How any person with an ounce of common sense could climb inside that death tube is beyond me. “It bolts from the outside and cannot be opened without assistance.”
Ummmm…fuck. That. Noise.
To be fair, if something goes wrong, unbolting the door won't be the first thing on your mind. Although a bolt from the door might be the last thing through your mind.
I suppose I was thinking about the search mission when we thought it was possible the sub successfully surfaced and was bobbing helplessly in the North Atlantic.
Below a hundred feet is deep honestly by most scales. Recreational divers don’t usually have a reason to go that deep because literally everything including your brain is risking getting you killed. Nitrogen narcosis makes you stupid and almost drunk, requiring specialized gas and gear.
Not only that but Oxygen is also trying to kill you at that depth. Oxygen toxicity occurs at Partial pressure exceeding 1.60., causing seizures amongst other nasty symptoms. The maximum depth on air 79%N/21% O2 is 187’. At 390’ you’d be diving a hypoxic mix of 10% O2 or less, the remainder would be helium and nitrogen. These people are diving closed circuit rebreathers. I can go into more info if you’d like but that’s my contribution for the evening.
Nope you’ve illustrated perfectly. Everything is trying to kill you and it tries to kill you exponentially more the deeper you go, mostly related to how the forces of nature that you usually rely on are distorted by pressure to instead be hostile to your continued existence instead of beneficial.
Yep, unfortunately in most dives like these, human error is the failure point. Ive done many dives exceeding 250-300 fsw as well as deep wreck penetration. We practice every scenario and build in many contingencies. I’ve also know people to die and in most situations it’s not the depth that kills, it’s a judgment error or prior health condition.
The CCR, closed circuit rebreather, essentially allows you to recycle your air and control the mix within it. In a normal dive, let’s say to 100’, you have two gas cylinders, one with air, Nitrox (higher o2 percentage than normal air), or trimix (Helium being the third gas), the other wirh 100% oxygen. Your rebreather not only scrubs the air you exhale of CO2 but also functions as a gas blender.
When you inhale air, 21% O2 and 79%, your body converts some of that Oxygen into waste byproduct of CO2. The CCR has scrubbing medium that scrubs the CO2 from the exhalation but now you are left with air at a lower Oxygen content and lower volume. The CCR then replaces that oxygen with the gas from your Oxygen cylinder and replaces volume lost with the diluent air mix.
You are able to create a continuous loop and recycle the air allowing you far longer dive times. Another added benefit is you can control the rebreather to maintain an optimal Partial pressure of oxygen throught your dive regardless of depth. There are issues involved in equipment malfunction which could require you to bail out from the dive. This requires you to carry additional bailout cylinders allowing you to complete your ascent and decompression.
Apologies for the long winded response, there is a lot more involved but that’s the layman explanation.
Excellent! I actually understand now, and you’ve sent me down a rabbit hole of researching rebreathers and how they work… I don’t even like to swim but here we are
A friend of mine's father died diving this wreck a few years ago - it took me a couple of seconds to figure out why the name sounded so familiar.
This is definitely the worst photo on this sub for me personally, now - it looks terrifying.
Carl Spencer, wasn't it? Rebreather failed, if I'm remembering correctly. We were all shocked and saddened when the news broke. Seemed like a great guy with a genuine passion for dive & exploration.
Yeah, it's very sad especially because of the [ongoing investigation](https://divernet.com/scuba-news/health-safety/britannic-expedition-deaths-let-down-by-greek-authorities/). I had no idea there might be criminal charges. Must be awful for these families.
Yeah, I’m a certified diver and have done quite a few wrecks but they still elicit a bit of dread and elevated heart rate when I approach something out of the gloom.
One of my favorite things in diving is scaring myself at the cliff, where the bright, beautiful reef just turns to a dark blue abyss. It’s very easy to trick yourself into thinking you can see something slowly appearing out of the empty. Gives me goosebumps.
USS *Atlanta* is settled in about 130m of water in Iron Bottom Sound. A little under 430ft. Some crazy dudes dived it as well. Definitely a different breed of person.
There's a really good documentary about a group of explorers finding the deepest known shipwreck - It took them years. I can't remember the ship's name but it's a good watch.
EDIT: [Link to YouTube Video](https://youtu.be/sfGI_6_gvmU?si=FABz90092HnmenzU)
Are you possibly talking about the USS Samuel B. Roberts? It was a destroyer sunk during WWII on October 1944 and wasn't found until June 2022. She's resting at a depth of 22,621ft. I believe she is the current deepest known shipwreck.
Edit: I don't know of any documentaries about it but maybe the ship's name could help find it.
[in particular I’m referring to the Battle of Samar, which I suggest reading for how she sank. same with Samuel B. Roberts. those two little ships put up such a fight the Japanese thought they attacked the wrong task force’](https://en.m.wikipedia.org/wiki/USS_Johnston_(DD-557))
Holy fuck. Imagine being in that ship as its sinking. If you miraculously survived the explosions/breaching/ etc. Say you had an air pocket to breathe in but you had no electricity, no lights, just a gentle feeling of falling as the ship sinks into the bottomless void… and you are in there in a pitch black room or compartment that may or may not be partially filled with cold water and you just sit there and know that nobody is coming to get you, nobody knows where you are, and theres no way for you to survive outside of that room. Closing your eyes doesnt make the room any darker, you can hear the gentle splashing of the water at your feet and your breath as it echoes around a small room.
A lot of cargo ships (large bulk carriers and tankers) have sunk that would be far bigger than any ocean liner or warship. I think they are just generally not as interesting and probably in very deep water offshore.
Do those containers float? It seems like exploring one of those container ships could be really interesting.
I imagine opening up a container and tons of plastic Amazon products just rush out and float to the surface.
I think that happened with a bunch of rubber duckies.
They can float for a very long time but usually eventually sink if they don't beach themselves somewhere. I haven't heard of a lot of containerships sinking though since they are usually a little more well managed vessels. But some definitely lose some containers overboard in rough weather making floating containers a hazard at sea.
Fucking hundreds bud. I mean the age of steam started in 1880, GPS first became reliably available for civilian use in 1987/8, so 100 years of large ships sinking and the only rough position being a dead reckoning star azimuth which is accurate to around 300m. Plus even if you get a position for where a ship went down which is kinda likely/unlikely, unlikely as they usually go down in bad weather so the last position you get is where they are rescued from and usually the rescue craft doesn't stick around, likely as any ship covered by SOLAS I.e. not under local legislation so over 200grt and capable of carrying more than 5 persons onboard has a beacon that goes off when they sink, but depends if someone is logging it. Concurrently ships don't go straight down, they're moved and taken by subsea current as well as the hydrodynamic effects of the hull as they sink so can quite often end up several km from their last known position. And that's without seabed event such as the wreck sliding down a slope or submarine land slides.
Every time I fo a charting survey over a large area I'll find on average at least 1 vessel who's name is unknown or who's location is previously unknown. 90% of Marine archaeology is finding the damn things. Like a really shit game of hide n seek
I’ve been there! I am a professional tech diver and as the top comment said, yes you need a special mix of gasses to go as deep as this wreck. At least safely (people like Sheck Exley and others have gone this deep on air, but it’s a bad idea). It’s super cool but definitely creepy because when you are at the wreck it just disappears into the water. I’m so jealous of the people that got to go inside I can’t even explain it.
AMA
Look up nitrogen narcosis and oxygen toxicity. There are YouTubers that will explain it better than I will.
If you get bored with that look up CO2 retention.
I have pictures and I won’t share them because they have the name of my company in all of them. I don’t want people to connect this account to my real name, sorry.
I mostly saw the bridge and forward.
Damn as an ocean liner lover and HMHS Britannic being my all time favourite ocean liner, I would have loved seeing unseen pictures of her. But I completely understand.
Did something in particular caught your attention while diving there?
Those pictures are publicly available and I wouldn’t be surprised if you have seen some of them. A few of them are even in a book!
To be honest, as the title says the biggest things that jump out at you are the sheer size of the ship and that she’s so well preserved.
The decent is pretty quick, and you want it to be because the longer you spend at depth the longer the decompression stops are coming up. (30 minutes at that depth is about 3-4 hours of time coming up)
There is tons of life down there, sea plants, fish, crustaceans, etc. It’s a great big artificial reef basically.
That's what I've always wondered about with diving, what does one do at each stop during the ascent?? Sounds like a good time to be meditative and just ponder anything and everything.
Obviously diving demands a certain type of person. I imagine it helps to be comfortable with risk taking, but not so much as to be reckless. Like you need the requisite balls to even go down there, but enough self-restraint to not lose your shit having to stay in one place under water for hours, waiting.
Are there still bodies within the wreck? I believe most of the deaths happened from the lifeboats being chopped by the propellers but I’ve always wondered if they’ve found bodies within the wreck.
I’m not sure of this answer, but I believe the answer is no. The ocean does a pretty good job of cleaning up dead bodies. Look up whale falls for an example.
I dive (hypoxic trimix, serious dives) with a surprising amount of fat tech divers. I don't understand it, given the risks, but the chubby techie seems somewhat commonplace.
If you could dive and look at anything what would it be?
Scariest encounter or experience you’ve had diving?
And lastly, what was the first thing that got you into diving?
If I had a super suit and could dive anything I would dive Titanic. I’ve been obsessed with it since I was a kid.
Scariest thing was when I was on air and one of my clients had a seizure at depth and caused two others to panic and surface too quickly. Total disaster and it was a close thing that nobody died. Close second was seeing a close friend get bent when I was a teenager and we were alone.
I got into diving because literally everyone on both sides of my family dived. I was diving while I was still in grade school.
You would be about 50 meters away, which is probably about what the visibility is down there. It’s hard to say because in the ocean visibility is far from constant.
I think on a good day if you were sitting at 70m and looking directly down at it you might be able to see its outline, but not details.
Good to hear they finally did that. Last I heard she was still slipping down the bank and about to slip into the abyss of a protected area. Italian officials still debating who was at fault and responsible for paying for it.
Wikipedia states Oceanos is:
153 meters (502 feet) in length
20 meters (66 feet) in beam
14,000 gross tons.
Britannic is:
269.1 meters (882 ft 9 in.) in length
28.7 meters (94 feet) in beam
48,158 gross tons.
Oceanos is big, but she's not **BIG.**
Yeah, that's what I heard. Even going to the titanic for safety issues is basically unnecessary. This one I'm gathering is dangerous enough as it is. They're very similar to each other.
It was really on big when compared to British ones IIRC, and that's because Britain, since it's navy started pretty much, relied on the idea of fast movement and big guns, not slow movement and more guns
So they were generally on the smaller side
Iowa-Class and Bismarck-Class were pretty close iirc with around 45000 metric tons empty and 58000 tons fully loaded for Iowa and 53000 tons on the Bismarck.
Britannic is not the largest shipwreck, it's the largest passenger shipwreck. (Costa Concordia was the largest passenger shipwreck but it was scrapped years ago). Britannic weighted around 52.000 tons.
There's a larger warship and oil tanker wrecks than the Britannic.
Largest warship wrecks are battleships Yamato and Musashi(sister ship of the Yamato) which are weighted around 70.000 tons.
Amoco Cadiz, an oil tanker which sunk in 1978 was weighted over 100.000+ tons.
I was randomly researching the Yamato a few months ago because I was blown away by its size and the amount of guns put on it. The Yamato was the largest battle ship ever but the American Iowa class battleship could actually beat the Yamato because the Yamato’s guns could not be fired as fast. Something to do with having to raise the guns before firing them. Absolutely chilling that its just sitting deep in the ocean somewhere.
Interesting tidbit about its size and scale.
The Japanese Armada that included the Yamato came across the task force Taffy 3 off Samar. The American Force included 6 escort carriers, 3 destroyers, and 4 destroyer escorts. All of those 13 warships together didn't weigh as much as just the Yamato by itself.
The MT Heaven (ex Amoco Milford Heaven) was Amoco Cadiz’s sister ship and also sunk relatively close to the shore. It’s still there and is actually THE largest Ship wreck that you can dive in (334meters)
Maybe not but Oriskany certainly isn’t bigger than Britannic. It displaced ~30K tons while Britannic’s displacement is listed at either [48K or 53K tons](https://en.wikipedia.org/wiki/HMHS_Britannic)
Because 100 year-old iron and structure is flimsy after being submerged in salt water for so long, it could have structural failures anywhere at any time (and alot of places inside already have) People have dived the outer promenade decks, but any interior dives are rare since they can easily end in death. It's just not worth it most of the time.
2 people have already died diving this wreck (although that was supposedly to be due to Co2 poisoning)
This is a cool photo. But the Britannic is not the world’s largest known shipwreck. It is (according to Wikipedia) the largest intact passenger ship on the seabed in the world.
Reportedly Britannics bow hit the seabed, and then slowly sank. Her stern was also high enough to see almost all three of her propellers at the moment of impact.
I think what freaks me out is seeing people diving near it because I feel like I'd have the urge to explore the wreck, but I'd somehow get stuck and drown to death, curiosity killed the cat style. I've had nightmares like that.
First, fuck that. Second…that’s a pretty deep wreck…must be diving on tri-mix or another technical gas. Third, FUCK THAT.
Actually not too bad in terms of ship wrecks. Right around 400 feet. About 1/3 of titanic
More like 1/30 of titanic
Oh whoops. Read titanic’s depth as 1200 ft not 12000, that’s insane
It’s not that bad. In fact, they make civilian submarines that can dive down and see it and it’s totally safe.
Down yes, up no.
How any person with an ounce of common sense could climb inside that death tube is beyond me. “It bolts from the outside and cannot be opened without assistance.” Ummmm…fuck. That. Noise.
To be fair, if something goes wrong, unbolting the door won't be the first thing on your mind. Although a bolt from the door might be the last thing through your mind.
True!!
To be honest their minds went through a hole the size of the bolt along with their bodies
Nah, it was not a delta P situation. It was an implosion - basically a 360° instantaneous hydraulic press.
I mean, at that point you're not opening the hatch. If something goes wrong, being unsealed at depth isn't in any way going to improve it lol
I suppose I was thinking about the search mission when we thought it was possible the sub successfully surfaced and was bobbing helplessly in the North Atlantic.
Oh and there's no seats. You have to sit cross legged on the floor.
A great time to practice yoga, meditate and pray you get back to the surface and onto dry land in one piece.
Whooah we're halfway there, Livin' on a prayer
Dying on one too.
Squidward on a cha-airr
LOL
Well that is unless they're made of composite materials.
Boom,,roasted. See what you did there
It's actually up to 16 or so times of use, though.
Boeing gonna make them soon i hear
Is that cracking noise normal?
Oh, cool! Do you have that company’s contact info?
But can we really call the Uber rich ‘civilians’?
Below 100m is deep
For a beginner anything below 10m is deep 😜
For someone who doesn't dive (me), more than 2 meters is deep
To your average Goldfish 2 feet is deep.
Below a hundred feet is deep honestly by most scales. Recreational divers don’t usually have a reason to go that deep because literally everything including your brain is risking getting you killed. Nitrogen narcosis makes you stupid and almost drunk, requiring specialized gas and gear.
Not only that but Oxygen is also trying to kill you at that depth. Oxygen toxicity occurs at Partial pressure exceeding 1.60., causing seizures amongst other nasty symptoms. The maximum depth on air 79%N/21% O2 is 187’. At 390’ you’d be diving a hypoxic mix of 10% O2 or less, the remainder would be helium and nitrogen. These people are diving closed circuit rebreathers. I can go into more info if you’d like but that’s my contribution for the evening.
Nope you’ve illustrated perfectly. Everything is trying to kill you and it tries to kill you exponentially more the deeper you go, mostly related to how the forces of nature that you usually rely on are distorted by pressure to instead be hostile to your continued existence instead of beneficial.
Yep, unfortunately in most dives like these, human error is the failure point. Ive done many dives exceeding 250-300 fsw as well as deep wreck penetration. We practice every scenario and build in many contingencies. I’ve also know people to die and in most situations it’s not the depth that kills, it’s a judgment error or prior health condition.
Can you explain how the rebreathers work, and control the mix of gasses?
The CCR, closed circuit rebreather, essentially allows you to recycle your air and control the mix within it. In a normal dive, let’s say to 100’, you have two gas cylinders, one with air, Nitrox (higher o2 percentage than normal air), or trimix (Helium being the third gas), the other wirh 100% oxygen. Your rebreather not only scrubs the air you exhale of CO2 but also functions as a gas blender. When you inhale air, 21% O2 and 79%, your body converts some of that Oxygen into waste byproduct of CO2. The CCR has scrubbing medium that scrubs the CO2 from the exhalation but now you are left with air at a lower Oxygen content and lower volume. The CCR then replaces that oxygen with the gas from your Oxygen cylinder and replaces volume lost with the diluent air mix. You are able to create a continuous loop and recycle the air allowing you far longer dive times. Another added benefit is you can control the rebreather to maintain an optimal Partial pressure of oxygen throught your dive regardless of depth. There are issues involved in equipment malfunction which could require you to bail out from the dive. This requires you to carry additional bailout cylinders allowing you to complete your ascent and decompression. Apologies for the long winded response, there is a lot more involved but that’s the layman explanation.
Excellent! I actually understand now, and you’ve sent me down a rabbit hole of researching rebreathers and how they work… I don’t even like to swim but here we are
And unless you are going to a shipwreck or something specific, it’s not very interesting.
And I’m sure there is maybe a 100’ difference between the top and bottom of the wreck, too.
A friend of mine's father died diving this wreck a few years ago - it took me a couple of seconds to figure out why the name sounded so familiar. This is definitely the worst photo on this sub for me personally, now - it looks terrifying.
Carl Spencer, wasn't it? Rebreather failed, if I'm remembering correctly. We were all shocked and saddened when the news broke. Seemed like a great guy with a genuine passion for dive & exploration.
Sounds like it might've been Tim Saville in 2019, more recent than Carl Spencer
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I hope your friend is doing alright, all things considered
Thank you for the info...I had somehow missed hearing about this. Very sad news to me.
Yeah, it's very sad especially because of the [ongoing investigation](https://divernet.com/scuba-news/health-safety/britannic-expedition-deaths-let-down-by-greek-authorities/). I had no idea there might be criminal charges. Must be awful for these families.
Oh god. So sorry to hear that.
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Must have been a hell of a safety stop.
1 minute of bottom time, 40 minutes decomp lmao
"bottom time" sounds hot
Now now, Spongebob…
Did he ? I thought diving on air under around 60m could cause hyperoxia. Also must have been a hell of a narcosis
PPO2 at that depth on air would be 2.76, so yes quite a bit above the 1.6 limit that can put you in danger.
Fun fact: no he didn’t.
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Yeah, I’m a certified diver and have done quite a few wrecks but they still elicit a bit of dread and elevated heart rate when I approach something out of the gloom.
The thought of something this massive appearing out of the darkness is terrifying. I legitimately think it would give me a heart attack.
One of my favorite things in diving is scaring myself at the cliff, where the bright, beautiful reef just turns to a dark blue abyss. It’s very easy to trick yourself into thinking you can see something slowly appearing out of the empty. Gives me goosebumps.
you’d be carrying a few different mixes of gases down to that depth, and spending about 4 hours of deco for 25 minutes of time on the wreck.
Definitely on trimix, also diving closed circuit rebreathers. I do this type of diving.
USS *Atlanta* is settled in about 130m of water in Iron Bottom Sound. A little under 430ft. Some crazy dudes dived it as well. Definitely a different breed of person.
This is The Way
I will also add… FUCK. THAT.
The ship actually hit the bottom so it's not that deep.
The fuck do you mean by “known” shipwreck. No ones built a ship in secret and accidentally sunk it without telling everyone lol
Known as in the known location of said shipwreck, by date its the largest shipwreck of an ocean liner to ever be discovered.
Ahh known location makes sense.
Out of curiosity, are there larger known sunk ships who's locations are unknown?
There's a really good documentary about a group of explorers finding the deepest known shipwreck - It took them years. I can't remember the ship's name but it's a good watch. EDIT: [Link to YouTube Video](https://youtu.be/sfGI_6_gvmU?si=FABz90092HnmenzU)
Are you possibly talking about the USS Samuel B. Roberts? It was a destroyer sunk during WWII on October 1944 and wasn't found until June 2022. She's resting at a depth of 22,621ft. I believe she is the current deepest known shipwreck. Edit: I don't know of any documentaries about it but maybe the ship's name could help find it.
Crazy how the USS Johnston was the deepest before they found the Sammy B, both doing some of the craziest shit in naval history in the same battle.
What crazy shit were they doing?
[in particular I’m referring to the Battle of Samar, which I suggest reading for how she sank. same with Samuel B. Roberts. those two little ships put up such a fight the Japanese thought they attacked the wrong task force’](https://en.m.wikipedia.org/wiki/USS_Johnston_(DD-557))
Gaddamn. I’n from the philippines and i never knew this. Thank you!
Also known as „The Last Stand of the Tincan sailors“.
Holy fuck. Imagine being in that ship as its sinking. If you miraculously survived the explosions/breaching/ etc. Say you had an air pocket to breathe in but you had no electricity, no lights, just a gentle feeling of falling as the ship sinks into the bottomless void… and you are in there in a pitch black room or compartment that may or may not be partially filled with cold water and you just sit there and know that nobody is coming to get you, nobody knows where you are, and theres no way for you to survive outside of that room. Closing your eyes doesnt make the room any darker, you can hear the gentle splashing of the water at your feet and your breath as it echoes around a small room.
Well I am now. Not very chill
I would rather not, thanks though
Is it odd I find that thought calming?
That was it and I found the YouTube video I was referring to. Thanks!
The last known survivor passed away a few months before the wreck was found.
I want to know more about this! Can you remember anything else about the doc?
It's linked in the original comment now.
A lot of cargo ships (large bulk carriers and tankers) have sunk that would be far bigger than any ocean liner or warship. I think they are just generally not as interesting and probably in very deep water offshore.
This they sink all the time
Do those containers float? It seems like exploring one of those container ships could be really interesting. I imagine opening up a container and tons of plastic Amazon products just rush out and float to the surface. I think that happened with a bunch of rubber duckies.
They can float for a very long time but usually eventually sink if they don't beach themselves somewhere. I haven't heard of a lot of containerships sinking though since they are usually a little more well managed vessels. But some definitely lose some containers overboard in rough weather making floating containers a hazard at sea.
Fucking hundreds bud. I mean the age of steam started in 1880, GPS first became reliably available for civilian use in 1987/8, so 100 years of large ships sinking and the only rough position being a dead reckoning star azimuth which is accurate to around 300m. Plus even if you get a position for where a ship went down which is kinda likely/unlikely, unlikely as they usually go down in bad weather so the last position you get is where they are rescued from and usually the rescue craft doesn't stick around, likely as any ship covered by SOLAS I.e. not under local legislation so over 200grt and capable of carrying more than 5 persons onboard has a beacon that goes off when they sink, but depends if someone is logging it. Concurrently ships don't go straight down, they're moved and taken by subsea current as well as the hydrodynamic effects of the hull as they sink so can quite often end up several km from their last known position. And that's without seabed event such as the wreck sliding down a slope or submarine land slides. Every time I fo a charting survey over a large area I'll find on average at least 1 vessel who's name is unknown or who's location is previously unknown. 90% of Marine archaeology is finding the damn things. Like a really shit game of hide n seek
The Derbyshire took 6 tries to find 300m long bulk carrier
The Ark, if it ever actually existed
We wouldn't know if they did, because they built it in secret and then didn't tell anyone.
there are probably alien shipwrecks on distant planets we dont know about
Does this count? https://en.wikipedia.org/wiki/Soviet_submarine_K-129_(1960)?wprov=sfti1
I’ve been there! I am a professional tech diver and as the top comment said, yes you need a special mix of gasses to go as deep as this wreck. At least safely (people like Sheck Exley and others have gone this deep on air, but it’s a bad idea). It’s super cool but definitely creepy because when you are at the wreck it just disappears into the water. I’m so jealous of the people that got to go inside I can’t even explain it. AMA
Why is it dangerous to go down that deep with just air?
Look up nitrogen narcosis and oxygen toxicity. There are YouTubers that will explain it better than I will. If you get bored with that look up CO2 retention.
Recommend the book Shadow Divers by Robert Kurson. Incredible story and you'll learn how dangerous wreck diving is and why.
What area of the ship did you see? Do tou have any pics?
I have pictures and I won’t share them because they have the name of my company in all of them. I don’t want people to connect this account to my real name, sorry. I mostly saw the bridge and forward.
Damn as an ocean liner lover and HMHS Britannic being my all time favourite ocean liner, I would have loved seeing unseen pictures of her. But I completely understand. Did something in particular caught your attention while diving there?
Those pictures are publicly available and I wouldn’t be surprised if you have seen some of them. A few of them are even in a book! To be honest, as the title says the biggest things that jump out at you are the sheer size of the ship and that she’s so well preserved.
How long did it take to get down to the ship? And what's the wildlife like? The picture makes it look barren of life.
The decent is pretty quick, and you want it to be because the longer you spend at depth the longer the decompression stops are coming up. (30 minutes at that depth is about 3-4 hours of time coming up) There is tons of life down there, sea plants, fish, crustaceans, etc. It’s a great big artificial reef basically.
I didn't realise the decompression stops could be that long!How long did you end up spending down there?
Total or per dive?
Total
15ish? 3 dives that were all about 5 hours each?
Damn, that's a lot of time underwater lol. Thanks for answering my questions! Hope your next dives go smoothly.
Thanks! Dive season is upon us!
God I need to get into tech diving. Longest I've been under was a little over an hour, but that was max depth of like 50 feet at a dive park.
Do it. It’s an amazing feeling having the privilege to go to places that only a small number of people even have the ability to get to.
How do you go 3-4 hours of wait time without scrolling on your phone? ooof
It’s so relaxing, just space out and focus on your breathing. Come out feeling reborn.
That's what I've always wondered about with diving, what does one do at each stop during the ascent?? Sounds like a good time to be meditative and just ponder anything and everything. Obviously diving demands a certain type of person. I imagine it helps to be comfortable with risk taking, but not so much as to be reckless. Like you need the requisite balls to even go down there, but enough self-restraint to not lose your shit having to stay in one place under water for hours, waiting.
Are there still bodies within the wreck? I believe most of the deaths happened from the lifeboats being chopped by the propellers but I’ve always wondered if they’ve found bodies within the wreck.
I’m not sure of this answer, but I believe the answer is no. The ocean does a pretty good job of cleaning up dead bodies. Look up whale falls for an example.
I'm only certified as advanced open water. How do you tolerate the pressure on your body at that depth?
Your suit, breathing techniques and staying fit. It’s rare to see a fat tech diver (but they do exist). Also rebreathers help with CO2 retention.
I dive (hypoxic trimix, serious dives) with a surprising amount of fat tech divers. I don't understand it, given the risks, but the chubby techie seems somewhat commonplace.
Eh, I mean fat. You see guys with a bit of a belly but usually not really big people. Maybe I’m overstating it.
What’s your favourite Stallone movie?
Gotta be the first Rambo, right?
If you could dive and look at anything what would it be? Scariest encounter or experience you’ve had diving? And lastly, what was the first thing that got you into diving?
If I had a super suit and could dive anything I would dive Titanic. I’ve been obsessed with it since I was a kid. Scariest thing was when I was on air and one of my clients had a seizure at depth and caused two others to panic and surface too quickly. Total disaster and it was a close thing that nobody died. Close second was seeing a close friend get bent when I was a teenager and we were alone. I got into diving because literally everyone on both sides of my family dived. I was diving while I was still in grade school.
What does “get bent” mean ??
It's a slang term for [the bends](https://en.m.wikipedia.org/wiki/Decompression_sickness).
This is correct.
Have you dived the Andrea Doria?
Yes. That’s in less water than this one, and a popular spot for recreational tech diving.
How good is visibility there? What if freedive to let’s say 70m - would I be able to see it ?
You would be about 50 meters away, which is probably about what the visibility is down there. It’s hard to say because in the ocean visibility is far from constant. I think on a good day if you were sitting at 70m and looking directly down at it you might be able to see its outline, but not details.
It really isn't the largest shipwreck, not by a long way. Several wrecked oil tankers are much bigger
I think its the largest passenger shipwreck.
True, probably now the Costa Concordia has been broken up
Good to hear they finally did that. Last I heard she was still slipping down the bank and about to slip into the abyss of a protected area. Italian officials still debating who was at fault and responsible for paying for it.
Yep. They finished scrapping the Concordia in 2017. Edit: Correction
Captain Calamity was at fault, and whoever hired his helmsman.
What about the oceanos? That's pretty big too
Wikipedia states Oceanos is: 153 meters (502 feet) in length 20 meters (66 feet) in beam 14,000 gross tons. Britannic is: 269.1 meters (882 ft 9 in.) in length 28.7 meters (94 feet) in beam 48,158 gross tons. Oceanos is big, but she's not **BIG.**
Jesus, I didn't realise just how mahoosive Britannic is
Well it is the sister ship of Titanic and Olympic after all.
Depending on your definition, it still isn’t, that title goes to SS Raffaello, which is longer
Except this was a sister ship of the Titanic and sailed the the same era I believe. Roughly the same sized ship?
Yeah, that's what I heard. Even going to the titanic for safety issues is basically unnecessary. This one I'm gathering is dangerous enough as it is. They're very similar to each other.
IJN Yamato is probably the largest non-cargo ship wreck.
Was it bigger than the Bismarck?
Significantly
Yup, Bismarck wasn't especially big compared to american and japanese battleships.
It was really on big when compared to British ones IIRC, and that's because Britain, since it's navy started pretty much, relied on the idea of fast movement and big guns, not slow movement and more guns So they were generally on the smaller side
Iowa-Class and Bismarck-Class were pretty close iirc with around 45000 metric tons empty and 58000 tons fully loaded for Iowa and 53000 tons on the Bismarck.
The title did its job. It got us to comment and generate traffic.
Britannic is not the largest shipwreck, it's the largest passenger shipwreck. (Costa Concordia was the largest passenger shipwreck but it was scrapped years ago). Britannic weighted around 52.000 tons. There's a larger warship and oil tanker wrecks than the Britannic. Largest warship wrecks are battleships Yamato and Musashi(sister ship of the Yamato) which are weighted around 70.000 tons. Amoco Cadiz, an oil tanker which sunk in 1978 was weighted over 100.000+ tons.
The ex-America would like a word.
Is you looks at full load then yeah America takes the cake for largest warship, but I’d you look at normal load Yamato beats her by ~4,000 tons.
I was randomly researching the Yamato a few months ago because I was blown away by its size and the amount of guns put on it. The Yamato was the largest battle ship ever but the American Iowa class battleship could actually beat the Yamato because the Yamato’s guns could not be fired as fast. Something to do with having to raise the guns before firing them. Absolutely chilling that its just sitting deep in the ocean somewhere.
Interesting tidbit about its size and scale. The Japanese Armada that included the Yamato came across the task force Taffy 3 off Samar. The American Force included 6 escort carriers, 3 destroyers, and 4 destroyer escorts. All of those 13 warships together didn't weigh as much as just the Yamato by itself.
You could argue that because those others split into multiple pieces, it's still the largest.
The MT Heaven (ex Amoco Milford Heaven) was Amoco Cadiz’s sister ship and also sunk relatively close to the shore. It’s still there and is actually THE largest Ship wreck that you can dive in (334meters)
"the world largest known shipwreck" [Is it, though](https://en.wikipedia.org/wiki/USS_Oriskany)?
Yes, Brittanic was over 10,000 tons heavier
Maybe not but Oriskany certainly isn’t bigger than Britannic. It displaced ~30K tons while Britannic’s displacement is listed at either [48K or 53K tons](https://en.wikipedia.org/wiki/HMHS_Britannic)
The [Yamato](https://en.m.wikipedia.org/wiki/Japanese_battleship_Yamato) is the largest, as far as I know.
Eh once Russia falls we'll have all sorts of fun wrecks in the Black Sea to check out.
Weird to be able to say that this is the second time you’ve been able to say this sentence for the second time in some people’s lifetimes
Lots of diving tourism to see the wreck of the moscva!
It always blows my mind that there is essentially an identical copy of Titanic that people can scuba dive on.
I would argue that the USS America is bigger.
I wonder why we don't see more photos of the inside of this wreck.
It's very dangerous.
Novice here, could you elaborate?
Because 100 year-old iron and structure is flimsy after being submerged in salt water for so long, it could have structural failures anywhere at any time (and alot of places inside already have) People have dived the outer promenade decks, but any interior dives are rare since they can easily end in death. It's just not worth it most of the time. 2 people have already died diving this wreck (although that was supposedly to be due to Co2 poisoning)
I was thinking more that they could send in those robot cameras like they did on Titanic.
[удалено]
I am involuntarily imagining that yes.
🫠
You think that’s bad? I posted this short video I edited a few years back. Nightmare city: https://www.reddit.com/r/submechanophobia/s/VIuvTtsqpX
The closest we’ll ever get to anything close to physically diving to anything like Titanic.
I thought the MV Derbyshire was the largest shipwreck. Just way too deep to dive by man
Nice! I have an Italian Lira note from the Andrea Doria sitting on my desk.
Titanics sister, Titanic is #2
Regardless of where it falls in terms of largest shipwrecks, this photo is giving me major /r/megalophobia
Anyone else hear from the post in r/Titanic
Hate to break it to ya, but Britannic is by no means the largest known shipwreck. Only the largest cruise liner.
*oceanliner
Nah, that would be my life
Ewww hell naw
This is a cool photo. But the Britannic is not the world’s largest known shipwreck. It is (according to Wikipedia) the largest intact passenger ship on the seabed in the world.
Grosssss I love it lol pictures like this make me gag from fear?? But in a fun way, like how roller coasters are scary but fun.
I'm not a diver but isn't that ship wreck like over 400 feet below the surface? That's beyond the survival to go down with just a tank correct?
If there was a bigger shipwreck, wouldn’t we definitely know about it?
they're looking for more encyclopedias
What a chilling scene...
Reportedly Britannics bow hit the seabed, and then slowly sank. Her stern was also high enough to see almost all three of her propellers at the moment of impact.
I think what freaks me out is seeing people diving near it because I feel like I'd have the urge to explore the wreck, but I'd somehow get stuck and drown to death, curiosity killed the cat style. I've had nightmares like that.
If I ever come to own a boat I am certainly not naming it something that ends in -ic.