The largest semi-submersible Offshore Drilling Rig of its day, sank in a storm in 1982 whilst two smaller nearby rigs survived with minimal damage. We dive into how not closing a portlight cover, triggered a series of events that cost 84 people their lives.With John Chidgey.This show is Podcasting 2.0 Enhanced Report into the Incidents: Official Report Links of Potential Interest: Ocean Ranger Hydrodynamic Model Studies of the Ocean Ranger Marine Disaster The Loss of the Ocean Ranger Royal Commission Called (Video) Ocean Ranger report blames equipment and training (Video) Hypothermia Table History of offshore drilling units Glossary of nautical terms Roustabout Davit 25 years later (Archive.org) Support Causality on PatreonEpisode Gold Producers: 'r' and Chip Salzenberg.Episode Silver Producers: Mitch Biegler, John Whitlow, Kevin Koch, Oliver Steele, Lesley Law Chan, Hafthor, Shane O'Neill and Bill.With thanks to Gregory Hess for the topic suggestion.