Russian spy ship monitored near Trans-Atlantic internet cables

Russian spy ship monitored near Trans-Atlantic internet cables

The Irish Defence Forces are on high alert after the Russian Navy related ship Yantar has turned up off of the Atlantic coast.

The ship carries a range of deep-diving submersibles and sonar systems and has been suspected of operating on undersea cables before.

Yantar took up a stationary position between two undersea internet cables on Tuesday morning. According to AIS (automated identification system) positions collected by, the ship moved into a position between the cables around 4am local time. She has remained there for most of Wednesday before resuming her journey southwest.

In the hours before stopping, it had altered course to run parallel to the expected route of the Celtic Norse undersea cable. The other nearby cable is the AEConnect-1 which runs between Ireland and the United States. It is possible that there is additional underwater infrastructure in the vicinity.

According to analysis of open sources (OSINT), Yantar left the base of Olenya Guba in the Russian Arctic around August 8. Yantar does not appear to have been on AIS between leaving Olenya Guba and arriving off Ireland. Navy vessels are not bound by the same rules as civilian vessels and Yantar appears to routinely turns off her AIS. So her exact whereabouts have not yet been determined. However Russian Navy ships have been noted off the West Coast of Ireland and also off Scotland during this time.

Olenya Guba is where a number of special assets are based. These include the Russian Navy’s famous Losharik spy submarine which suffered a fatal fire on July 1, 2019. Other unusual marine systems include a pen for trained Beluga Whales. This was possibly related to the whale which turned up off the Norwegian coast in April 2019.

Yantar is described variously as a ‘Special Purpose Ship’ and an ‘Oceanographic vessel’. These are however seen as euphemisms for a spy ship. She is operated by Russia’s secretive Main Directorate of Underwater Research (GUGI) who also operate Russia’s ‘special mission’ (read ‘spy’) submarines.

Based on previous operating patterns Yantar is likely to deploy for several months and conduct multiple surveys, often near internet cables.

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