ZCZC SA08 NCC-HAMBURG 110400 UTC OCT_ NA . WARN. NO. 576 GERMAN BIGHT. TSS 'TERSCHELLING-GERMAN BIGHT'. UNDERWATER OPS BY MV 'IEVOLI COBALT', CS 'IBOK', AROUND POSITION 53-55,7N 007-10,8E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. NNNN