Can you dive 30 feet?
The deeper and longer your dive the more chance you need decompression stops. Shallow dives of 6-10 metres (20-30 feet) you can spend over 200 minutes without a decompression stop. Dives to over 30 metres (100 feet) limit your dive time to around 20 minutes before a decompression stop is required.
Can humans dive 200 feet?
In Recreational diving, the maximum depth limit is 40 meters (130 feet). In technical diving, a dive deeper than 60 meters (200 feet) is described as a deep dive. However, as defined by most recreational diving agencies, a deep dive allows you to descend to 18 meters and beyond.
Can you get the bends at 20 feet?
The depth at which you can get decompression sickness or the bends is more likely deeper than a dive to 5-6 metres (16-20 feet). But having said that, always take the same safety precautions no matter what the depth of your dive.
Can you be crushed by water?
Water doesn’t squish — a cubic foot of liquid water always weighs 64 pounds, and 64 pounds of liquid water always takes up one cubic foot of space. Deep water would squeeze the air in your body, especially in your sinuses and lungs. Since air is compressible, these spaces would eventually collapse.
First class divers could work 300 ft (91 m) depths while salvage and second class divers were qualified down to 150 ft (46 m).
How long does it take to dive 200 feet?
Most people can hold their breath underwater for a few seconds, some for a few minutes. But a group of people called the Bajau takes free diving to the extreme, staying underwater for as long as 13 minutes at depths of around 200 feet.