Naval Officer Analyzes the Scylla Wreck Tragedy | E118

In this episode of Speaking Sidemount, brought to you by XDEEP, Steve Davis reacts to and analyses the 2021 wreck-diving tragedy inside the wreck of HMS Scylla off Plymouth, UK.

This is Steve's reaction to Dom Robinson's interview with Adam Dent, the sole survivor of this tragic dive. https://www.youtube.com/watch?v=OMYKjZocins&t=1996s

On the dive in question, two divers lost their lives during a 3 Deck penetration dive inside the wreck of HMS Scylla. Steve examines the dive from the perspective of:

  • A wreck diving instructor

  • A technical sidemount, CCR Cave and Full Cave, and an advanced wreck diver

  • A former Royal New Zealand Naval Officer and Marine Engineer Officer of HMNZS Canterbury, a Leander-class frigate of the same generation as HMS Scylla.

  • Author of the book "The Canterbury Wreck – A Diver’s Guide"

Drawing on his years of experience serving aboard Leander-class frigates, HMNZS Canterbury and HMNZS Wellington, his training and wreck diving experience, plus hundreds of dives on the Canterbury wreck, most to 3 Deck and below, Steve discusses how the layout of a warship influences wreck-diving navigation and why advanced wreck protocols are critical when penetrating deep into multi-deck vessels.

Topics discussed include:

  • The difference between recreational and "Advanced Wreck" diving

  • Why warships become labyrinths underwater

  • Advanced wreck diving planning

  • The importance of progressive penetration

  • Guideline use and its limitations

  • Other methods of wreck diving navigation, such as strobes and the “lines of the wreck”

  • The human factors that contribute to wreck diving accidents

  • What to do if you become lost inside a warship.

This episode is not about criticism. It’s about learning and helping divers better understand the risks of overhead environments.

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🎧 Available on Apple, Spotify, YouTube, and wherever you get your podcasts.

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🙌 Huge thanks to Dom Robinson - "The Deep Wreck Diver" https://www.youtube.com/@DeepWreckDiver

🙌 And to Adam Dent for sharing his story

📘 Purchase "The Canterbury Wreck - A Diver's Guide" → https://a.co/d/0iduWFAh

📘 Grab Steve's "Sidemount Fundamentals" eBook → www.sidemountpros.com/store

🙌 Support the show → www.patreon.com/speakingsidemount

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