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Russian tanker crosses northern sea route without ice breaker

A commercial LNG tanker has sailed across the colder, northern route from Europe to Asia without the protection of an ice-breaker for the first time.

The specially-built ship completed the crossing in just six-and-a-half days setting a new record, according to tanker’s Russian owners.

The 300-metre-long Sovcomflot ship, the Christophe de Margerie, was carrying gas from Norway to South Korea.

Rising Arctic temperatures are boosting commercial shipping across this route.

The Christophe de Margerie is the world’s first and, at present, only ice-breaking LNG carrier.

The ship, which features a lightweight steel reinforced hull, is the largest commercial ship to receive Arc7 certification, which means it is capable of travelling through ice up to 2.1m thick.

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On this trip it was able to keep up an average speed of 14 knots despite sailing through ice that was over one-metre-thick in places.

On its maiden voyage earlier this year, the Christophe de Margerie docked in the Russian port of Sabetta. Russian President Vladimir Putin congratulated the crew and energy company officials gathered on the ship’s bridge, saying: “This is a big event in the opening up of the Arctic.”

The Russian owners, Sovcomflot, will use this ice-breaking tanker to export gas from the Yamal peninsula to Asian markets later this year.

It will be the first of a planned fleet of 15 that will transport gas from these ice bound fields all year round.

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“Previously there was only a window of navigation from our summer to autumn, but this ship will be able to sail westwards from Sabetta which is the Yamal energy port, all year round and eastwards from July to December,” said Sovcomflot spokesman Bill Spears.

“Before the northern sea route was only open for four months and you had to have ice-breakers – so it’s a significant development.”

In 2016, the northern sea route saw 19 full transits from the Atlantic to the Pacific.

High insurance and large fees for Russian ice-breakers are still discouraging some ship owners from the riskier northern route. But the economic benefits are attractive – the Christophe de Margerie took just 19 days for the entire voyage, around 30% faster than going by Suez.

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There has been an overall decline in Arctic sea ice over the past 30 years, linked by scientist to rising global temperatures. This year, according to the US National Snow and Ice Data Centre (NSIDC), the annual maximum extent of Arctic sea ice hit a record low for the third year in a row.

source: bbc.com

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