ZCZC TA50 230650 UTC JUN 26 OOSTENDERAWFZM_JF__XWY BE EEZ LARGE TOW OF CAISSON BY TUGS VB TIGER, VB GINGER, MULTRATUG 20 AND MULTRATUG 29 DEPARTS FLUSHING ETD 230745 UTC JUN 26 NAAR 51-31,7N 002-29,9E ETA 232145 UTXM_C_ _IA VG2 BOEILENGTH OF TOW 170 M NNNN