ZCZC SA88 NCC-HAMBURG 071845 UTC AUG 26 NAV. WARN. NO. 438 GERMAN BIGHT. EAST OF OFFSHORE WINDPARK 'MERKUR'. UXO SURVEY AND CLEARANCE BY MV 'SEATERRA ACHIEVER', CS 'E6BU3', IN POSITION 53-58,5N 006-42,9E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. NNNN