FAQ: How long can a submarine stay submerged?

The limits on how long they can stay underwater are food and supplies. Submarines generally stock a 90-day supply of food, so they can spend three months underwater. The diesel-powered submarines (not now used by the United States Navy) had a limit of several days submerged.24-Jul-2019

How long can a submarine go without refueling?

  • Nuclear power allowed submarines to run for about twenty years without needing to refuel. Food supplies became the only limit on a nuclear submarine’s time at sea.

What is the longest a submarine has stayed submerged?

Originally Answered: What is the longest recorded time that a submarine stayed submerged under water? The longest submerged cruise made public was by the HMS Warspite from November 1982 to march 1983. They stayed under water for 111 days.

How long can a submarine go without refueling?

Nuclear power allowed submarines to run for about twenty years without needing to refuel. Food supplies became the only limit on a nuclear submarine’s time at sea. Since then, similar technologies have been developed to power aircraft carriers.

How far can a submarine go underwater?

A nuclear submarine can dive to a depth of about 300m. This one is larger than the research vessel Atlantis and has a crew of 134. The average depth of the Caribbean Sea is 2,200 meters, or about 1.3 miles. The average depth of the world’s oceans is 3,790 meters, or 12,400 feet, or 2 13 miles.

Has anyone ever survived a submarine sinking?

This was apparent in 1950, when HMS Truculent sank following a collision with a merchant vessel within sight of the British shore. All of the 72 crew made it to the surface but only 15 survived with the rest swept out to sea by the tide and lost.

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Why do submarines not have windows?

There is no reason to have a window because submarines are submerged almost all the time. Besides, there is nothing to see. Submarines operate in open ocean and stay away from any kind of ocean floor. Using external lights to allow people to look through a window would defeat the purpose of being stealthy.

How do submarines get air?

Oxygen in submarines is produced by putting sea water through a process of electrolysis. Submarines typically have a couple of big oxygen tanks as well, used to quickly raise oxygen concentration if the system fails. Waste CO2 is released into the sea whenever it’s possible.

Would a submarine survive a tsunami?

The ocean could be affected by high tsunami and/or pressure waves in the case of a large asteroid or comet impact. Most current submarines can survive at a depth of 400 m, so they might survive long pressure spikes created by the waves above them as high as 200–400 m, but not kilometer size waves.

What is the most dangerous submarine?

The World’s Five Most Dangerous Submarines Here’s What You Need To Remember: None of these submarines has been used in combat. Ohio-class Ballistic Missile Submarine. Columbia-class Ballistic Missile Submarine. Project 955 Borei-class Ballistic Missile Submarine. Recommended: Why an F-22 Raptor Would Crush an F-35 in a ‘Dogfight’

Do submarines run out of air?

A sub is actually far more self sustaining than the space station – due to the nature of water availability. The ISS WILL run out of air (oxygen) if it’s not periodically replenished, either as oxygen, or as water to make it from. As long as the reactor is running, a nuclear-powered submarine will NEVER run out of air.

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At what depth will water crush you?

At about 10–12 meters (33–40 feet) of depth, pressure of water column above you (1 extra atmosphere of pressure per 10 meters) will compress air spaces in your body by half, with lungs compressing the most by the absolute volume.

What happens if a submarine goes too deep?

The name is foreboding and fairly self-explanatory; it’s when the submarine goes so deep the water pressure crushes it, causing an implosion. The crush depth of most submarines is classified, but it’s likely to be more than 400 metres.

How deep underwater can a human go?

The deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. To go deeper, you’ll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam.

Can you smoke on a submarine?

No one can smoke on US submarines because it’s been prohibited since December of 2010.

Has a submarine ever sunk another submarine?

The German submarine U-864 was a Type IXD2 U-boat of Nazi Germany’s Kriegsmarine in World War II. It is the only documented instance in the history of naval warfare where one submarine intentionally sank another while both were submerged.

Has the US ever lost a submarine?

During World War II, the U.S. Navy’s submarine service suffered the highest casualty percentage of all the American armed forces, losing one in five submariners. During World War II.

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Ship name Kete
Hull number SS-369
Date of loss Lost between 19 and 31 March 1945
Cause Cause unknown; possibly enemy submarine or mines

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