Military Wiki
SM U-26
Career (German Empire)
Name: U-26
Ordered: 18 March 1911
Builder: Germaniawerft, Kiel
Laid down: 31 May 1912
Launched: 16 October 1913
Commissioned: 20 May 1914
Fate: 30 September 1915 - Lost in Gulf of Finland August/September 1915 for unknown reason. 30 dead (all hands lost).
General characteristics Ocean-going diesel submarine
Class & type: German Type U 23 submarine
Displacement: 685 tons surfaced / 878 submerged
Length: 64.70 m (212.3 ft)
Draft: 3.56 m
Test depth: about 50 m (160 ft)
Armament: 105 mm (4.1 in) deck gun, 300 rounds
four 50 cm (20 in)[1] torpedo tubes (2 bow, 2 stern; 6 torpedoes

SM U-26 was one of the 329 submarines serving in the Imperial German Navy (Kaiserliche Marine) in World War I.

U-26 was engaged in the Naval warfare of World War I in the Baltic Sea. On October 11, 1914, she sank the Russian cruiser Pallada (1906), inflicting the first loss of the war on the Russian navy.

The boat did not return from sea in August 1915 and is assumed to have struck a mine off the coast of Finland, being lost with its entire crew of 30.


  1. Fitzsimons, Bernard, ed. "U-Boats (1905-18)", in The Illustrated Encyclopedia of 20th Century Weapons and Warfare (Phoebus Publishing, 1978), Volume 23, p.2534.

Coordinates: 59°40′N 25°50′E / 59.667°N 25.833°E / 59.667; 25.833

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