ZCZC SA46 NCC-HAMBURG 100550 UTC SEP 26 NAV. WARN. NO. 509 OSTFRIESISCHE INSELN. NOERDLICH NORDERNEY. AMMUNITION FOUND IN APPROX. POSITION 53-467N 007-099E 53-472N 007-076E ANCHORING AND FISHING PROHIBITED IN A RADIUS OF 500M ABOUT POSITION.. NNNN