ZCZC SA74 NCC-HAMBURG 131815 UTC MAI 26 NAV. WAR__NO. 298 GERMAN BIGHT. TSS TERSCHELLING-GERMAN BIGHT UNDERWATER OPERATIONS BY MV 'VOS GORGEOUS', CS '2HEN8'. CROSSING TSS DURING THE UNDERWATER WORKS BETWEEN POSITION 53-48,3N 007-02,1E AND 53-57,0N 006-57,1E. 500 M BERTH REQUESTED. NNNN