• Thursday, Aug 06, 2020
  • Last Update : 01:33 am

WWI mystery solved as wreck of Australian sub found

  • Published at 08:37 pm December 21st, 2017
WWI mystery solved as wreck of Australian sub found

Australia's most enduring military mystery has been solved after the wreckage of the country's first submarine was found more than a century after it vanished off Papua New Guinea, officials said on Thursday.

HMAS AE1, the first of two E Class submarines built for the Royal Australian Navy, disappeared on 14 September, 1914 near the Duke of York Islands with 35 crew members from Australia, Britain and New Zealand on board.

It was the first Allied submarine loss in World War I.

AE1 was found in more than 1,000 feet of water after an expedition - the 13th such search - was launched last week using Fugro Equator, a ship also used by Australia to hunt for missing Malaysia Airlines flight MH370.

"After 103 years, Australia's oldest naval mystery has been solved," Defence Minister Marise Payne told reporters in Sydney.

"This is one of the most significant discoveries in Australia's naval maritime history... The loss of AE1 in 1914 was a tragedy for our then fledgling nation."

Payne said she hoped the discovery would help investigators establish the cause of the sinking.

Progression of technology

Construction for AE1 started in 1911 and she was commissioned in Portsmouth, England in February 1914. The sub reached Sydney in May with her sister AE2.

At 55 metres long, AE1 displaced 599 tonnes and could reach a top speed of 15 knots on the surface and 10 knots when submerged. She was armed with four 18-inch torpedo tubes.

AE1 joined naval forces assigned to the capture of the German Pacific colonies and with AE2 took part in operations leading to the occupation of German New Guinea, the northeastern part of the island of New Guinea.

On September 14, she vanished after a rendezvous off Herbertshohe, present day Kokopo, near the Duke of York Islands with destroyer HMAS Parramatta.

Australia's Chief of Navy, Vice Admiral Tim Barrett, said the submarine was located using a range of technologies, including a magnetometer that measures magnetic disturbances, remotely operated vehicles and a deep-drop camera.

The search was jointly funded by the Australian government, the Australian National Maritime Museum and two maritime history organisations.

Submarines like the AE1 came to play key roles in WWI. But the first military submersibles had taken to the seas more than a century earlier.

The first naval submarine was purported to be Turtle, a hand-cranked vessel created in the 1770s during the American Revolution.

By the end of the 19th century, the French were developing submarines that used electric motors while Britain joined the underwater race in 1901 followed by Germany in 1905.

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