ZCZC OA59 RISH SEA. TSS IN LIVERPOOL BAY. SURVEY OPERATIONS IN PROGRESS BY M/V ARGYLL EXPLORER IN AREA BOUND BY 53-34.7_, 003-35.7W, 53-34.7N 003-27.7W, 5_.0N 003-27.7W, 53-33.7N 003-33.2W, 53-29.8N 003-34.2W, 53-29.8N 003-35.7W. NNNN