ZCZC JA94 252308 UTC APR KALININGRAD NAV WARN 081/26 SOUTHEASTERN BALTIC SHIPS EXERCISES 302100 UTC APR -312100 UTC MAY IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-42 55-20.00N 020-08.00E 55-20.00N 020-25.00E 55-07.60N 020-25.00E 55-07.60N 020-08.00E CANCEL THIS MSG 312200 UTC MAY NNNN