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Nuclear-powered Royal Navy submarine in ‘near-miss’ with ferry



A nuclear-powered Royal Navy submarine has been involved in a near-miss with a ferry in the Irish Sea.

An investigation has been launched into the incident, which was reported to authorities but did not receive media coverage when it occurred on 6 November.

The ferry was Stena Superfast VII, which operates between Northern Ireland and Scotland and has a capacity for 1,300 passengers and 660 cars.

The submarine was submerged at the depth needed to extend its periscope above the surface of the water.

The Royal Navy would not confirm which of its 10 submarines was involved.

The Stena Superfast VII operates between Northern Ireland and Scotland
The Stena Superfast VII had a near miss with a Royal Navy submarine

All of them are nuclear-powered but only four carry Trident nuclear missiles.

A spokesman for the Marine Accident Investigation Branch (MAIB) said: “In November, we were notified of a close-quarters incident between the ro-ro [roll-on/roll-off] ferry Stena Superfast VII and a submarine operating at periscope depth.

“We have carried out a preliminary assessment of the evidence in this case and the chief inspector of marine accidents has decided to open a safety investigation.

“The investigation is being conducted with the full co-operation of the Royal Navy. A report will be published when our investigation has concluded.”

A Navy spokesman said: “We can confirm the sighting of a Royal Navy submarine between Belfast and Stranraer on 6 November 2018. We are co-operating with the MAIB’s investigation.”

Stena Line also confirmed the sighting, but a spokesman for the ferry operator said that “at no stage were the vessel, passengers or crew in any danger”.

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