ZCZC FA12 252304 UTC APR PETERSBURG NAV WARN 073/26 EASTERN GULF OF FINLAND SHIPS EXERCISES 302100 UTC APR - 312100 UTC MAY IN AREA TEMPORARILY DANGEROUS TO SHIPPING KR-114 60-06.30N 027-02.60E 60-07.50N 027-07.50E 60-03.60N 027-11.50E 60-02.20N 027-06.50E CANCEL THIS MSG 312200 UTC MAY NNNN