10 Deepest Diving Operational Submarines in the World | Submarines With Maximum Test Depth

Video Information: Submarines float on the surface by using ballast tanks full of air. There are valves at the top of the ballast tanks that are opened when it's time for the submarine to submerge. So how deep can military submarines go? Today we’ll present you guys the top 10 deepest diving operational submarines in the world. This list is based on test depth which is the maximum depth at which a submarine is permitted to operate under normal peacetime circumstances. Enjoy watching the video. Cheers!

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[kinster]

As a former US submariner, I would say that the only people that know how deep a submarine can really go are dead.

[montieluckett]

When out to sea, we always remember this. Two things- #1. The fire department will never get to you fast enough to help, no matter the situation. #2. The furthest you will ever be from land is only a little over seven miles, dry land is another consideration.

[adampark]

Technically, all submarines can reach the bottom of the ocean.

[TheTemplier]

All submarines have a secret performance margin for use only in wartime.

[jebbroham]

Keep in mind that "test depth" is deceiving. The builders design them to withstand a certain pressure for a set amount of time, yet many Kriegsmarine Uboat captains in the Atlantic reported exceeding even the estimated crush depth of their submarines on several occasions without the pressure hulls failing while evading depth charges from overhead destroyers. The true combat diving capabilities of all military subs in service is absolutely classified. Who in their right mind would develop something that is supposed to be a step ahead of their rivals and then make that information public? Nobody.

[manuelbauerle]

500m?

Ocean gate:
Hold my game controller 😮

[muhammadhaikal-octc]

Pray for kri nanggala 402....indonesia submarine...53 people died...pray for them all.😔😔

[EricThompson]

I was a Sonar Tech aboard the USS Henry M. Jackson SSBN 730...A Trident submarine...This popped up recommended by YouTube. I only began watching because, as many others have commented, the Test and Crush depths of at least a U.S. Navy submarine are classified. Granted, of the 3 levels of classified material, Confidential, Secret and Top Secret, test depth of a boat is merely Confidential, and is not difficult to discern. But for a YouTube poster to claim to have such knowledge as this for 10 different military submarines is ludicrous.

[nicholasmills]

who seriously believes these figures. The official figures are kept secret.

[Swaggaccino]

Komsomolets K278 reached a test depth of over 1000m and doesn’t get crushed until 1500m. Titanium is strong as hell. I’d imagine if the ships of today needed to go that deep, they'd survive.

[Subpac_ww]

Every boat is as good as it's welds, and every boat, same class or not, has a unique crush depth. It isn't unusual for a submarine to be capable of twice it's "test depth" Our boats back on the 30s and 40s would, in a pinch, go well beyond their rated depths.

[jbitoth]

"Borei, " also "Dolgorukiya, " on behalf of the head ship class, is a series of Russian nuclear submarines (cruisers) class strategic missile cruiser (RCSN) of the 4th generation.

[erikh]

submarines are the scariest thing i know about. the fact that they could be anywhere, and we don’t even know about it is terrifying to me

[roypublic]

I was a pilot of the worlds deepest diving submersible at the time. DSV 4 Sea Cliff. 20, 000 foot capable submersible. It was designed to sink to the bottom. 16, 000 feet is my deepest dive.

[exnbcnco]

I can remember when I operated the 'Turtle' during the great war I was told I could go down to at least 3.28 feet before I risked a hull implosion. I must say things have come a long way since I fought against the red coats!

[dannywainwrightq]

You showed an "astute" class british attack sub for a Chinese sub lol. %hit happens lol.

[Rey]

Russia's deepest submarine is the A-12, which could dive to a depth of 6, 000m (about 18, 000 feet)

[oceanic]

Maximum test, and crush depths are always classified. They may not even be revealed to the captains, or XOs as a matter of protocol. All classified operating documentation will probably only identify operating parameters that can be fully guaranteed by the builder.

Given engineering safety factors, the ultimate limits may only be known by very few engineers, scientists, and senior naval staff.

The most probable points of rupture would likely be at welded joints, hatch interfaces, and anywhere external objects need to penetrate the pressure hull; such as periscopes, and power transmission shafts.

[leneanderthalien]

the real diving performances from the military submarines are never public known: this is a deep secret...

[wvt]

Here's the thing. When it comes to attack and ballistic submarines, it's not about depth but stealth.