ZCZC DA07 141135 UTC SEP 26ISTANBUL TURK RADIONAVTEX N/W NR:0900/26SEA OF MARMARA1. HYDROGRAPHIC SURVEY BY TCG*CUBUKLU BETWEAN14 SEP - 02 OCT 26 IN AREA BOUNDE**BY:40 4**P* N 027*WYMOY E41 47.86 N 028 00.91 E40 41.05 N 028 01.04 E40 41.*Q N 027 38.40 E40 38.75 N 027 27.21 EWI*E BERTH RE*UESTED.2. CANCEL THIS *ESSAGE 022059Z OCT *WYC NNNN