ZCZC JA12 240813 UTC JUL 26 VARNA RADIO NAVWARN 499/26 EAST OF CAPE KOLOKITA AT 0730 UTC ON 24.07.2026 AT A POINT WITH COORDINATES:42 24.562N 027 40.218E AN OBJECT RESEMBLING A PIPE WITH A LENGTH OF 6 METERS WAS SPOTTED. IT IS DANGEROUS FOR NAVIGATION. ALL SHIPS TO NAVIGATE WITH CAUTION. NNNN