HMS Terror find could solve 170-year Arctic mystery

Diving News

Underwater archaeologists believe they have found the well-preserved remains of HMS Terror off Nunavut in the Canadian Arctic.

In 1846 the ship went missing, along with Sir John Franklin’s flagship HMS Erebus, on a Royal Navy expedition to chart the North-west Passage connecting Atlantic to Pacific.

The wreck was found on 3 September during a nine-day expedition mounted by Parks Canada’s Underwater Archaeology Team. Present were the Arctic Research Foundation research vessel Martin Bergmann, Canadian Coast Guard icebreaker Sir Wilfrid Laurier and the Navy’s HMCS Shawinigan.

The Martin Bergmann had diverted to a location near King William Island, coincidentally called Terror Bay, after Inuit crewman Sammy Kogvik mentioned that he had once seen a mast-tip protruding from the water there. A side-scan sonar survey indicated a shipwreck 24m down at the position he provided.

A Canadian Navy-operated ROV was then sent down and captured video images of a ship that met the description of HMS Terror.

Captained by Francis Crozier, Terror was a 31m three-masted vessel. Like Erebus, which was found in 11m by the same team two years ago, she had metal-reinforced timbers to support her mortar armaments, and so was deemed sturdy enough for Arctic exploration.

The wreck sits perfectly upright, suggesting a gentle descent to the seabed. A locomotive chimney could be seen on the video – and Terror had been fitted with a loco to provide power-assistance for her propeller.

Also read: Inside HMS Terror 170 years on and 275 artefacts recovered from Erebus shipwreck

Also visible were such detail as the ship’s bell, the double-wheeled helm, a capstan complete with rope, a hatch leading to the mess-hall with a table on its side, a steam-engine exhaust pipe, metal-plating on the bow and the four windows at the stern through which the captain’s quarters could be seen.

The loss of the two Royal Navy ships is regarded as the worst tragedy in the history of Arctic exploration. It has long been assumed that after the vessels were trapped by ice, survivors of the 129-man expedition crew died while trying to make their way south on foot. An 11-year search following the ships’ disappearance failed to provide any answers.

The wreck of HMS Terror lies more than 30 miles from where Erebus was found and 60 miles south of where it was thought to have been crushed by ice. The location and good condition of the wreck suggest that some crew may have returned north in a fruitless attempt to sail Terror into less-icy waters.

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@dekkerlundquist5938
#ASKMARK Hello Mark, while out diving recently I talked to an experienced diver who was diving with twins but did not have any manifold on them, i.e. each cylinder had a first stage with a primary and an SPG. One cylinder had the low pressure inflator for his BC. What are the pros and cons of a manifold setup versus independent twins?

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@dekkerlundquist5938
#ASKMARK Hello Mark, while out diving recently I talked to an experienced diver who was diving with twins but did not have any manifold on them, i.e. each cylinder had a first stage with a primary and an SPG. One cylinder had the low pressure inflator for his BC. What are the pros and cons of a manifold setup versus independent twins?

#scuba #scubadiving #scubadiver
LINKS

Become a fan: https://www.scubadivermag.com/join
Gear Purchases: https://www.scubadivermag.com/affiliate/dive-gear
-----------------------------------------------------------------------------------
OUR WEBSITES

Website: https://www.scubadivermag.com ➡️ Scuba Diving, Underwater Photography, Hints & Advice, Scuba Gear Reviews
Website: https://www.divernet.com ➡️ Scuba News, Underwater Photography, Hints & Advice, Travel Reports
Website: https://www.godivingshow.com ➡️ The Only Dive Show in the United Kingdom
Website: https://www.rorkmedia.com ➡️ For advertising within our brands
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We partner with https://www.scuba.com and https://www.mikesdivestore.com for all your gear essentials. Consider using the affiliate link above to support the channel.
00:00 Introduction
00:40 What's the point of independent twins?
01:06 Answer

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What's The Point of Independent Twins? #askmark

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