ZCZC FA36
131551 UTC JUL
FINNISH NAV WARN 354/26.
NORTHERN BALTIC.
UNDERWATER DIVING OPERATIONS IN
PROGRESS BY SEVERAL WORKING VESSELS
IN VICINITY OF 59-26.0N 021-04.5E.
MARINERS ARE REQUESTED TO KEEP A
MINIMUM DISTANCE OF 1.4 NM FROM
WORKING VESSELS AND AVOID SWELL.
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