ZCZC FA94 150701 UTC AUG ESTONIAN NAV WARN 132/26 GULF OF FINLAND NE OF OSMUSSAAR ISLAND. 180700-181300 UTC AUG FIRING PRACTICE AREA 1A CENTRED 59-22N 023-33E FIRING EXERCISES IN PROGRESS OTHER VESSELS MUST AVOID ENTRY INTO THE AREA STANDING BY VHF CH 16 AND 61 CANCEL 181300 UTC AUG NNNN