1. MARINERS ARE HEREBY ADVISED that, commencing 29th June for approx. 1 month, rock installation and survey operations will be taking place along the route of the Greenlink Interconnector cable across Port Limits (see chartlet).

  2. Rock installation operations will be carried out by vessel ‘Simon Stevin’ within Port Limits.
  3. SIMON STEVIN (IMO: 9464807, Call sign: LXUB, MMSI: 253309000) is a DP2 offshore Subsea rock installation vessel. Her length overall (LOA) is 191.5 metres and her width is 40.0 metres.  
  4. There may be several small Crew Transfer Vessels and Guard Vessels operating in connection with these operations.
  5. All vessels will maintain a listening watch at all times on VHF Channels 12 & 16 and will be showing the appropriate day shapes and lights as laid down in the Collision Regulations when restricted in ability to manoeuvre.
  6. Mariners are required to navigate with caution in these areas whilst operations are taking place, to pass by with minimum wake and observe the 500m exclusion zones guarding their operations.
  7. For further details of the location and status of this vessel whilst within Port Limits, please contact Milford Haven VTS on:
    1. VHF channel 12
    2. Telephone 01646 696100
    3. Email vts@mhpa.co.uk
  8. Admiralty Charts 2878, 3273, 3274, Imray Y26 & 2600 ATLAS refer.
  9. A further notice will be issued when works are complete.


Port of Milford Haven
Gorsewood Drive
Milford Haven
SA73 3EP

Tel: 01646 696100
Email: enquiries@mhpa.co.uk