The Shipwreck Decoder

A Handbook for Divers and Maritime Enthusiasts

by Ashton East

Paperback

Price: £20.00

Revised Reprint (2026)*

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Description

Transform your understanding of the underwater world with The Shipwreck Decoder. This essential illustrated guide helps you understand the silent stories told by submerged vessels. This insightful handbook delves into the features of shipwrecks, placing them in their rich historical context. It teaches you how to interpret your observations. Spanning different eras of maritime technology, it covers details from hull construction and propulsion systems to armaments and navigation instruments. As a result, it will help maritime enthusiasts – including divers – to truly ‘read’ these underwater time capsules.

For Divers: This book enhances the experience and understanding of shipwreck divers. You’ll learn how to orient yourself on a wreck using engine components or understand construction methods. These practical details are directly valuable for divers. It helps you explore more confidently and make sense of every dive.

For Maritime Enthusiasts: The book deeply explores marine engineering, historical timelines of technology, and the evolution of ship design and equipment. It covers ancient vessels to Cold War era ships. Therefore, it provides rich content for anyone passionate about the subject, archaeology, and naval architecture. The knowledge you gain will significantly enhance your appreciation of the topic. This includes, for example, dives, maps, charts, logs, museum displays, and even documentaries.

  • Featuring 400+ Original Illustrations: Making complex engineering visually accessible
  • A Go-To Practical Guide: A dependable source for the dive boat and après dive identification chats.
  • Turn Observations into Knowledge: Clear instruction on identifying features and interpreting their history.

*The Revised Reprint (2026) incorporates the changes detailed in this document.

Praise for The Shipwreck Decoder

‘The more you know about ship features, the better equipped you are to use components to navigate or “decode” a wreck… Strongly recommended.’— SCUBA Magazine

‘I would recommend it to any casual recreational wreck-diver, to budding archaeological divers and, I reckon, it could fill many a gap even in experienced wreck-divers’ knowledge. You won’t spend a better £20 for a dive-related book.’– Divernet.com

‘Most divers and archaeologists learn about the technology of ships piecemeal, according to the age and type of wrecks that they have been investigating. This can result in considerable gaps in knowledge – you might know a lot about cannons but little about steam engines. And yet the need for a comprehensive knowledge base is paramount, as both amateurs and professionals can move between wrecks of widely disparate characteristics. In this excellent book, Ashton East addresses this need with a wide-ranging catalogue of ship components and fixtures, written and illustrated with great clarity. Unlike most books of this nature, which tend to be weighty reference encyclopaedias, The Shipwreck Decoder is a compact guide that can be read over a couple of evenings. It should be read by all divers involved with wrecks and others with an interest in ships. It is a wonderfully useful book, and I cannot recommend it too highly.’– David Gibbins, Maritime Archaeologist, New York Times and London Sunday Times Bestselling Author.

I wish this book had been available 30 years ago when I learnt to dive. I have loved diving on and investigating shipwrecks since those very first open water dives in Portland Harbour, but for years never really knew what it was I was looking at. Now all new divers can. There are few books that are specifically targeted at helping divers get a better understanding of what lies on the seabed in such a clear way so this should become a mainstay in every diver’s library.’– Mark Beattie-Edwards, CEO, Nautical Archaeology Society.

I’m amazed how much information Ashton has managed to cram into two hundred pages – I’ve certainly learned a lot!’– Dominic Robinson, Deep Wreck Diver.

This is a fantastic book and just the kind of introduction to shipwrecks I wish I had when I started diving. Ashton describes it as a primer and a briefing aid to “read” wrecks, and I can definitely see readers leafing through the pages before and after dives to interpret what they’ve seen. I can’t think of another work that can gently guide the reader through the intricacies of ancient boat-building technology or the science that drives a modern marine engine. Its ambitious scope is wide ranging, tracing developments across historical periods and between cultures. While it doesn’t try to master every topic, it methodically covers every part of a ship you can think of from stem to stern (or bowsprit to rudder), with deep dives into important subjects when Ashton thinks the reader needs to know more. Like me you’ll probably find an interesting fact you didn’t know in each chapter. Hopefully it will inspire the curious diver to make sense of the jumbled parts of a shipwreck encountered underwater and enable readers to better appreciate the engineering marvels these ships once were.’– Giles Richardson, COO, Maritime Archaeology Sea Trust.

‘Thanks to this little gem of a book, that confusing pile of scrap on the sea bed will just make a lot more sense – you’ll know where to look for stuff, how to interpret what you see and maybe even find that illusive ship’s bell! For me, that makes The Shipwreck Decoder an essential and invaluable resource for any diver.’– Jason Brown, Bardo Photographic

About the Author of The Shipwreck Decoder

Ashton East’s passion for the underwater world began long before he could join his parents’ diving adventures at age twelve. Over the decades, he has become an accomplished underwater photographer and technical diver, exploring shipwrecks globally. His desire to truly understand these submerged time capsules led him to study nautical archaeology courses, review literature and visit museums, approaching the subject with the keen, analytical eye developed during his extensive legal career. What started as a Covid lockdown project documenting these explorations is now published as a must-have guide for enthusiasts of all sunken vessels.

Additional information

Weight 370 g
Dimensions 229 × 152 × 14 mm
ISBN

Format

Pages

Publication date

Publisher

Place of origin

United Kingdom

Ebook (PDF)

9781909455689

Edition

1st (Revised 2026)

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