Off the Coast of Larne Northern Ireland A P&O ferry temporarily without power and was left adrift in the Irish Sea briefly. It lost power about five miles off the coast of Larne, Northern Ireland. The European Causeway, which has the ability to hold up to 410 passengers, left Cairnryan in Scotland that afternoon headed for Larne Harbour. A spokesperson for the UK’s Maritime and Coastguard Agency confirmed that the European Causeway had was experienced a “mechanical failure onboard.” Passengers told the media that the ship was proceeding normally and approximately 30 minutes from port when the lights went out power was lost and the ship drifted to a stop approximately five miles from the Irish coast. Tugs from Larne and Belfast were dispatched to pull the ship to port.