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
Apostle Islands Lighthouses lighthouses of the Apostle Islands in 2013. Apostle Islands Lighthouses There are several historic lighthouses on Lake Superior on or near the Apostle Islands in Wisconsin. Six of these lighthouses, all in the Apostle Islands National Lakeshore, were listed as a group on the National Register of Historic Places in 1977 under the name Apostle Islands Lighthouses. The lighthouses are generally located at the edge of the group of islands, as beacons to guide shipping through and around the islands. The need for guidance increased in 1855 when the Soo Locks opened, connecting Lake Superior to the St. Lawrence Seaway