ZCZC FA99
241500 UTC AUG
FINNISH NAV WARN 447/26.
GULF OF FINLAND.
UNDERWATER SURVEY OPERATIONS IN PROGRESS
BY RESEARCH VESSEL KAIKU CALL SIGN OJAL
OPERATING IN VICINITY OF LINE JOINING:
60-00.5N 023-58.0E
59-54.5N 024-06.0E
59-47.3N 024-01.6E
59-40.6N 024-04.4E
59-23.6N 024-06.2E
VESSELS ARE REQUESTED TO KEEP A MINIMUM
DISTANCE OF 0.5 NM FROM KAIKU.
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