
SH265: Analysis from a Human Factors Perspective - Cave Double Fatality: Calimba 2004
From Counter-Errorism in Diving: Applying Human Factors to Diving by Gareth Lock at The Human Diver
March 28, 2026 · 14 min
About this episode
This episode analyzes a cave diving tragedy to explore how human behavior impacts decision-making and safety in diving.
This episode looks at a real cave diving tragedy and uses it to explain how accidents often happen because of human thinking, not just broken rules or bad equipment. Instead of focusing on blame, it shows how choices made underwater can seem logical at the time, even when they lead to disaster. The episode explores key ideas like awareness, decision-making, teamwork, leadership, and psychological safety, and explains how stress, distraction, group pressure, and complex plans can affect how people think and act. It also highlights why good briefings, open communication, and honest debriefs matter, and why teams must feel safe to speak up and challenge decisions. The main message is that safer diving comes from understanding human behaviour, learning without blame, and building strong teams that plan well, communicate clearly, and adapt when things don’t go as expected. Original blog: https://www.thehumandiver.com/post/analysis-from-a-human-factors-perspective-cave-double-fatality-calimba-2004 Links: Blueprint for Survival: https://nsscds.org/blueprint-for-survival/ Identifying lessons and learning from them vs blame and punishment: https://www.thehumandiver.com/blog/blame-or-learn…
People in this episode
Host: Gareth Lock
Topics covered
- human factors
- cave diving
- accident analysis
- decision-making
- teamwork
- psychological safety
Keywords
- cave diving
- human behavior
- safety
- decision-making
- team dynamics
- accidents
- psychological safety
Mentioned in this episode
Organizations: The Human Diver, NSS-CDS, CREER, IUCRR
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- SH284: LEODSI and PETTEOT: A Systems Approach for Understanding How Diving Really Works · June 3, 2026 · 12 min
- SH283: You're Accountable. You're Responsible. You're It! · May 30, 2026 · 18 min
- SH282: Isolation Amplifies Drift: When Remote Operations Make Small Deviations Invisible · May 27, 2026 · 11 min
- SH281: HMS Scylla Wreck Penetration Tragedy: Two Perspectives on Learning · May 23, 2026 · 37 min
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