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PODCAST

Counter-Errorism in Diving: Applying Human Factors to Diving

Gareth Lock at The Human Diver

Human factors is a critical topic within the world of SCUBA diving, scientific diving, military diving, and commercial diving. This podcast is a mixture of interviews and "shorts" which are audio versions of the weekly blog from The Human Diver. Each month we will look to have at least one interview and one case study discussion where we look at an event in detail and how human factors and non-technical skills contributed (or prevented) it from happening in the manner it did.

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All Episodes

16:40

SH312: Your Body Can't Cash the Cheque Your Ego Is...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/10/07

We explore how capable, motivated divers can gradually push beyond safe limits when their environment rewards risk-taking and treats near misses as successes. Using the story of a young technical diver who died after entering a strong current, alongside examples from aviation, we examine how normalisation of deviance, practical drift, peer pressure and the need for recognition can erode safety margins over time. The episode asks whether we are recognising skill or simply rewarding luck, and looks at

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06:55

SH311: 3. Don’t Wait - Learn From Everyday Work Using...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/10/03

This episode explores Human and Organizational Performance (HOP), an approach to safety that starts with the idea that people will always make mistakes, so we should focus on understanding why decisions made sense at the time rather than simply blaming individuals. Drawing on a workshop from the Human Factors in Diving Conference in Vis, Croatia, we look at how HOP can be applied to diving by considering the conditions, information, equipment and pressures people were working with. Using a

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08:01

SH310: 2. More Than a Deep Dive: What a WWII Bomber...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/09/30

This episode explores what really makes complex technical diving successful: not just helium, decompression and equipment, but the people using them. Using the recovery of the WWII B-24 Liberator Tulsamerican off the island of Vis as a case study, we look at how communication, teamwork, workload management, clear goals and psychological safety can make the difference between a team that simply completes a dive and one that achieves its mission safely. The project brought together divers,

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14:12

SH309: Change around Safety Culture is Really Hard

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/09/23

In this episode, Gareth Lock reflects on why improving diving safety requires more than telling people to follow the rules. Drawing on his experience in aviation, diving, and safety science, he explains why incidents are often blamed on individuals while the wider system escapes scrutiny. The discussion explores how culture, reporting systems, commercial pressures, and training standards shape diver behaviour, why many divers avoid formal reporting channels, and what other high-risk industries have

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17:55

SH308: We Know, and We Say Nothing

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/09/16

This episode explores why experienced divers still die in situations that seem predictable, using the tragic 2026 Maldives cave accident as a starting point. It looks at how outcome bias, the normalisation of deviance, nitrogen narcosis, group dynamics, and silent drift can gradually erode safety margins without divers realising it. Rather than focusing on individual mistakes, the discussion explains how everyday decisions, accepted norms, and human psychology combine to create risk over time. It

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15:22

SH307: 1. The 2026 HF in Diving Conference - What Did...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/09/09

This episode explores how a restorative just culture can help the diving community respond to incidents in a way that promotes learning rather than blame. Instead of focusing only on who broke the rules, it looks at who was harmed, what they need, and how trust can be rebuilt while addressing the wider conditions that contributed to the event. The discussion covers the impact on everyone involved, the role of accountability, compassion, and forgiveness, and why repairing systems is more effective

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04:03

SH306: Restorative Just Culture: Repairing Trust...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/09/02

This episode explores the difference between a retributive approach to diving incidents, which focuses on blame and punishment, and a restorative just culture, which focuses on learning, repair, and preventing future harm. It explains how incidents affect not only those directly involved but also instructors, organisations, and the wider diving community, and argues that real accountability means understanding what happened, supporting everyone affected, rebuilding trust, and fixing the conditions

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09:32

SH305: Cause Reason. Excuse. Three Words Doing Three...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/08/26

This episode explores an important distinction that is often missed when discussing diving incidents: the difference between a cause, a reason, and an excuse. A cause explains what contributed to an event, a reason explains why a person's actions made sense to them at the time, and an excuse uses those reasons to avoid accountability. Understanding these differences helps us learn from accidents without simply assigning blame or letting people off the hook. The discussion shows why complex incidents

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17:36

SH304: Why Investigations Stop Where They Stop

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/08/19

This episode explores why accident investigations often stop long before they uncover the full picture. Drawing on research from safety science, it argues that the “cause” of an incident is not simply discovered—it is shaped by who is investigating, what they are able to change, and what explanations their community accepts. In diving, investigations often focus on the actions of individual divers or instructors because these are the easiest problems to address, while deeper issues such as

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13:05

SH303: The Structure of This Diving Tragedy Was Not...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/08/12

This episode explores why diving accidents are so often explained by individual mistakes instead of the wider conditions that made those mistakes possible. Using the case of a fatal medication error in healthcare alongside the recent Maldives cave diving tragedy, it examines how hindsight, blame, and our natural tendency to focus on people rather than systems can prevent meaningful learning. The discussion highlights how unsafe practices can become normal when they repeatedly appear to work, and why

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17:25

SH302: Why Rules Get Broken. Does It Matter Who Is...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/08/05

This episode explores why rule-breaking in diving is often more complicated than simply “breaking the rules.” It looks at the difference between shortcuts that organisations quietly depend on to keep operating and personal shortcuts taken for convenience or ego. Through real-world examples, the discussion explains how hindsight can unfairly turn system-wide problems into individual blame after an incident occurs. The episode also examines why teams often stay silent when they notice problems, how

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33:11

SH301: Eight Questions About the Maldives Dive Accident

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/08/01

This episode examines the deaths of five Italian divers in the Maldives and a Maldivian military diver who later died during the recovery operation, using the tragedy to explore how Just Culture approaches accidents in high-risk environments. Rather than rushing to blame individuals, the discussion walks through the Eight-Question Review framework, which looks first at the wider system: authority, procedures, training, resources, organisational culture, operational norms, and the pressures

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05:40

SH300: "We want accountability."

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/29

This episode reflects on the tragic deaths of five Italian divers in the Maldives and a Maldivian military diver who died while trying to recover them, using the event to explore what real accountability should look like after a diving accident. Rather than rushing to blame or making assumptions based on limited information, the discussion challenges the diving community to resist quick judgement and focus instead on understanding the conditions, decisions, and systems that may have shaped the

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08:43

SH299: When we ask 'What conditions made this more...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/25

This episode challenges the instinct to explain diving accidents by focusing only on individual mistakes or broken rules. Instead, it explores how social, cultural, organisational, and environmental conditions shape the decisions divers make, even when those decisions seem irrational in hindsight. Using recent diving incidents as examples, the discussion highlights how behaviour that appears risky often made sense to those involved at the time, influenced by pressures such as authority, identity,

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17:22

SH298: Beyond the Floor: Why Meeting the Standard...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/22

This episode challenges the common belief that following diving standards automatically makes diving safe. It explores how industry standards, while important, can create an illusion of safety when compliance becomes the main goal rather than improving real-world performance. The discussion examines how many diving standards are written and assessed by the same organisations they are meant to guide, creating a closed system that can protect institutions legally while limiting opportunities for

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17:02

SH297: CRM, ISO 8804, and Scientific Diving:...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/18

This episode explores the growing recognition that safe and effective scientific diving depends on more than technical skill, equipment, and certification. Prompted by new research into applying Crew Resource Management (CRM) to scientific diver training, it examines why communication, leadership, teamwork, and decision-making are essential in complex underwater operations where divers must manage both life support and scientific tasks under pressure. Drawing on lessons from aviation, healthcare,

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13:17

SH296: When 'I'm Fine' Isn't True: Speaking Up and...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/15

This episode explores a diving incident where nothing officially “went wrong,” yet a series of small decisions and social pressures nearly led to tragedy. A newer CCR diver and his wife joined more experienced divers on an unfamiliar shore dive, and although they surfaced safely, the dive revealed how easily people can ignore warning signs when they feel pressure to fit in, avoid disappointing others, or challenge more experienced teammates. Drawing on research into speaking up, psychological

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11:41

SH295: Four Ways We Talk About 'Human Factors' in Diving

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/11

This episode explores what people really mean when they talk about “human factors” in diving—and why the term can sometimes create more confusion than clarity. It looks at four different ways the phrase is commonly used: blaming “the human factor” when something goes wrong, focusing on what is happening inside the diver such as stress or decision-making, examining the external conditions that shape performance like equipment, procedures, and team dynamics, and finally viewing diving as a complex

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13:09

SH294: Clickbait, trolls and comments. How dive...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/08

Discussions about diving incidents on social media often follow a predictable pattern: a short, simplified post describes what happened, and comments quickly focus on blaming the individual involved, creating a sense of clear-cut failure and easy lessons. This happens not because people have bad intentions, but because simple, linear stories and knowing the outcome push our brains toward hindsight judgement, making complex situations seem obvious after the fact. As a result, important factors like

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22:19

SH293: Why does nothing change? Why do the same...

Counter-Errorism in Diving: Applying Human Factors to... ·

2026/07/04

Over the past decade, diving fatalities have remained stubbornly consistent despite better equipment, more training, and growing participation, suggesting the problem isn’t just technical or individual error. Current safety approaches focus on equipment, skills, and counting deaths, but often ignore deeper issues like communication, teamwork, decision-making, and the wider system divers operate in. Research shows that most contributing factors in incidents come from these “upstream” conditions—such

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312 results

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