M178-21(T) D’Entrecasteaux Channel, Tower Bay – Mooring Works

M178-21 (T) D’Entrecasteaux Channel, Tower Bay – Scientific Research

Mariners are advised that scientific research will be continued at the IMAS Scientific Research Permit site at Tower Bay in the lower D’Entrecasteaux Channel.  The permit area is marked with IALA special marks at the co-ordinates 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 transit with care and for the duration of the works.

M098-20 is cancelled.