SH254: Top Tips for Technical/Cave Divers: Communication
Counter-Errorism in Diving: Applying Human Factors to Diving · Gareth Lock at The Human Diver
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Show Notes
This episode looks at why communication in technical and cave diving often fails, even between skilled and experienced divers. Using two real dive stories, it shows how serious risks can come from small breakdowns, such as mislabelled gas bottles or missed signals during a valve problem, and how teams often rely on assumptions rather than confirmation. A key message is that sending a message does not mean it has been understood, especially when stress, task overload, poor visibility, hierarchy, or equipment get in the way. Communication in diving is not just hand signals or words, but also lights, behaviour, technology, and the environment itself. To reduce errors, teams need clear briefings, shared mental models, closed-loop communication, and honest debriefs that explore what really happened, not just whether the dive ended safely. Improving communication is about slowing down, checking understanding, and creating a team culture where questions and challenges are welcomed before small issues turn into big ones.
Original blog: https://www.thehumandiver.com/blog/top-tips-for-technical-cave-divers-communication