ZCZC SA52 NCC-HAMBURG 141100 UTC SEP 26 NAV. WARN. NO. 518 GERMAN BIGHT. NORTHERLY OFFSHORE WINDPARK 'DEUTSCHE BUCHT'. UNDERWATER OPERATION IN PROGRESS BY MV 'KAMARA' CS '9HA4953' IN AREA BETWEEN 54-220N 005-516E UND 54-334N 005-519E RESTRICTED MANOEVRABILITY DURING OPERATIONS. SAFE BERTH REQUESTED. NNNN