ZCZC SA81 NCC-HAMBURG 171000 UTC MAY 26 NAV. WARN. NO. 304 GERMAN BIGHT. NORTHERLY WEISSE BANK. SURVEY OPERATIONS IN PROGRESS BY MV 'FUGRO DISCOVERY' RZ '3EKE6' 55-011N 005-579E 55-138N 006-101E 55-107N 006-201E UND 54-587N 006-073E. RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 1 NM REQUESTED. NNNN