The Commissioners of Irish Lights hereby give notice that they intend to replace the present propane light at Lower Rosses Lighthouse with a new electric light with increased range. To facilitate the replacement of the existing light, a temporary light with reduced range will be exhibited for approximately two months commencing on the 31st August 1999.
On or about the 26th October 1999, or as soon thereafter as circumstances permit, a new electric powered light with increased range will be exhibited.
The character, phasing, and ranges of the existing, temporary, and new electric lights are as follows:
EXISTING LIGHT

Character	Fl (2) WRG 10 secs 1 + 1 + 1 + 7 = 10 secs
Range:	White: 10 nautical miles Red: 8 nautical miles Green: 8 nautical miles
Sectors:	Green: Bungar Bank - 066° White: 066° - 070° (4°) Red: 070° - over Drumcliff Bar
Height above MHWS:	8 metres
Lighting Time:	24 hours

TEMPORARY LIGHT

Character	Fl (2) WRG 10 secs 1 + 1 + 1 + 7 = 10 secs
Range:	White: 9 nautical miles Red: 6 nautical miles Green: 6 nautical miles
Sectors:	Green: Bungar Bank - 066° White: 066° - 070° (4°) Red: 070° - over Drumcliff Bar
Height above MHWS:	6 metres
Lighting Time:	24 hours

NEW ELECTRIC MAINS POWERED LIGHT

Character	Fl (2) WRG 10 secs 1 + 1 + 1 + 7 = 10 secs
Range:	White: 13 nautical miles Red: 10 nautical miles Green: 10 nautical miles
Sectors:	Green: Bungar Bank - 066° White: 066° - 070° (4°) Red: 070° - over Drumcliff Bar
Height above MHWS:	8 metres
Lighting Time:	24 hours

The geographical position of Lower Rosses Lighthouse (A6236) is:

54° 19.71' N

08° 34.36' W

Radio Navigational Warnings will be issued on the establishment of the temporary light and on the commencement of the new electric mains powered light.