Dublin Coast Guard alerted Ballycotton RNLI in County Cork at 16:16 local time to assist the vessel. Shark bite rescue: Irish Coast Guard and RNLI respond swiftly as a man suffers suspected shark bite off Waterford coast. By the time it reached the boat, Youghal RNLI and Irish Coast Guard Helicopter Rescue 117 had already responded. Not the first shark incident on Irish watersTuesday's suspected bite is not without precedent along the Irish coastline. Coast Guard helicopter: Rescue 117 airlifts injured man to Cork University Hospital following shark bite emergency.