SH117: Complacency: The Silent Killer... But it's not that Simple!

SH117: Complacency: The Silent Killer... But it's not that Simple!

In this episode, we explore complacency in technical diving, using the tragic case of Wes Skiles' 2010 rebreather accident as a springboard. Often labeled as the "silent killer," complacency can emerge when divers become overly reliant on their equipment and fail to actively monitor it, especially automated systems like rebreathers. Diving systems, much like any automated setup, require continuous attention and critical monitoring to avoid a gradual drift from safe operating practices—a concept known as the "normalization of deviance." We discuss the importance of training, shared learning from others' experiences, and maintaining a mindset of proactive failure anticipation, following insights from human factors research.

Original blog: https://www.thehumandiver.com/blog/complacency-the-silent-killer-but-it-s-not-that-simple

Links: Report about Wes Skiles: http://postoncourts.blog.palmbeachpost.com/2016/05/20/pbc-jury-deciding-whether-to-award-widow-of-famed-diver-wes-skiles-25-million/

HFACS: https://www.nifc.gov/fireInfo/fireInfo_documents/humanfactors_classAnly.pdf

Parasuraman et al 2010: http://www.ncbi.nlm.nih.gov/pubmed/21077562

Normalisation of deviance blog: https://www.thehumandiver.com/blog/incompetent-and-unaware-you-don-t-know-what-you-don-t-know

Endsley’s Situation Awareness model: http://hfs.sagepub.com/content/37/1/32.short?rss=1&ssource=mfc

Bahner et al: http://www.sciencedirect.com/science/article/pii/S1071581908000724

HUDs research: http://www.ncbi.nlm.nih.gov/pubmed/21077562

Pilot missing parked aircraft: http://www.aviation.illinois.edu/avimain/papers/research/pub_pdfs/techreports/05-23.pdf

Tags: English, Gareth Lock

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Avsnitt(296)

SH296: When 'I'm Fine' Isn't True: Speaking Up and Ending the Dive

SH296: When 'I'm Fine' Isn't True: Speaking Up and Ending the Dive

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 ex...

15 Juli 13min

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

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

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 phra...

11 Juli 11min

SH294: Clickbait, trolls and comments. How dive incident posts can teach us — if we let them

SH294: Clickbait, trolls and comments. How dive incident posts can teach us — if we let them

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, ...

8 Juli 13min

SH293: Why does nothing change? Why do the same failures keep happening?

SH293: Why does nothing change? Why do the same failures keep happening?

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 individua...

4 Juli 22min

SH292: Learning or Blaming: The Choice the Diving Industry Needs to Make. Part 3 of 3.

SH292: Learning or Blaming: The Choice the Diving Industry Needs to Make. Part 3 of 3.

This final blog explores what the research means and how the diving community can realistically improve learning and safety. It argues that the problem is not broken individuals but a system that quie...

1 Juli 14min

SH291: What the Data Told Us: Fear, Trust, and the Stories That Never Get Told. Part 2 of 3.

SH291: What the Data Told Us: Fear, Trust, and the Stories That Never Get Told. Part 2 of 3.

This blog explains how a mixed-methods study explored why divers struggle to share honest, learning-focused stories about incidents. Using a large international survey, focus groups, and expert interv...

27 Juni 13min

SH290: What Happens Underwater, Stays Underwater — And That's a Problem. Part 1 of 3

SH290: What Happens Underwater, Stays Underwater — And That's a Problem. Part 1 of 3

This episode introduces the problem behind learning in diving safety, using the 2020 death of Linnea Mills to highlight how incidents are often caused by deeper system issues, not just individual mist...

24 Juni 12min

SH289: Chac Mool - Diving Deeper into a Triple Fatality with Human Factors

SH289: Chac Mool - Diving Deeper into a Triple Fatality with Human Factors

This episode examines a 2012 triple fatality at Cenote Chac Mool in Mexico using a Human Factors approach, showing how accidents are rarely caused by a single mistake but by a combination of small, in...

20 Juni 24min

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