ZCZC FA84
180500 UTC APR
ESTONIAN NAV WARN 55/2026.
GULF OF FINLAND.
210500-211600 UTC APR
230300-230800 UTC APR
NE OF OSMUSSAAR ISLAND
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 230800 UTC APR.
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