HMS Hever Castle (K521) depth on the fuses of the projectiles until the moment of firing. A single Squid-launched attack had a success rate of 25%. The class was also provided with HF/DF and Type 277 radar. "Hever Castle" was ordered on 23 January 1943. The ship, named for Hever Castle in Hever, Kent, was laid down on 29 June 1943 and launched on 24 February 1944. At some point in 1943, the ship was transferred to the Royal Canadian Navy. The corvette, renamed "Copper Cliff" after a suburb of Sudbury, Ontario, was commissioned into the Royal Canadian Navy on 25 February 1944 with
Irene Astor, Baroness Astor of Hever Irene Astor, Baroness Astor of Hever Irene Astor, Baroness Astor of Hever (7 October 1919 – 12 August 2001) was an English philanthropist and member of the Astor family. Her philanthropic contributions included being chairman of the Sunshine Fund for Blind Children from 1947 to 1989, during which she raised over £14 million and she served as vice president of the Royal National Institute for the Blind from 1977 to her death in 2001. Lady Astor was born Lady Irene Violet Freesia Janet Augusta Haig on 7 October 1919 (in fact, her father was created Earl Haig when she was