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no. oxygen and pressure is a lethal combination... 400ft has just to much pressure..
you will need nitrous to dive that deep... which is very dangerous.
Addition
Yes, technical divers can dive to 400 feet. But they do not breathe pure oxygen (or nitrous on the bottom). They breath a combination of helium, oxygen and nitrogen known as trimix.
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FranYes, it is possible for a human being to dive to 400 feet with the use of specialized equipment such as mixed gases and technical diving techniques. However, diving to such depths requires extensive training, experience, and equipment to manage the associated risks of deep diving, such as nitrogen narcosis and decompression sickness.
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Scuba tanks have wh at noble gas in them?
Scuba tanks are typically filled with compressed air, which is a mixture of oxygen and nitrogen. However, some scuba tanks may also contain a noble gas such as helium as part of a special gas mix called trimix, which is used for deep dives to reduce the risk of nitrogen narcosis.
What is the altitude in meters or feet above which the recreational dive planners should not be used unless special procedures are followed?
The altitude above which recreational dive planners should not be used without special procedures is 300 meters (1000 feet). At higher altitudes, the partial pressure of oxygen changes, affecting the dive tables' accuracy, so adjustments must be made to ensure safe diving practices.
Which is better Steel or aluminum dive tanks?
Steel tanks are generally heavier than aluminum tanks but hold more air at higher pressures, making them more suitable for deep dives or technical diving. Aluminum tanks are lighter and more buoyant, making them easier to transport and suitable for recreational diving. The choice between the two depends on your diving needs and preferences.
How many gallons of water are in Epcot's Dive Quest?
The Dive Quest saltwater aquarium contains 5.7 million gallons.
How do scuba divers sink if they have tanks of compressed air on their backs?
Scuba divers use weights to sink during a dive because the air tanks on their backs make them buoyant. By adjusting the amount of weight, divers can achieve neutral buoyancy underwater. This allows them to control their depth and movement throughout the dive.
