ZCZC SA11 NCC-HAMBURG 220620 UTC APR 26 NAV. WARN. NO. 229 GERMAN BIGHT. WEISSE BANK. UNDERWATER OPERATIONS BY MV 'FUGRO ZEPHYR' CS 'C6HS5' AROUND POSITION 54-446N 006-101E RESTRICTED MANOEVRABILITY DURING OPERATIONS BERTH OF 1 NM REQUESTED. NNNN