ZCZC SA05 NCC-HAMBURG 281400 UTC APR 26 NAV. WARN. NO. 328 GERMAN BIGHT NORTH OF OW_ 'GLOBAL TECH 1'. SURVEY OPP_H_ IN _ESS BY MV _9 9:3-, 8', CS 'LXAJ2' BETWEEN THE POSITIONS _4_0N 006-33,0E 54-39,0N 005-42,0E 54-35,0N 005-42,0E 54-35,0N 006-33,0E VESSEL TOWING MEASURING INSTRUMENTS. RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 0.5 NAUTICAL MILE REQUESTED. NNNN