NAOMH CARTHA Working on Lough Swilly with the new owners of the Naomh Cartha, Passenger boat Naomh Cartha in the marina in Fahan. Reviewing and recording details of the on-board safety equipment as they prepare for their passenger boat for its new area of operation in and around Lough Swilly. The sun setting on Lough Swilly at the end of the day.