ZCZC TA72 210918 UTC JUL OOSTENDERADIO MSI 291/26 BE EEZ UNDERWATER WORKS BY M/V NSEA PATHFINDER CALLSIGN PBYNBETWEEN FOLLOWING COORDINATES : 5119.56'N 0038.99'E 5120.23'N 00255.52'E 5120.70'N 00250.81'E 5131.79'N 00230.03'E SHIPPING IS REQUESTED TO PASS AT A SAFE DISTANCE OF 500 METRES NSEA PATHFINDER IS LISTENING ON CH 16 AND 65 NNNN