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What is the maximum depth achieved by a man made submarine?

Answer:
The deepest depth achieved by a manned submersible was achieved by the Bathyscaphe Triest in January of 1960. Surveying the deepest point in the oceans, the Challenger Deep area of the Mariana Trench in the Pacific off of the Marianas Islands group, it descended to a depth of nearly 7 miles below the surface of the ocean - 35,761 ft, or 10,900 meters. That's over 1083 times normal atmospheric pressure on its hull at that depth, or 15,928 PSIA (lbs/square inch absolute).
First answer by TSD -RAVEN-. Last edit by TSD -RAVEN-. Contributor trust: 283 [recommend contributor recommended]. Question popularity: 5 [recommend question].

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