EYOS Expeditions begins mission to reach deepest points in five oceans

Expedition charter company EYOS Expeditions has revealed it has begun an ambitious expedition to reach the deepest points of the world’s five oceans.

The Five Deep Expedition is the result of three years’ preparation and research. If successful, it will see a manned submersible vessel reach the dive-deepest points in the oceans. The expedition is a joint venture between investor and explorer Victor Vescovo, EYOS Expeditions and Triton Submarines.

The sub will be piloted by Vescovo, while Rob McCallum of EYOS will undertake responsibility for the overall coordination of the expedition, from preparation and planning to day-to-day leadership.

EYOS previously provided polar logistics and operational support on board the 56-metre (184-foot) research vessel Alucia during her three-month deployment in Antarctica for the BBC television series Blue Planet II. Dr. Alan Jamieson of Newcastle University will lead the scientific mission.

A two-person-deep sea research submersible called Limiting Factor has been created by Triton for the expedition. It will be transported and deployed by the recently refitted ship Pressure Drop.

The news comes as the team of oceanographers, scientists and explorers recently completed successful sea trials of both Pressure Drop and Limiting Factor in the Bahamas.

The Five Deep Expedition will attempt to dive to the bottom of the Java Trench in the Indian Ocean at 7,725 metres down, the Malloy Deep in the Arctic Ocean at 5,669 metres, the South Sandwich Trench in the Southern Ocean at 8,428 metres down, and the Puerto Rico Trench in the Atlantic Ocean at 8,648 metres down. To cap it off, the expedition will also dive to the Mariana Trench in the Pacific Ocean, which is 10,898 metres down.

Discussing the project, Vescovo commented, “In 2015, I was very surprised to discover that no-one had ever been to the bottom of four of the world’s oceans. I thought it would be a great goal to push the absolute limits of marine technology. We sincerely hope to make history both technically and scientifically on this expedition.”

McCallum added, “This project allows us to finally explore the last frontier on Earth.”

Dr Jamieson said the expedition would be hugely significant to scientific discovery, suggesting the discoveries made on the expedition “promise a world of new scientific innovation in almost every area of biological, geological and oceanographic study”.

For more information, visit EYOS Expeditions and Triton Submarines. Sign up to our newsletter to get the best of Yachting Pages delivered direct to your inbox every month.


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