ZCZC FA06 261354 UTC AUG PETERSBURG NAV WARN 174/26 EASTERN GULF OF FINLAND. SHIPS EXERCISES 312100 UTC AUG THRU 302100 UTC SEP AREA TEMPORARILY DANGEROUS TO SHIPPING KR-107: 60-10.3N 028-45.7E 60-10.3N 028-54.6E 60-04.0N 028-54.6E 60-04.0N 028-34.0E 60-07.0N 028-34.0E CANCEL THIS MSG 302200 UTC SEP. NNNN