ZCZC JA15 310851 UTC MAY 26 VARNA RADIO NAVWARN 346/26 BALCHIK - CAPE KALIA**A. REGATTA BALCHIK WILL BE HELD AS FOLLOWS: FM 0900 TO 1400 UTC ON 04 05 AND 07.06.202* IN REGION: 43 239N 028 096E 43 239N 028 105E 43 236N 028 105E 43 236N 028 096E PROHIBITED FOR NAVIGATIO*. FM 0900 TO 1400 UTC ON 06.06.2026 - RACE BY*ROUTE: BALCH*K - CAPE KALIAKRA - BALCHIK. SEAFARERS*TO NAVIGATE WITH INCREASED CAUTION. NNNN