00:00Four divers entered a pressurized chamber on an oil rig.
00:03One second later, three of them were dead before they hit the floor.
00:07November 5th, 1983.
00:09The Biford Dolphin, North Sea.
00:11A routine saturation diving operation on a Norwegian oil rig goes catastrophically wrong
00:17when a diving bell is disconnected while still pressurized to 9 atmospheres.
00:21The pressure inside drops to normal in a fraction of a second.
00:25The human body cannot survive that.
00:27Nitrogen dissolved in the blood turns instantly to gas.
00:31Organs rupture.
00:33Tissue expands faster than skin can hold it.
00:36Forensic investigators found one diver 15 feet away from the chamber.
00:40The physical force of the decompression had done things to the human body
00:43that medical examiners had never documented before.
00:46Four divers died. A fifth lost both legs.
00:50The investigation revealed something almost worse than the accident itself.
00:54The equipment had a known design flaw.
00:56The risk was understood.
00:58The men were sent in anyway.
01:00No one went to prison.
01:01The rig kept operating.
01:03Some disasters happened because of bad luck.
01:05This one happened because someone decided four lives were an acceptable cost.
01:09state of the police racing the first.
01:10Organs rupture the bot, the ģicles of the neighbour in ailment.
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