M214-23(T) – River Derwent – Blackmans Bay – Kelp Research Area – Amended
Mariners are advised that the Institute of Marine & Antarctic Studies (IMAS) will be installing sub-tidal longlines for the purposes of a kelp research project south of Blackmans Bay, commencing 25 May 2023 for approximately a 12 month period.
IALA yellow special markers (lit) will be moved to the co-ordinates shown below and remain in place for the duration of the project.
| Corner marker location | Degrees, minutes decimal WGS 84 | ||
| Latitude | Longitude | Light sequence | |
| 1 | 43° 1.0369′ | 147° 20.2345′ | VQ |
| 2 | 43° 1.0369′ | 147° 20.3058′ | Oc |
| 3 | 43° 1.2356′ | 147° 20.3053′ | Oc |
| 4 | 43° 1.2351′ | 147° 20.2346′ | VQ |
Mariners should navigate with caution in the area.