Marine Notice No. 38 of 2017 Amended on 12/09/2017

Wednesday, 13 September 2017

Notice to all Shipowners, Fishing Vessel Owners, Agents, Shipmasters, Skippers, Fishers and Seafarers

The Department of Transport, Tourism and Sport have been advised that the Marine Institute are decommissioning the wave energy test site in Galway Bay. The decommissioning will involve the removal of four cardinal marks and the establishment of a new special mark.

The “Chateau Thierry” (Callsign EIHK6) is scheduled to arrive on site between the 11th and 18th September 2017 to install the new Special Mark and remove the four Cardinal Marks. The duration of the operation will be approximately 2 days depending upon weather or other operational conditions. It is anticipated that the decommissioning operation will be completed on or before the 19th September 2017.

The location of the Galway Bay test site is shown in Figure 1 below:

Figure 1: Location of Galway Bay test site.

Decommissioning of Galway Bay Wave Energy Test Site.

Page 2 of 5

The decommissioning operation will involve the removal of a wave monitoring data buoy from the site and the removal of the four existing Cardinal Marks located at the following co-ordinates:
53o 13.906’ N
009o 16.148’ W
53o 13.598’ N
009o 16.151’ W
53o 13.906’ N
00 9o 15.540’ W
53o 13.598’ N
009o 15.543’ W

The decommissioning operation will also involve the establishment of a new Special Mark to denote the presence of the Galway Bay Subsea Observatory on the seabed. The characteristics of the new Special Mark are included in Appendices 1 & 2 and will be deployed at the following coordinates:

53°13.639’ N
009°15.947’ W

The location of the four cardinal marks to be removed and the location of the new special mark are shown in Figure 2 below:
Figure 2: Location of four cardinal marks for removal and new Special Mark location.
The vessel involved will display appropriate lights and markers. The vessel will be broadcasting/listening on VHF Channel 16 during the decommissioning.

Cardinal Marks to be removed

Notices to Mariners providing details of the changes to the aids to navigation including notification of works and impacts on navigation will be issued by Marine Institute.

Radio Navigation Warnings will be issued when the above changes to the aids to navigation take place.
Irish Maritime Administration,

Department of Transport, Tourism and Sport,
Leeson Lane, Dublin 2, D02 TR60, Ireland.

Amended on: 12/09/2017

Encl.: Appendix 1 & Appendix 2

For any technical assistance in relation to this Marine Notice, please contact:

The Marine Survey Office, Leeson Lane, Dublin 2, D02 TR60. tel: +353-(0)1-678 3400.

For general enquiries, please contact the Maritime Safety Policy Division, tel: +353-(0)1-678 3418.
Written enquiries concerning Marine Notices should be addressed to:

Maritime Safety Policy Division, Dept. of Transport, Tourism and Sport, Leeson Lane, Dublin 2, D02TR60 Ireland.
email: [email protected] or visit us at:


Appendix 1: Special Mark Characteristics
Name of Aid:
SmartBay Special Mark Port Area:
Galway Port
(Degrees, minutes and decimals to three places)
53°13.639’ N
Datum Used (tick box)
WGS 84

(Degrees, minutes and decimals to three places)
009°15.947’ W
IRL 65
Type of Aid: e.g. Light, Leading Lights, Buoy
Buoy with Light
IALA Category:
Category 1
Structure and Shape:
Mobilis DB8000 (See Appendix 2)
Colour :
FL Y 8s (fl 1, ec 7)
Range: (in nautical miles)
3-5 NM
Radio Aids / Racon/ AIS :
Fog Signal:
Top Mark:
Yellow St. Andrew’s Cross
Height of light above MHWS:4 m
Dimensions of structure:
(See Appendix 2)
Power Source:
Batteries and Solar Panels
Weight: (Floating aid)
2,800 kg
Mooring Arrangement: (Floating Aid)
Three point mooring consisting of a 2T sinker and 80m of 32mm chain on each leg.
Main Contact:
Marine Institute of Ireland (091-387200)
Local Contact:
Testsite Duty Manager (087-6482641)

Appendix 2: Special Mark specifications (SmartBay Mobilis Buoy

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Last Updated ( Wednesday, 13 September 2017 )