M212-25 River Tamar –  Newmans Bay – Autonomous Underwater Vehicle Deployment Mariners are advised that an untethered autonomous underwater vehicle (AUV) will be deployed in the Batman Bridge Autonomous Operations Area between 0900 and 1700 on Tuesday, 20 May 2025. The AUV will conduct a series of manoeuvres below the water surface within the deployment…

M211-25 River Derwent – Shag Bay –  Training Exercise – Flare Deployment Mariners are advised that a vessel will be conducting safety training drills today, 16 May 2025, in the vicinity of Lindisfarne and Shag Bay on the River Derwent. As part of the exercise, hand-held flares will be deployed from a vessel in Shag…

M210-25 Port of Devonport – Remediation Works Berth 1 West Mariners are advised that remediation works at Berth 1 West, Port of Devonport, are ongoing, using vessels EDI and Constructor 3. The works are occurring underneath and above Berth 1 and include diving works. The works crew will maintain a listening watch on VHF 14…