Roches Point Lighthouse Range Reduction

Roches Point Lighthouse Range Reduction

Notices to Mariners

Reduction in Range of Red Sectors

09 - 2014

Issue Date: 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