 13 Macdonald galleys were sunk and another 12 or 13 were destroyed or captured off Copeland Island, at the entrance to Belfast Lough.The same year, and likely as part of this operation, Donald and John Og MacIain of Ardnamurchan sailed for Ulster at the head of 2,000 men.The fleet of galleys sheltered for the night off the Sound of Mull, possibly at Calve Island near Tobermory.