Name UB-90 Builder AG Vulcan, Hamburg Commissioned 21 March 1918 Draft 3.73 m | Ordered 6/8 February 1917 Yard number 106 Launched 12 February 1918 | |
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Cost 3,654,000 German Papiermark | ||
SM UB-90 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 21 March 1918 as SM UB-90.
On 16 October 1918, UB-90 was hit by a torpedo from HMS L12 at 57°55′N 10°27′E and sunk. All 38 crew members died in the event.
Construction
She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 12 February 1918. UB-90 was commissioned early the next year under the command of Oblt.z.S. Gottfried von Mayer. Like all Type UB III submarines, UB-90 carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun. UB-90 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,120 nautical miles (13,190 km; 8,190 mi). UB-90 had a displacement of 510 t (500 long tons) while surfaced and 640 t (630 long tons) when submerged. Her engines enabled her to travel at 13 knots (24 km/h; 15 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.