Notices to Mariners

2018-04-Corlis Point Upgrade of Leading Lights

04 - 2018

Issue Date: Thursday 1 March 2018

Aid: Corlis Point

Area: West Coast

The Commissioners of Irish Lights hereby give notice that on 10 May 2018, or as soon thereafter as circumstances permit, the present Leading Lights will be replaced with new LED lights. The character will be changed from Occulting to Isophase and synchronised.
LEADING LIGHTS 046.42°(T)
The character, phasing, range, and lighting times of the existing and new lights are as follows:

Existing

	Front Leading Light	Rear Leading Light
Name:	Corlis Point (Front)	Corlis Point (Rear) Querrin Quay
Position:	52° 37.100 'N 09° 36.363 'W	52° 37.693 'N 09° 35.336 'W
Character:	Occulting W. 5 secs (fl 4, ec 1)	Occulting W. 5 secs (fl 4, ec 1)
Range:	7nM (Day), 10nM (Night)	7nM (Day), 10nM (Night)
Height above MHWS:	9m	28m
Structure:	Concrete Hut	Lattice Mast
Lighting Time:	Continuous	Continuous

New

	Front Leading Light	Rear Leading Light
Name:	Corlis Point (Front)	Corlis Point (Rear) Querrin Quay
Position:	52° 37.100 'N 09° 36.363 'W	52° 37.693 'N 09° 35.336 'W
Character:	Isophase W. 4 secs (fl 2, ec 2)	Isophase W. 4 secs (fl 2, ec 2)
Range:	7nM (Day), 10nM (Night)	7nM (Day), 10nM (Night)
Height above MHWS:	9m	28m
Structure:	Concrete Hut	Lattice Mast
Lighting Time:	Continuous	Continuous

Leading up to the changeover date, there will be periods when one or both of the Leading Lights are unreliable. Radio Navigation Warnings will be issued to inform mariners of test operations of these new lights prior to establishment and character change as per this notice.

By Order, Yvonne Shields, Chief Executive