ZCZC SA68 NCC-HAMBURG 250930 UTC SEP 26 NAV. WARN. NO. 536 GERMAN BIGHT. TSS 'TERSCHELLING-GERMAN BIGHT'. DIVING OPS BY MV 'SEATERRA ACHIEVER' CS 'E6BU3' AROUND POSITION 53-4667N 007-1099E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. CANCEL NAV. WARN. NO. 531 NNNN