This is a Paragraph Font
Lanny Vogel Chac Mool's 2012 triple fatality wasn't caused by one bad decision. A LEODSI analysis reveals how organisational drift, depleted gas margins, and a system that punished safer choices combined to produce a preventable tragedy.
Gareth LockWe spend a lot of time asking (or telling others) what instructors should have done. We spend far less time asking what the conditions were that made it so hard to do the 'right thing'. The Linnea Mills case, viewed through systems thinking (COCOM and ECOM), changes the question, and points toward answers that actually prevent the next one.
Gareth LockMost diving accidents aren't caused by a lack of knowledge. They're caused by a lack of cognitive capacity at exactly the wrong moment. Here's the framework that explains why — and what to do about it. James knew the conditions. He'd been briefed. He had the skills. But 25 minutes into a wreck dive, his buddy was gone, his gas was low, and he was fighting the current alone. Part 1 of our new series.
Gareth LockHeuristics help divers make fast, effective decisions under pressure. Cognitive biases are what happen when those shortcuts misfire. Learn the difference — and why it matters for your safety underwater.
© 2026 The Human Diver