ZCZC SA80 NAVTEX-HAMBURG (NCC) 010130 UTC OCT 26 NAV. WARN. NO. 550 GERMAN BIGHT. TSS 'TERSCHELLING-GERMAN BIGHT'. DIVING OPS BY MV 'SEATERRA ACHIEVER' CS 'E6BU3' AROUND POSITION 53-5757N 006-4930E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. NNNN