OZTek & Show 2022 Speaker Schedule ((sample only until 2025 schedule is released))

Sistema Cheve has been dye traced to a spring 2,700 meters lower in elevation in the Sierra Juarez of northeastern Oaxaca, making it a strong contender for the world's deepest cave. A major breakthrough in 2021 extended the cave to more than 80 kilometers in length with the current limit of exploration at 5 and 1/2 days of hard travel from the nearest entrance. Single push underground stay times reached 30 days in 2021. Along the way numerous diving efforts have been involved, both OC and RB, at extremely remote locations. This talk will describe the cave, the dives, and expeditions planned for the coming years

In this presentation, I will talk briefly about Cousteau setting the world high altitude dive record in 1968, the current world record, and popular altitude dive locations today. I’ll cover some issues specific to high altitude diving (compensation for incorrect depths, etc) then describe my own experiences: instructor course at 5,000 ft in Johannesburg, first diving experiment in Colorado, (in a lake at 10,000 ft), diving with the Bolivian Navy in Lake Titicaca (14,400 ft), and a NASA experiment where I went to 30,300 ft in a hypobaric chamber, which is 2,000 ft higher than Everest. Sweat was literally boiling off my legs as it came out of my pores. Finally, I will conclude by naming four pools and two lakes on earth above 19,400 fsl where no human is thought yet to have dived. Discovery awaits the brave!

What does it take to provide effective safety for a the deepest freediving athletes in the world ? Safety diving legend Marco Cosentino breaks down the planning, logistics practices in a behind-the-scenes look at what it takes to make freediving the incredibly safe sport it is, especially when you have athletes diving to over 120m on a single breath with dive times of over 4 minutes. Protocols, use of scooters, staged safety arrivals, topside emergency medical care, evacuation contingencies .. and much, much more. Not to be missed !

With the developments in technical diving training and equipment over the past 25 years, we are currently in the golden age of shipwreck exploration and discovery. Technical divers have an ever growing list of bucket-list dives but the fact remains, we still have only discovered and dived a fraction of these shipwrecks to date.

This presentation takes a practical view at what is involved in exploring shipwrecks which either have never been dived before or which have not been fully explored previously such as HMS Curacoa, HMS Hurst Castle, the sinking of HMS Justicia and the U-boats that attacked her. I aim to detail the various challenges involved in shipwreck exploration and the techniques used to capture these wrecks using both photography and videography techniques. The presentation will contain many underwater images and video, including the use of 3D photogrammetry and gives an insight into the rewards and challenges of photographing these iconic wrecks.

There is currently no recognised framework from examining diving incidents and accidents to facilitate learning. The majority of adverse events are viewed from the perspective of law enforcement or litigation, neither of which helps with individual or organisational learning. This presentation will take best practice from high-risk industries and academia and propose a framework for use in diving incidents and accidents to facilitate individual and organisational learning using a number of case studies to show it can work.

Burnabbie Cave was one of the first dived caves on the Roe Plains, and for a time it was the most extensive. I will be focusing on the history of its exploration, an updated map, and why it has potential for so much more. This talk will answer why is it rarely dived but why this shouldn't be so.

An insight into becoming a self-taught underwater creative, various creative influences in the diving world, the story of Descent, behind the scenes of underwater productions, the upcoming feature film starring Jill Heinerth, and many more.

Every winter, in the heart of Port Phillip Bay and parts of the Great Southern Reef, a truly amazing natural phenomenon unravels: the gathering of thousands and thousands of great spider crabs. Those crabs come to the shallows together to seek safety in numbers and they are on a mission. In order to grow, they need to shed their hard shells and expand their soft flesh before hardening a new, bigger and shinier shell. Dodging hungry predators on the hunt for a soft crab at that time of year is tricky business – the best place to be is in the middle of a pile, protected by other crabs!

The spider crabs and their aggregations have been captivating people locally and internationally – Sir David Attenborough himself featured this natural wonder which happens nowhere else in the world in BBC Blue Planet II.

Would you believe that despite all this attention, we know very little about spider crab biology and ecology? Dr Elodie Camprasse and her team at Deakin University are here to change that and are using a mix of traditional and citizen science to study spider crab aggregations. Come hear what is being done to solve spider crab mysteries and how you can get involved in the research.

Everyone knows the treatment for decompression sickness (DCS) is oxygen and recompression. But what is really happening out there in the technical diving community? Are divers with DCS symptoms self-treating, and what are the outcomes? Is it OK to self-treat some symptoms, how, and under what circumstances? What is the medical community's view of this? This presentation will address these questions and other related topics.

Michael reveals the opportunities and techniques for photographing elusive and fast-swimming animals in the open ocean during the day and at night. Featured animals include orcas, dolphins, marlins, gannets, flasher wrasse, Blanket octopus, Diamond squid to the immortal jellyfish.

The Great Southern Reef (GSR) spans the entire bottom half of Australia, and 70% of our national population lives within 50kms of it. Yet, it's largely unknown. Film maker, marine scientist and educator, Stefan Andrews, has been working with a team to promote the recognition, stewardship and long-term health of these important ecosystems. By showcasing the unique biodiversity, thriving reefs and personal stories of human connection to these reefs, Stefan and The Great Southern Reef Foundation are building a much needed community around celebrating just how valuable, yet under-appreciated, these ecosystems are. In this visually captivating presentation, Stefan will take a deep dive into the biodiversity, threats and vision for the future of the GSR.

Come and discover the tips and methods of freediving photography, whether diving with animals or creative models.

From concept to creation, how making stories of kids taking their first breaths under the water lead to a global phenomenon.

Steps to properly preparing yourself and having the right safety gear on dive trips. An indepth look at when things do go wrong and how having the right emergency gear made all the difference.

Three historic cave connections, a hard-won kilometre of new underwater master cave, two Australian cave depth records and lots of underground shenanigans when the drawbridge was down between COVID lockdowns. Also a bonanza of dye tracing, "undress for success", and a new and miserable low in the effort to dive time ratio. Gritty expedition-style open circuit sump diving across several caves, but with plenty of jokes to lighten it up.

Twin rebreathers seem like a great solution to the redundancy question but they are complicated and bring their own problems. My approach and some tips for the unwary.

Discover the changes in Scientific Diving Standards - Simon talks you through the new training sections around:

• Training of scientific Dive Coordinators (may be relevant at the moment re the NSW Workcover stance on all recreational instructors/DMs needing to become General Divers!)
• HP and LP SSBA training

Learn the little known secrets of Melbourne‘s underwater world, including an underwater Grand Canyon more colourful than Willy Wonka’s factory. Unique marine life found nowhere else. Did you know Melbourne has the entire fleet of Britain’s World War 1 submarines to Dive on? Plus another 40+ shipwrecks? Maybe a 138 metre long guided missile destroyer? That is not all. Come and learn about Australia’s divings best kept secret. Melbourne. World class diving..

Bobby takes us through some of the real life crime events his FBI Diving Unit worked on. Absolutely riveting.

With new technology and research, there are a variety of tools and approaches that divers can use to improve their physical and mental performance, health, and safety in the water. This presentation will provide an overview of current research related to diver performance optimisation.

While cave divers have been exploring and mapping the Mount Gambier region for over 50 years, new survey data and geophysics research has recently led to several significant discoveries in well-known cave sites. Join Josh Richards as he shares the techniques that are helping divers lay new line in caves previously believed to be fully explored, and which parts of the Limestone Coast hold the greatest potential for future exploration.

My unlikely career in diving.

Join PADI Territory Director Thomas Knedlik and PADI Regional Manager Damian Jones for a PADI Training Update that covers dive industry updates, including PADI brand mission and ongoing conservation initiatives, as well as PADI product updates, focusing on PADI's TecRec program revision

In Québec lies one of the world's largest and oldest impact craters. Manicouagan Crater was formed 214 million years ago. You can see images from space but none from underwater. Nathalie takes you on a journey to discover the fascinating submerged forest of The eye of Quebec.

A question you may well ask, as it is now 70 years since a quiet, modest, Melbourne engineer named Ted Eldred, changed the design of modern world-wide scuba diving equipment forever. Join Des Williams at the OZTek and OZDive Show 2022 to know more.

Enabled Diving. Making the Ocean Accessible to All.

Disabled (Enabled) Diving - a rewarding and much needed teaching skill, which can enrich people lives and create next level job satisfaction for the instructor. Scuba diving is not the first place everyone goes when considering people with disabilities. Join Kat to learn about what she calls Enabled Diving - diving for people with disabilities. Discover what is possible from both a client and a dive professional perspective - the benefits and rewards and the special considerations.

Join PADI Territory Director Thomas Knedlik and PADI Regional Manager Damian Jones for a PADI Training Update that covers dive industry updates, including PADI brand mission and ongoing conservation initiatives, as well as PADI product updates, focusing on PADI's TecRec program revision.

The tunnelling industry is developing around the world, as all the giant metropoles suffer from congestion and need tunnels for metro and highways. Tunnel boring machines have to pressurise their cutting chamber to avoid water flooding when digging under rivers or seas. When maintenance is required, workers enter the machine under pressure and need decompression procedures. Two options are available, bounce diving and saturation diving, but because of the costs, operators tend to push mixed gas bounce interventions to the equivalent of 60 msw. Tunnel tables are the most difficult tables to design. The work is intense, the heat is extreme, the environment is just mud and hydraulic oil but still the operation requires one to two hours continuous bottom time to perform useful work. The presentation details the various recipes (trimix specification, double gas switches, massive oxygen dose management,) and mathematical tools used to design such tables.

Recovering everything from unexploded ordnance with the SAS to historic items from famous shipwrecks!

This dynamic NZ team not only utilise technical divers, but also freedivers and even kayakers… they have a dedicated shore based science team that works in literally all weather to ensure creatures attached to the rubbish they remove are safe, and returned safely to their home minus the street cone or E-scooter. Discover more.

This documentary, was broadcast in prime time in France, it has received numerous awards and has not been seen inn Australia. It relates a real experience of 28 days combining for the first time saturation diving and electronic rebreather. It allows the general public to understand and apprehend particularly technical dives.

You can find here the link of the trailer: youtu.be/DoZ4pozYKYc.

Followed by a live videoconference intervention by Laurent.

Why do we need one? How was it set up? What special skills and equipment is required? These questions and many more answered by the founder of the FBI Diving Unit himself!

The waters surrounding the coast of Ireland were the scene of some of the most significant maritime losses during both World Wars. The concentration of convoys coming from North America to the United Kingdom were a primary target for the German Navy, which has left an indelible mark on the underwater landscape around the Irish coastline. The presentation will focus on two of these war losses.

First, Cunard Liner R.M.S. Lusitania, who's sinking caused a storm of protest in the United States as a result of 128 American citizens being among the dead. The sinking helped shift public opinion in the United States against Germany, and was a factor in the United States' declaration of war nearly two years later.

The second, the sinking of H.M.S. Audacious which was the last King George V-class dreadnought battleship built for the Royal Navy in the early 1910s.

Mexico, Florida, France… those are places that would come in every diver's mind while planning a cave diving vacation. But did you know that just next door, the wide Indonesian archipelago is home of dozens, if not hundredsof those underwater caves, most of them being left unexplored.

Indonesia is the newcomer in the cave diving scene. With more than 150000 km² of karst area, the potential is limitless. In this seminar you will know more about the history of exploration in this area, the main places of interests and how Indonesia is becoming a must-see destination for cave diving training and exploration.

How to harness the full potential of scuba diving to conserve coral reefs by contributing to sustainable integrated coastal management.

During the past 20 years, under NASA funding for the development of robotic systems for the exploration of sub-surface oceans of the icy moons of Jupiter and Saturn, Stone Aerospace has developed and fielded four generations of autonomous underwater vehicles. The 4th-generation machine, SUNFISH, is a 6-degree-of-freedom hovering device that operates on more than 400,000 lines of AI behavior-based code. It creates 3D maps of the world around it and decides on its own where to explore. In 2019 it became the first autonomous system to explore completely unknown subterranean underwater territory, on its own, in Namibia. This talk will review the development history of SUNFISH, the work in Namibia, and upcoming robotic cave diving missions.

The use of ketones to fuel the brain and body for divers, and others working in extreme environments, is an exciting new area of research. This presentation will provide an overview of what we know, current research areas, and what we still need to know about the role of ketones in diver nutrition.

Richard Fitzpatrick talks about his tagging and mapping the movements of Tiger and reef sharks on the Great Barrier Reef and Coral Sea. This work now includes the tracking of Whale sharks and Mantas on a newly discovered aggregation site on an isolated reef off the Far North Cape. Most recently he has worked on a scientific response commissioned by the State Government, following a spate of shark bites in the Whitsunday's area of Queensland.

The 1970' the oil crisis heightened the US's need to explore further offshore in the Gulf of Mexico, involving deeper diving, meaning they needed experts on-call for the injuries they anticipated. That's right, DAN was literally born from deep mixed-gas diving. The founder of DAN, the late Dr Peter Bennett, had a rich history of deep experimental diving, eventually setting a (then) world record 686m trimix dive at Duke University. Since then DAN has kept pace with the growth of tech diving, in the 90's contributing articles to AquaCorps where the name “tech diving” was first coined, and sponsoring workshops on the remote management of DCS, Rebreather Forum 3, the Technical Diving Workshop, the PFO workshop and more, most recently publishing a study into caustic cocktail events. This presentation will showcase forty years of DAN's involvement in the topics that are of high interest to tech divers.

Learn the little known secrets of Melbourne‘s underwater world, including an underwater Grand Canyon more colourful than Willy Wonka’s factory. Unique marine life found nowhere else. Did you know Melbourne has the entire fleet of Britain’s World War 1 submarines to Dive on? Plus another 40+ shipwrecks? Maybe a 138 metre long guided missile destroyer? That is not all. Come and learn about Australia’s divings best kept secret. Melbourne. World class diving Mel

Better late than never, it's time for this to brave the public domain. GoPro footage (be warned, it's not pleasant), explanation, analysis and lessons from an incident which has implications for all divers, but especially rebreather divers.

An in-depth case study of a diving accident from the HEMS (Helicopter Emergency Medical Service) perspective. HEMS Intensive Care Paramedic Rupert Freeman takes us through from the incident occurrence to arrival at hospital and gives some real-world examples of lessons learnt.

Discovery and on-going research on the wreck of the barque South Australian. James is the Curator RAN Maritime Archaeology & this is one of his regular worksites. Find out more about the Australian wreck and what the team is uncovering.

Lighting tips & tricks

There are few diving medical topics more controversial than in-water recompression to treat decompression sickness. The medical community has typically been dismissive of the idea, partly because of the lack of definitive answers to two pivotal questions: 1. does very early recompression really make a difference? 2. do shorter shallower recompressions than can be performed in a chamber actually work? Recent work has provided answers. These answers, combined with the fact that technical divers operate in very remote locations and have a skill set that makes in water recompression less risky, have compelled the medical community to reconsider this issue. This presentation will review where we are now.

Michael reveals the opportunities and techniques for photographing elusive and fast-swimming animals in the open ocean during the day and at night. Featured animals include orcas, dolphins, marlins, gannets, flasher wrasse, Blanket octopus, Diamond squid to the immortal jellyfish.

Unveiling the details and dramas on the discovery of the HMB Endeavour.

Arguably the most important part of the dive - before and after. Learn from the experts how to give an effective, non-judgemental dive brief AND more importantly the DE-BRIEF.

The history of the area (untravelled). Robins discovery of the system and the local interest/use of the water. Rannnva and my history together and our passion for caves and aquifers (and the importance of this aquifer in particularly, locally and internationally).

• The planning of the expedition - Why and how.
• The goals (scientifically, culturally + UNESCO Geopark application process).
• The cooperations (Indonesian government & University faculties). What do they need and how will we provide this.
• The dive team - who are they and what are their roles - making the A-team of highly experienced people and their responsibilities was vital, it is not easy diving.
• The dry team - speleologists mapping and exploring the 2 massive dry chambers, hoping for connections to water.
• The logistical challenges (heavy) - everyone are trained in Mexico on Sidewinder + scooters prior to project, all is shipped to Indo in containers. Permits are heavy. The list is long.
• The media interest - History channel, HBO + 2 different producers (pros and cons of having a documentary created).
• And hopefully finishing with revealing that the expedition is both a flag expedition (we are awaiting approval) and who the main sponsor is.

Emmy award-winning underwater cinematographer Richard Fitzpatrick talks about the science and filming challenges of filming complex behavioral sequences for the largest broadcasters and streaming services on the planet -from plankton to whales and everything in between! Working in severely challenging conditions with dangerous, rare and venomous animals requires nerves of steel plus the patience of a saint and has led to numerous visits to the ER department!

An imperative topic. Paul takes us through mouthpieces and bailouts including bailout rebreathers.

A look at what regulations may apply, what they mean for both instructors and divers, and why a new Risk Model may be the way of the future for occupational divers - and why, if you are guiding & teaching, you are in fact an occupational diver!

This will cover both the technical & recreational sectors, as well as looking at the working diver in the scientific, media, aquaculture, aquarium and general diver areas.

A unique insight into common (and not-so-common) diving practices within the feature-film industry - from two practitioners who have worked on major Hollywood films including Avatar -The Way of Water, Mission Impossible, Sanctum, Batman, The Cove and James Cameron's Deepsea Challenge.

Gas narcosis impairs divers at depth. By measuring the effects of gas narcosis we can better understand how each of the gases in our breathing mixture affects us.

Black & white Imagery

You all saw amazing images from polar bears, narwhals and all the wildlife and landscape of the polar region. But life behind the scenes is a perfect mix of logistics, team work and resilience in 24 hours day light. Nathalie shares with you her experience of 10 expeditions in the Canadian arctic including the filming of award winning series: Secrets of the whales'.

A look at the pioneering cave diving exploration of Jenolan Caves from 1952 to present - including what's still left to uncover and how to find it.