Notices to Mariners

Fastnet Reduction in Navigational Light Range

06 - 2018

Issue Date: Monday 30 April 2018

Aid: Fastnet Lighthouse

Area: South

The Commissioners of Irish Lights hereby give notice that on 02 July 2018, or as soon thereafter as circumstances permit, the present light will be replaced with a new, Rotating Light Emitting Diode (LED) light. The range of the light will be reduced to 18 nautical miles.
The present character and phasing will remain unchanged.
The position, character, phasing, range, elevation and hours of operation of the existing and new light are as follows:

	EXISTING LIGHT	NEW LIGHT
Position:	51°23.358'N 009°36.178'W	51°23.358'N 009°36.178'W
Character:	Fl. W. 5s	Fl. W. 5s
Phasing:	(0.1 + 4.9 = 5s)	(0.1 + 4.9 = 5s)
Range:	27 Nautical Miles	18 Nautical Miles
Elevation:	49 metres	53 metres
Hours of Operation:	24 Hours	Hours of Darkness Only

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

By Order, Yvonne Shields, Chief Executive