ZCZC FA57 280548 UTC SEP BALTIC SEA NAV WARN 029/26 NAVAL EXERCISES (WITHOUT FIRINGS) 022100 TO 102100 OCT UTC IN AREA DANGEROUS TO NAVIGATION BOUNDED BY: 57-37.5N 020-05.6E 57-27.1N 020-35.5E 56-54.0N 019-56.1E 57-04.9N 019-25.9E. NNNN