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
Caloundra Lighthouses garden bed at the southern end. A sandstone block in this garden displays a plaque containing historical information about the lighthouses. To the east of the garden bed is a boulder set in a round concrete footing with a memorial plaque dedicated to World War II servicemen attached (erected 1991). With the exception of the memorial, none of the remainder of these elements is considered to be of state-level cultural heritage significance. It is the extent of the largely undeveloped site (part of the original lighthouse reserve) that is significant, rather than the elements that comprise the park. Caloundra Lighthouses