ZCZC QW91 110640 UTC NOV 26 *SPLIT RADIO NAVWNG.: 406/2026 NORTHERN ADRIATIC CHART: 100-16 UNTIL FURTHER NOTICE M/V MICOPERI TRENTA CONDUCTING WORKS ON POSITION 45-037N 013-076E (WGS84). NAVIGATION IN RADIUS 2 MILES FROM POSITION PROHIBITED. NNNN