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Metocean Buoy Deployments - Ossian Offshore Wind Farm

Partrac Ltd. deployed FLS200 Floating LiDAR buoys at two sites (Site 1 and Site 3) within the Ossian Floating Offshore Wind Farm off the East coast of Scotland in August 2022. Both LiDAR buoys will be deployed until January 2025, and maintenance visits are undertaken every 3-6 months.

The floating LiDAR buoys deployed at sites 1 and 3 record meteorological data and are anchored to the seabed by means of a mooring chain and a ground weight. The buoy has dimensions of 4m x 4m, and when deployed the tallest mast on the buoy sits approx. 4m above the water line. The lantern has a flash sequence Fl (5) Y 20s. Please maintain a 500m exclusion around each buoy.

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Unmanned Surface Vessel(USV) - Scarborough and Grimsby

Activity: Operations of remotely piloted Uncrewed Surface Vessels (USVs) are planned out of Scarborough and Grimsby commencing mid-late May, continuing until end of June 2024. The vessels will be engaged in geophysical survey activities associated in the North Sea.

Dates: Operations will take place subject to weather and other operational factors from 24 May 2024 until the end of June 2024. A support vessel will escort the USVs from the active ports to clear water. It is anticipated that up to 4 USVs will be operational at any one time.

 

Although the vessel is uncrewed, it is crewed throughout the 24 hour operation, piloted remotely using 360 degree cameras and other navigational aids.

 

In addition to the survey area, the USVs will transit from one of the named ports above to site.

 

Fisheries Liaison for this survey will be co-ordinated by Natural Power. All commercial fishery queries, should be directed to Peter Berney or Hollie Maven; Mobile T: 07391402387 / Email: Ossian.FLO@naturalpower.com. XOCEAN will not be requesting fishing gear clearance at this time.

 

The USV’s will operate around all fishing activities. Up to two vessels will be operating towed equipment to gather data on the seabed. The vessels will be restricted in their ability to manoeuvre, and mariners are advised to maintain a safe distance of 500m.

 

The USV sends real time images and situational awareness data over satellite to a team of operators keeping watch and controlling the vessel remotely 24/7. Safety Precautions: The USV is equipped with the following to make it conspicuous to other marine traffic:

 AIS

 VHF

 Navigation Lights & Sound Signal

 Active Radar Reflector

 Superstructure Painted Yellow

 

Seafarers are asked to avoid contact with the vessel and be aware of the operational area during this period

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