Casquets lighthouses permanently discontinued from 11 May 2011. The South West Tower is topped with a helipad and there is another helipad on a flat section of the rock. The rocks are also marked using racon with a Morse letter T on radar displays. The lighthouse complex was automated in 1990 and is monitored and controlled from the Trinity House Operations Control Centre in Harwich. <br> Casquets lighthouses Casquets Lighthouse is an active lighthouse located on the rocky Les Casquets, Alderney, Channel Islands. Casquets Lighthouse is the latest in a series of three lights on Les Casquets. The first lighthouses started operation
Lighthouses on the Isle of Arran since. The light Fl(2)20s38m25M. Lighthouses on the Isle of Arran Three lighthouses can be found around the shores of the island of Arran in the Firth of Clyde. One is located on the Isle of Pladda in the South and the other two can be found on Holy Isle in Lamlash Bay to the East of Arran. All three are still in service and maintained by the Northern Lighthouse Board. They are now fully automatic since the electrification of both lighthouses on Holy Isle in 1977. Until up to the appointment of the Commissioners of the Northern Lighthouses (later Northern