We Know, and We Say Nothing

We Know, and We Say Nothing

We Know, and We Say NothingDavid Charbonnier
Published on: 11/06/2026

Six divers died at sixty metres in the Maldives. The mechanisms behind such deaths — outcome bias, drift, nitrogen narcosis, the trust-me dive — are known and predictable. Why serious divers die in foreseeable conditions, and what guards against it.

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives
Cause Reason. Excuse. Three Words Doing Three Very Different Things.

Cause Reason. Excuse. Three Words Doing Three Very Different Things.

Cause Reason. Excuse. Three Words Doing Three Very Different Things.Gareth Lock
Published on: 24/05/2026

The same statement can be a cause, a reason, or an excuse. The words don't change. What was the intent of the words? This blog draws the lines between the three, showing why incident conversations keep getting stuck on them, and need to move on

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives
Why Investigations Stop Where They Stop

Why Investigations Stop Where They Stop

Why Investigations Stop Where They StopGareth Lock
Published on: 23/05/2026

Every diving incident report has a stop-rule, an invisible line where analysis ends. This blog draws on safety science studies to show how cause is socially constructed, and why the diving community's "lessons learned" are shaped by who is looking

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives
The Structure of This Diving Tragedy Was Not Abnormal. The Scale Was.

The Structure of This Diving Tragedy Was Not Abnormal. The Scale Was.

The Structure of This Diving Tragedy Was Not Abnormal. The Scale Was.Gareth Lock
Published on: 22/05/2026

Why does the diving community react to a fatality the way it does? A Tennessee fatal medication error, a Maldives cave, and the structural conditions both events share. The conditions that led to six diving deaths happen regularly but not together.

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives
Why Rules Get Broken. Does It Matter Who Is Breaking Them?

Why Rules Get Broken. Does It Matter Who Is Breaking Them?

Why Rules Get Broken. Does It Matter Who Is Breaking Them?Gareth Lock
Published on: 20/05/2026

Most rule-breaking in diving isn't carelessness — it's a worn path the system often depends on. Why organisational deviation and individual shortcuts look identical after a bad outcome, and why telling them apart is an important safety conversation.

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives
Eight Questions About the Maldives Dive Accident

Eight Questions About the Maldives Dive Accident

Eight Questions About the Maldives Dive AccidentAndrzej Gornicki
Published on: 18/05/2026

Five Italian divers died in a cave at 55 m. Before anyone delivers a verdict, here are the questions Just Culture demands we ask first — and why their sequence matters.

THD-EnglishTHD-Learning, Incidents & Just CultureTHD-Maldives

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