ZCZC SA74 NAVTEX-HAMBURG (NCC) 240315 UTC JUL 26 NAV. WARN. NO. 422 GERMAN BIGHT. EAST OF OFFSHORE WINDPARK 'MERKUR'. UXO SURVEY AND CLEARANCE BY MV 'SEATERRA ACHIEVER', CS 'E6BU3', IN POSITION 54-01,7N 006-40,3E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 2 NM REQUESTED. NNNN