ZCZC SA56 NAVTEX-HAMBURG (NCC) 122200 UTC JUL 26 NAV. WARN. NO. 401 GERMAN BIGHT NORTH OF OFFSHORE-WINDPARK 'BARD 1'. SURVEY OPERATIONS IN PROGRESS BY MV 'GEO OCEAN 3' CS 'LXGP' WITHIN A RADIUS OF APPROX. 3 NM AROUND POSITION 54-258N 005-475E VESSEL TOWING MEASURING INSTRUMENTS. RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 500M REQUESTED. CANCEL NAV. WARN. NO. 392. NNNN