ZCZC SA79 NCC-HAMBURG 170330 UTC MAI 26 NAV. WARN. NO. 302 GERMAN BIGHT. NORTHWOSTERLY OWF 'BARD OFFSHORE 1'. UXO SURVEY BY MV 'OCEAN RESEARCHER' CS 'GDLS' AROUND POSITION 5-233N 005-542E RESTRICTED MANOEUVRABILITY DURING OPERATIONS. SAFE BEFTH OF 1 NM REQUESTED. NNNN