ZCZC FA96 260857 UTC OCT ESTONIAN NAV WARN 180/26 GULF OF FINLAND 290800-291500 UTC OCT W OF NAISSAAR ISLAND FIRING PRACTICGMYPM_ CENTRED 59-35N 024-19E FIRING EXERCISES IN PROGRESS OTHER VESSELS MUST AVOID EN _Y INTO THE AREA STANDI__ VHF CH 13 AND 61 CANCEL 291500 UTC OCT NNNN