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The Love-Hate Relationship Between CCR & CE Marking
Since the first Rebreather Forum in 1994, the will to develop increasingly safer closed-circuit rebreather (CCR) units has been at the heart of each discussion. The market might be a niche, but...
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Invaders: What We Know and What We Don’t Know
It’s like something out of science fiction, alien species are invaders—plants and animals that are found in places where they do not belong. If you’re thinking lionfish, you’d be right, but for this...
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Immersion Pulmonary Oedema: A diving safety concern?
Immersion Pulmonary Oedema/Edema (IPO/IPE) might not be the most common safety concern or health problem during diving, but it probably is one of the most unknown ones. As we will see in this article,...
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Tren Maya is On the Wrong Track! An update.
Section 5 of the Tren Maya—an intercity train route traversing the Yucatán Peninsula—runs parallel to and over the second most important aquifer in Mexico. The ongoing project is affecting (more like...
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The Five Cenotes
Ox Bel Ha cave exploration project August 2022 – August 2023 Ox Bel Ha is one of the largest underwater cave systems in the world, with many hundreds of kilometers of known passages. It is located...
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Everything You Always Wanted to Know About Teaming Up With a Rebreather Diver
Open-circuit and rebreather divers can be on the same team – to the benefit of both parties, as long as certain precautions are observed. With rebreathers gradually becoming more popular, the odds of...
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Making the Jump on the HMS Southwold
One of Malta’s Historic WWll Wrecks Malta, at last. This trip had been in the planning for a while but kept getting postponed for lack of time and other reasons. When I was invited to represent...
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DAN Dives Gallipoli: Ambassadors Explore WW1 Wrecks
Gallipoli, Turkey, is a place steeped in history where the echoes of World War I battles endure. Yet beneath these storied waves lies a hidden world, patiently awaiting discovery by divers. In this...
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Which ear drops?
Editor’s note This is the last article of our Equaleasy series, which is based on a course on equalization developed in a collaboration between DAN Europe and champion freediver Andrea Zuccari. It is...
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CCR vs. Open Circuit: What’s the cost per dive?
The idea for this blog post started out with a question that I had to solve for myself: When I’m using a rebreather in a professional context, e.g. for guiding technical dives, how do I calculate my...
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Performance Enhancement in Freediving: Ethical and Medical Dilemmas
In this overview, we delve into the controversial issue of using Performance-Enhancing Drugs (PEDs) in freediving, examining the trends, potential benefits, and ethical implications within the sport....
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Dive Expo, Belgium’s new Rec-to-Tec show
We report on the first edition of this new initiative in the Belgian and international diving scene. Exploration, science, freediving, UW photography and cinematography, legendary wrecks… Along with a...
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Into the wild: diving beyond one’s limits
Wisdom: How was the dive then? First dive since you finished your open water course, must have been pretty exciting, right? Foolishness: Oh Man… The wreck and its engine room down the stairs… That was...
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Improving Diver Safety and Education: The opinions of a Pro
An Interview with Daniele Pontis, Instructor and Dive Centre Owner What kind of dive industry do we, as passionate technical divers, truly desire? How can we create an industry that unites us in our...
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Carbon Dioxide – the Dreaded Enemy (part 1)
This is the first part of a three-part series on carbon dioxide, a common contributor to diving emergencies. Parts two and three will be published in future issues of Alert Diver. A close call Please...
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Understanding Gas Density: Should it matter to you? Crucial Aspects in Scuba...
For many recreational divers, the allure of exploring underwater worlds often overshadows the technicalities involved and the potential hazards that await them. Not realizing that “The water WILL hold...
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Last Summer I Saw a Diver Die
Until 2023, I was among those divers who had never witnessed a severe incident in scuba diving. Certainly, I’ve encountered challenging dives, including a few where doubts about reaching the surface...
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Dive Smarter: Know Your Rental Gear!
Imagine renting a car in an unfamiliar city, navigating traffic on unfamiliar roads, and then finding yourself in a heavy rainstorm — only to realize you don’t know how to operate the windshield...
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Risk mitigation: DAN’s Dive Safe Officer
To mitigate a risk, one must be able to understand and identify hazards and perform a risk assessment, but these specific skills are not a part of any kind of scuba diving course and require additional...
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Carbon Dioxide – the Dreaded Enemy (part 2)
This is the second part of a three-part series on carbon dioxide, one of the most common contributors to diving emergencies. You can find part one here. Part three will be published in a future issue...
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