ZCZC FA54 230900 UTC JUL 26 PETERSBURG NAV WARN 151/26 EASTERN GULF OF FINLAND SHIPS EXERCISES 312100 UTC JUL THRU 312100 UTC AUG IN AREA TEMPORARILY DANGEROUS TO SHIPPING KR-105 60-08.50N 029-00.00E 60-08.50N 029-15.00E 60-03.50N 029-15.00E 60-03.50N 029-00.00E CANCEL THIS MESSAGE 312200 UTC AUG NNNN