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Oonasdivers offering tech and Rebreather courses in the Red Sea with Mark Powell



OONASDIVERSUK-based tour operator Oonasdivers have teamed up with Mark Powell of Dive-Tech to offer tech and rebreather courses at Marsa Shagra in the Red Sea.

Mark Powell is one of the UK’s best known technical diving instructors. He has been involved in diving since the mid 1980’s and has been teaching since 1993.

Mark’s passion is wreck diving and it his exploration of deeper wrecks that led him into technical diving. Mark has served on the National Executive of the SAA as well as being the organisation’s technical diving advisor. He currently represents TDI/SDI at British Safety Diving group meetings as well as being a member of the BSI committees defining standards for diver training and diving equipment.


2015 schedule:

September 2015

3rd – 8th: TDI Intro to Tech, Advanced Nitrox and Decompression Procedures package
10th- 15th: TDI Rebreather Course.
17th- 20th: TDI Extended Range
21st- 22nd: TDI Intro to Tech

November 2015

5th – 10th: TDI Intro to Tech, Advanced Nitrox and Decompression Procedures package
12th – 17th:TDI Rebreather Course.

TDI Introduction to Technical Diving

This two day course is a new and welcome addition to the curriculum of the world’s largest and most successful technical diving agency. Intro to Tech is intended to give experienced sport divers a simple, non-threatening glimpse at the techniques and skills used in technical diving. Participating in this course will give those divers a better understanding of the detailed planning and preparation required to make a successful and safe technical dive. Intro to Tech is really a try it before you buy it course for someone who has heard a lot about tech and is wondering what all the fuss is about. But Intro to Tech is also worthwhile for divers who have no real intentions to go on to take a full tech class because the skills it focuses on – gas management, superior buoyancy and trim, situational awareness, and equipment selection – are useful in any form of diving.

Includes: Instruction

Pre-requisites: Open water diver or equivalent, minimum 15 years of age.

Cost: £200

TDI Combined Advanced Nitrox & Decompression Procedures Diver

This four day course includes both the Advanced Nitrox and Decompression Procedures courses. It is more intensive, but more efficient. It includes 6 nitrox dives and covers all the topics required to use mixtures from 40% to 100% for decompression as well as the ability to perform accelerated decompression.

Includes: TDI Advanced Nitrox & Decompression Procedures manual & certification.

Pre-requisites: Advanced open water diver or equivalent, TDI Basic Nitrox or equivalent, 50 logged dives, minimum 18 years of age.

Cost: £450

TDI Extended Range Diver

Again a comprehensive four day course, with 100 minutes bottom time required to qualify. The course concentrates on the proper techniques, equipment requirements, and hazards of deep air (55 metres maximum) utilising nitrox and oxygen for accelerated decompression. The course places a great deal of emphasis on personal and team limits, shut down procedures, gas switching, DSMB deployment and contingency planning etc.

Includes: TDI Extended Range manual & certification.

Pre-requisites: Advanced Nitrox Diver and Decompression Procedures Diver or equivalent, 100 logged dives, of which 25 must be deeper than 30 msw. Minimum 18 years of age.

Cost: £520

TDI Entry Level (Normoxic) Trimix

This four day course provides the training required to competently and safely utilize breathing gasses containing helium for dives that require staged decompression, utilizing nitrox and/or oxygen mixtures during decompression to a maximum depth of 60m.

Includes: TDI Entry Level Trimix manual & certification.

Pre-requisites: Advanced Nitrox Diver and Decompression Procedures Diver or equivalent, 100 logged dives, of which 25 must be deeper than 30 msw. Minimum 18 years of age.

Cost: £520 plus instructors gas and dives at cost.

If you or your diving buddies are interested in doing any of the above courses, contact Oonasdivers for a full quote for your stay at Marsa Shagra. Call 01323 648924 or email

To find out more about the technical courses, please conatct Mark Powell at Dive-Tech by calling 07770 864327 or email


Photo Gallery: Dive Fest Barbados



In our Gallery feature, we let the photos tell the story… Each Gallery showcases a selection of outstanding images on a chosen theme, taken by our Underwater Photography Editor Nick and Deputy Editor Caroline of Frogfish Photography. This time they reflect on their visits to the Caribbean Island of Barbados for the annual Dive Fest celebrations.

Dive Fest Barbados is a week of celebrating the marine life, diving and snorkeling this idyllic island has to offer. There are activities organised each day for all those that attend that include wreck diving, marine conservation, learning to dive, snorkeling and one an unusual dive for us – riding a submarine to the bottom of the Caribbean Sea! Dive Fest Barbados allows divers to get the very best out of a trip here, with plenty of diving, but also to sample the unique atmosphere, mouth-watering food and drink, stunning scenery and beautiful beaches.

For more images from Barbados and around the world, visit the Frogfish Photography website by clicking here.

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Marine Life & Conservation

Video Series: The CCMI Reef Lectures – Part 4 (Watch Video)



Introduced by Jeff Goodman

Never before since human beings have had major influence over our earths climate and environments, have we come to so close to the brink of global disaster for our seas and marine life. We need to act now if we are not going to crash headlong into irreversible scenarios.

A good start to this is understanding how the marine environment works and what it means to our own continued survival. We can only do this by listening and talking to those with the experience and knowledge to guide us in the right direction.

CCMI (Central Caribbean Marine Institute) are hosting an annual Reef Lecture series that is open to the general public and Scubaverse will be sharing those lectures over the coming months.

Part 4: Stop Whining! Life as an Ocean Ambassador; Ellen Cuylaerts

Ellen Cuylaerts shares her insights on how to act, practice what you preach and use your voice to contribute to constructive change. Ellen is a wildlife and underwater photographer and chooses to take images of subjects that are hard to encounter like harp seal pups, polar bears, orcas, beluga whales and sharks, to name a few. By telling the stories about their environment and the challenges they face, she raises awareness about the effect of climate change on arctic species, the cruel act of shark finning and keeping marine mammals in captivity.

During this seminar, Ellen will take you on a virtual trip and show you the stories behind the shots: how to get there, how to prepare, how to create the most chances to come home with a shot, and how to never give up!

Ellen Cuylaerts is an ocean advocate, underwater & wildlife photographer, explorer, and public speaker.

For more information about the CCMI click here.

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Sharks Bay Umbi Diving Village is a Bedouin-owned resort with stunning views and a lovely private beach. It is ideal for divers as everything is onsite including the resort's jetty, dive centre and house reef. The warm hospitality makes for a diving holiday like no other. There is an excellent seafood restaurent and beach bar onsite, and with the enormous diversity of the Sharm El Sheikh dive sites and the surrounding areas of the South Sinai, there really is something for every level of diver to enjoy.

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