ZCZC TA05 041420 UTC SEP OOSTENDERADIO MSI 319/26 TERRITORIAL SEA OOSTDYCK ANCHORAGE M/V FATMA DENIZ CALLSIGN 3FLB8 ANCHOR AND 4 SHACKLES CHAIN LOST IN POS 51-197N 002-374E PROHIBITED TO ANCHOR AND KEEP A DISTANCE OF 2 CABLES. NNNN