M276-26(T) D’Entrecasteaux Channel, Tower Bay – Mooring Works
Mariners are advised that scientific research at the IMAS Scientific Research Permit site at Tower Bay in the lower D’Entrecasteaux Channel has been extended until Friday, 30 July 2027. The permit area is marked with IALA Special Marks at the coordinates shown below.
| Corner marker location | Degrees, minutes decimal WGS 84 | |
| Latitude | Longitude | |
| 1. Unlit special mark | 43 23.275’S | 147 02.051’E |
| 2. Lit special mark (2nm) | 43 23.375’S | 147 02.344’E |
| 3. Lit special mark (2nm) | 43 23.458’S | 147 02.270’E |
| 4. Unlit special mark | 43 23.360’S | 147 01.982’E |
Mariners should navigate with caution in the area.
M178-21(T) is cancelled.