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SM U-104
Career (German Empire)
Name: SM U-104
Ordered: 15 September 1915
Builder: AG Weser, Bremen
Laid down: 4 August 1916
Launched: 3 July 1917
Commissioned: 12 August 1917
Fate: Depth-charged and sunk 25 April 1918. 41 dead, 1 survivor.
General characteristics
Class & type: German Type U 57 submarine
Displacement: 808 tons (surfaced)
946 tons (submerged)
1160 tons (total)
Length: 70.60 m (overall)
55.55 m (pressure hull)
Beam: 6.30 m (overall)
4.15 m (pressure hull)
Draught: 4.02 m
Propulsion: 2400 hp (surfaced)
1200 hp (submerged)
Speed: 16.8 knots (surfaced)
9.1 knots (submerged)
Range: 11,220 miles (surfaced) 56 miles (submerged)
Complement: 39 men
Armament: 16 torpedoes (4/2 in bow/stern tubes)
105mm deck gun with 220 rounds
88mm deck gun
Service record
Part of: Kaiserliche Marine:
Commanders: Kurt Bernis
Operations: 4
Victories: 8 ships sunk for a total of 10.795 tons

SM U-104 was a German Type U 57 U-boat during the First World War. U-104 was built at AG Weser in Bremen, launched on 3 July 1917 and commissioned on 12 August 1917. She completed four patrols under commander Kurt Bernis and was responsible for the sinking of eight vessels of a total of 10.795 gross register tons (GRT). Among these was the American lightship LV 71, stationed at Diamond Shoals; the latter reported the submarine's presence in the area, at which point Bernis notified the lightship of his intentions and allowed her crew to depart before shelling the vessel and sinking her.[1]

Loss

On 25 April 1918 the U-104 was engaged by USS Cushing in St. George's Channel and severely damaged. Later the same day HMS Jessamine came upon her and dropped further depth-charges, sinking her and leaving but a single survivor of her 42-member crew. The wreckage lies at position 51°59′N 6°26′W / 51.983°N 6.433°W / 51.983; -6.433Coordinates: 51°59′N 6°26′W / 51.983°N 6.433°W / 51.983; -6.433.

See also

Notes


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