M365-25(T) River Derwent – Princes Wharf 4 – RV Investigator
Mariners are advised that underwater diving operations will be conducted at Princes Wharf 4 on the RV Investigator from 29 November 2025 to 5 December 2025.
Mariners are requested to proceed at a slow speed with minimal wake while passing RV Investigator and be advised divers will be in the water when RY and A flags displayed.