A spokesperson for the Irish Aviation Authority said: “On Thursday 9th February 2017, the Irish Aviation Authority (IAA) monitored the activity of aircraft transiting Irish Controlled airspace. These aircraft were reported to be Russian Military aircraft. 
“At no time did these aircraft enter Irish sovereign airspace. The aircraft were operating in Irish controlled airspace which extends 256 nautical miles off the west coast of Ireland, at no time did the aircraft infringe Irish sovereign airspace which extends to 12 nautical miles off the Irish coast.

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