The Titan tragedy joins the Byford Dolphin accident in history's most gruesome deep-sea incidents. It joins the Byford Dolphin accident of 1983 — another deep-sea chamber compression incident but with a very different set of circumstances that killed five and injured one. The Byford Dolphin incidentOn November 5, 1983, four divers — Edwin Coward, Roy Lucas, Bjørn Bergersen, and Truls Hellevik — returned from a deep-sea commercial mission near the Byford Dolphin oil rig. Graphic showing the layout of the living chambers and the diving bell where the Byford Dolphin accident happened. Unlike the divers near the Byford Dolphin oil rig, the Titan passengers didn't have any excess nitrogen in their blood.

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Persons: — Edwin Coward, Roy Lucas, Bjørn Bergersen, Hellevik —, IFLScience, William Crammond, Giertsen, it's, Crammond, Martin Saunders, Stefan Williams, uncrewed submersibles, James Cameron, Cameron, It's, Williams Organizations: Titan, Service, Obscura, Divers Alert, of Forensic Medicine, Science Times, Daily Science, University of Sydney, Good Morning America, ABC News, Eiffel, NBC