3 of 2025
Survey of the Main Entrance Channel
Mariners are advised that beginning on or around Wednesday 23rd of April 2025 for
approximately 1 day, the survey vessel 'RELENTLESS' will be carrying out a survey of the
Main Entrance channel
The vessels will display lights and shapes in accordance with the International
regulations for the prevention of collisions at sea, and will maintain a listening watch on
VHF channels 16 & 77.
