ZCZC SA94 NCC-HAMBURG 091230 UTC APR 26 NAV. WARN. NO. 211 GERMAN BIGHT. SOUTHERLY WEISSE BANK. UNDERWATER OPERATIONS BY MV 'FUGRO QUEST' CS 'C6FO2' AROUND POSITION 54-421N 006-142E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 500 METERS REQUESTED. NNNN