ZCZC JA96 252308 UTC APR KALININGRAD NAV WARN 083/26 SOUTHEASTERN BALTIC SHIPS EXERCISES 302100 UTC APR -312100 UTC MAY IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-117 55-54.00N 019-03.00E 55-30.00N 020-15.00E 55-04.00N 020-15.00E 54-57.50N 020-06.00E 54-57.50N 019-55.00E 54-50.00N 019-50.00E 54-50.00N 019-25.00E CANCEL THIS MSG 312200 UTC MAY NNNN