German submarine U-525

German submarine U-525 was a Type IXC/40 U-boat of the Nazi German Kriegsmarine built for service during World War II.

Her keel was laid down on 10 September 1941 by the Deutsche Werft in Hamburg as 'werk' 340. She was launched on 20 May 1942 and commissioned on 30 July with Korvettenkapitän Hans-Joachim Drewitz in command.

The U-boat's service began with training as part of the 4th U-boat Flotilla on 30 July 1942. She then moved to the 10th flotilla on 1 January 1943 for operations.

She was a member of six wolfpacks.

She carried out three patrols and sank one ship of 3,454 tons.

She was sunk by US aircraft, northwest of the Azores, in August 1943

1st patrol
The submarine's first patrol took her from Kiel on 15 December 1942, across the North Sea and into the Atlantic Ocean through the gap between Iceland and the Faroe Islands. She sank the Radhurst on 22 February 1943. The ship went down in three minutes.

She arrived at Lorient in occupied France, on 3 March.

2nd patrol
Her second foray was relatively uneventful.

3rd patrol and loss
Her third sortie took her north and west of the Azores.

She was sunk by depth charges and aerial torpedoes from Avenger and Wildcat aircraft from the American carrier USS Card on 11 August 1943 northwest of the Azores.

Fifty-four men died; there were no survivors.