ZCZC FA58 261305 UTC MAY PETERSBURG NAV WARN 100/26 EASTERN GULF OF FINLAND 1. SHIPS EXERCISES 312100 UTC MAY THRU 302100 UTC JUN IN AREA TEMPORARILY DANGEROUS TO SHIPPING KR-107 60-10.30N 028-45.70E 60-10.30N 028-54.60E 60-04.00N 028-54.60E 60-04.00N 028-34.00E 60-07.00N 028-34.00E 2. CANCEL THIS MESSAGE 302200 UTC JUN NNNN