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The German Type XXI U-boat had a deep diving depth of 280 meters (919 feet).
12500square feet to meter
12,500 feet = 2.367 miles.
Rescue from a submarine, at a depth of 1,000 feet, and being brought to the surface too quickly, can lead to the bends.
approx. 12500 feet per second...
The answer depends on the density of the material being loaded. 12500 MT of steel bits will require fewer containers than 12500 MT of polysterene (styrofoam) beads.
The submarine was at a depth of 3,000 feet.
Depends on the type of submarine...
An average submarine is about 300 feet long.
50 ft
A pelican is a type of fish-eating ocean-diving bird with webbed feet.
If we have 294 + 1277 here, it will equal 1571 feet. The reference is sea level, and the submarine is 294 feet below it. As the helicopter is at 1277, by adding 294 and 1277, we get the distance between the sub and the chopper, which is 1571 feet.