 30 minutes, it makes me wonder if it's something mechanical and automated. Few people are disciplined enough to only whack on the hull every 30 minutes exactly.

I hate the pain for all the family members and friends of those onboard. No sympathy at all for the company, from what I've read so far.
 
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#63
#63
VolNExile said:
If it's precisely every 30 minutes, it makes me wonder if it's something mechanical and automated. Few people are disciplined enough to only whack on the hull every 30 minutes exactly.

I hate the pain for all the family members and friends of those onboard. No sympathy at all for the company, from what I've read so far.
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A CNN guest suggested that the French diver onboard, Paul-Henri Nargeolet, is very knowledgeable and could be directing the 30 minute cycles in order to conserve strength needed to survive. The rescuers could triangulate the location better with more frequent sounds. BUT, the most recent sounds were described as NOT being banging sounds.
 
#64
#64
This is real

355124343_2526054457542738_894059892540278865_n.jpg
 
#65
#65
Thunder Good-Oil said:
A CNN guest suggested that the French diver onboard, Paul-Henri Nargeolet, is very knowledgeable and could be directing the 30 minute cycles in order to conserve strength needed to survive. The rescuers could triangulate the location better with more frequent sounds. BUT, the most recent sounds were described as NOT being banging sounds.
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It's so sad. I try to imagine what it would be like to be in that situation. "Everyone lie down and remain as still as possible. Breathe as shallowly and as slowly as you can. If you're the banger-on-the-hull person, only move every 30 minutes. The goal is to minimize oxygen intake + CO2 exhalation."

I do hope that they will be rescued, but if not, it seems like a sudden failure of pressurization (Whiskey Tango Foxtrot with the weak viewport!?!) would be a much more merciful death than slowly asphyxiating on the flow of a tiny submersible.
 
#66
#66
VolNExile said:
It's so sad. I try to imagine what it would be like to be in that situation. "Everyone lie down and remain as still as possible. Breathe as shallowly and as slowly as you can. If you're the banger-on-the-hull person, only move every 30 minutes. The goal is to minimize oxygen intake + CO2 exhalation."

I do hope that they will be rescued, but if not, it seems like a sudden failure of pressurization (Whiskey Tango Foxtrot with the weak viewport!?!) would be a much more merciful death than slowly asphyxiating on the flow of a tiny submersible.
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They might have had 96 hours of oxygen, but I don’t have faith with the rickety engineering that there’s also 96 hours of scrubbing out the CO2.
 
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#67
#67
Matt2496 said:
Based on the spec sheet on their website, it uses Teledyne BlueView 2D sonar, Teledyne Doppler Velocity Log (DVL), and INS/USBL to navigate. So, I guess when they resurface they could just send their lat/long coordinates to the parent ship.
Click to expand...

The teledyne equipment was about the only good thing on this sub. Rest was designed and put together by aerospace engineers with no knowledge of sub design. You also sign a waiver before getting in this sub. Yeah count me out.
 
#69
#69
I hadn't paid too much attention to this story until yesterday whe the radio was talking about it. They said they only had about 40 hours of air left or so at that point.
From what I've read in here this CEO should be drawn and quartered for the shortcuts he took, that is if they're found alive.
 
#71
#71
Matt2496 said:
Apparently, the view-port on the sub was only certified to 1300m, while the titanic is 4000m beneath the surface. There were battery issues with the sub as well. It's also crazy to me that there are no redundant backup methods of control if that dinky little playstation controller fails.

This is pure speculation on my part, but I think the odds are high that this was catastrophic failure of the sub. If true, at least the end was quick for its passengers.
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IDK, so I'm asking. Was this the first voyage of that submarine? If not, how did it survive the other voyages prior? I'm sure when they rated the view ports, they may have had some kind of engineering safety factor maybe?
 
#73
#73
Rasputin_Vol said:
IDK, so I'm asking. Was this the first voyage of that submarine? If not, how did it survive the other voyages prior? I'm sure when they rated the view ports, they may have had some kind of engineering safety factor maybe?
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I think I read they’ve made at least 12 successful trips with it, but stil…
 
#74
#74
Underwater noises heard in desperate search for submersible missing with 5 aboard near Titanic

(AP) - A Canadian military surveillance aircraft detected underwater noises as a massive operation searched early Wednesday in a remote part of the North Atlantic for a submersible that vanished while taking five people down to the wreck of the Titanic.

A statement from the U.S. Coast Guard did not elaborate on what rescuers believed the noises could be, though it offered a glimmer of hope for those lost aboard the Titan. The vessel is estimated to have as little as a day’s worth of oxygen left if it is still functioning.

Three search vessels arrived on-scene Wednesday morning, including one that has side-scanning sonar capabilities, the Coast Guard tweeted.

The Coast Guard wrote on Twitter that a Canadian military surveillance aircraft had “detected underwater noises in the search area” and that an underwater robot sent to search that area has so far “yielded negative results.”

Still, authorities pushed on Wednesday to get salvage equipment to the scene in case the sub is found.

The Coast Guard statement about detecting sounds underwater came after Rolling Stone reported that search teams heard “banging sounds in the area every 30 minutes.”

The report was encouraging to some experts because submarine crews unable to communicate with the surface are taught to bang on their submersible’s hull to be detected by sonar.

“It sends a message that you’re probably using military techniques to find me and this is how I’m saying it,” said Frank Owen, a submarine search and rescue expert. “So, that’s really encouraging if that’s the case.”
 
#75
#75
Water temp is 28 f.
water pressure is 5,000 psi.

If an electronics failure, they likely die from hypothermia or CO2. If breech, they were gone before they had time to process.

Will be nothing short of a miracle if they are rescued.
 
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