Notices to Mariners

Reduction in Range of Red Sectors

09 - 2014

Issue Date: Wednesday 26 July 2017

Aid: Roches Point Lighthouse

Area: South Coast of Ireland

The Commissioners of Irish Lights hereby give notice that on the 18 October 2017, or as soon thereafter as circumstances permit, the present light will be replaced with a new LED light. At the same time the red sector range will be reduced in range to 12 nautical miles. All other details remain unchanged.
The character, phasing, range, and lighting times of the existing and new light are as follows:

	Existing Light	New Light
Position	Latitude:  51° 47.586 ’N Longitude: 08° 15.287 ’W	Latitude:  51° 47.586 ’N Longitude: 08° 15.287 ’W
Character	Fl WR 3s 1.0 + 2.0 = 3.0s	Fl WR 3s 1.0 + 2.0 = 3.0s
Range	W 18 Nautical Miles R 14 Nautical Miles	W18 Nautical Miles R 12 Nautical Miles
Arc of Visibility	R 266° - 292° (26°) W 292° - 016° (84°) R 016° - 033° (17°) W 033° - 159° (126°o) R 159° - 206° (47°)	R 266° - 292° (26°) W 292° - 016° (84°) R 016° - 033° (17°) W 033° - 159° (126°) R 159° - 206° (47°)
Displayed	Hours of darkness only	Hours of darkness only

Radio Navigation Warnings will be issued when the above changes take place.

By Order, Yvonne Shields Chief Executive