ZCZC FA05 261348 UTC AUG PETERSBURG NAV WARN 173/26 EASTERN GULF OF FINLAND. SHIPS EXERCISES 312100 UTC AUG THRU 302100 UTC SEP AREA TEMPORARILY DANGEROUS TO SHIPPING KR-105: 60-08.5N 029-00.0E 60-08.5N 029-15.0E 60-03.5N 029-15.0E 60-03.5N 029-00.0E CANCEL THIS MSG 302200 UTC SEP. NNNN