ZCZC SA98 NCC-HAMBURG 131900 UTC AUG 26 NAV. WARN. NO. 450 GERMAN BIGHT. TSS 'TERSCHELLING-GERMAN BIGHT'. PIPELINE INSPECTION WORKS BY MV 'NORTHERN GALE', CS 'MAKS5' INSIDE TSS 'TERSCHELLING-GERMAN BIGHT' BETWEEN FOLLOWING POSITIONS 53-50,6N 007-13,8E, 53-57,3N 007-01,0E, 53-58,6N 007-10,4E AND 53-51,2N 007-18,0E. RESTRICTED MANOEUVRABILITY DURING OPERATIONS. BERT_ OF 0,5 NM REQUESTED. NNNN