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 in Chile Siemsen was appointed chief of the "Servicio de Faros". He built the "Faro Corona" in Ancud, "Punta Caldera" in Atacama, "Punta Tortugas" in Coquimbo, "Isla Quiriquina" in Quiriquina, "Punta Galera" and "Punta Niebla" in Corral. The first lighthouses in Chile used colza oil as fuel, but in 1878 it was replaced by Bunsen burners. George Slight designed and built in the 1890s more than 70 of today's historic lighthouses of Chile. He was a Scottish engineer who moved to Chile and eventually became the head of the Chilean Maritime Signaling Service. As of 2013, the National Geospatial-Intelligence Agency (NGA) lists