ZCZC FA57 261301 UTC MAY PETERSBURG NAV WARN 099/26 EASTERN GULF OF FINLAND 1. SHIPS EXERCISES 312100 UTC MAY THRU 302100 UTC JUN 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 2. CANCEL THIS MESSAGE 302200 UTC JUN NNNN