were preceded by the shorter Type VIIB submarines. U-584 had a displacement of when at the surface and while submerged. She had a total length of, a pressure hull length of, a beam of, a height of, and a draught of. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two Brown, Boveri & Cie GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to. The submarine had a maximum surface speed of and a maximum submerged speed of. When submerged, the boat could operate for at ; when surfaced, she could travel at. U-584 was fitted with five torpedo tubes, fourteen torpedoes, one SK C/35 naval gun, 220 rounds, and a C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.
Service history
The boat's career began with training at 5th U-boat Flotilla on 21 August 1941, followed by active service on 1 December 1941 as part of the 1st Flotilla for the remainder of her service. In 10 patrols she sank three merchant ships, for a total of and one warship of 206 tons. Built as HINDANGER at Sir W. G. Armstrong Whitworth & Co. Ltd, Low Walker, Newcastle, England for Westfal-Larsen & Co. A/S, Bergen. Launched 23/07, delivered in October. Torpedoed 11/09 by the German submarine U-584 in position 49.32N-32.21W whilst on a voyage from Liverpool, England to New York, NY, USA in ballast. 1 man died. The 40 survivors was taken up by HMCS AMHERST who tried to sink the wreck by gunfire and a depth charge. Sunk 12/09 with torpedoes by the German submarine U-608. https://skipshistorie.net/Tramp%20og%20linje/Tekster/LTK00119290900000%20HINDANGER.htm
US Saboteur Landing
On 25 May 1942, the boat departed Brest, France for a special mission as part of Operation Pastorius. On 18 June, she landed a 4-man saboteur team just south of Jacksonville, Florida. This was one of two teams landed within a week of each other on the US east coast; the other team came aboard. The boat then returned safely to Brest on 22 July.
U-584 was sunk on 31 October 1943 in the North Atlantic in position, by depth charges from US Avenger aircraft operating from escort carrier. All hands were lost.
