Notices to Mariners

Australian Notices to Mariners (NtM) are the authority for correcting paper nautical charts and publications published by the Australian Hydrographic Office (AHO).

About Australian Notices to Mariners (AHP18)

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2026
Notice Edition Date
Edition 13: NtM 539 - 578 | 2026
Edition 12: NtM 501 - 538 | 2026
Edition 11: NtM 456 - 500 | 2026
Edition 10: NtM 409 - 455 | 2026
Edition 9: NtM 354 - 408 | 2026
Edition 8: NtM 316 - 353 | 2026
Edition 7: NtM 267 - 315 | 2026
Edition 6: NtM 227 - 266 | 2026
Edition 5: NtM 179 - 226 | 2026
Edition 4: NtM 134 - 178 | 2026
Edition 3: NtM 84 - 133 | 2026
Edition 2: NtM 39 - 83 | 2026
Edition 1: NtM 1 - 38 | 2026
2025
Notice Edition Date
Edition 25: NtM 1059 - 1093 | 2025
Edition 24: NtM 1012 - 1058 | 2025
Edition 23: NtM 964 - 1011 | 2025
Edition 22: NtM 930 - 963 | 2025
Edition 21: NtM 895 - 929 | 2025
Edition 20: NtM 848 - 894 | 2025
Edition 19: NtM 806 - 847 | 2025
Edition 18: NtM 769 - 805 | 2025
Edition 17: NtM 725 - 768 | 2025
Edition 16: NtM 688 - 724 | 2025