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SMUB-106

For other ships with the same name, see German submarine U-106.

UB-148 at sea, a U-boat similar to UB-106.
History
German Empire
Name	UB-106
Ordered	6 / 8 February 1917[2]
Builder	Blohm & Voss, Hamburg
Cost	3,714,000 German Papiermark
Yard number	312
Launched	21 July 1917[1]
Commissioned	7 February 1918[1]
Fate	Sunk 15 March 1918, later raised; surrendered 26 November 1918; used for explosive trials and dumped on beach 1921; sold for scrap 1921
General characteristics [1]
Class and type	Type UB III submarine
Displacement	519 t (511 long tons) surfaced 649 t (639 long tons) submerged
Length	55.30 m (181 ft 5 in) (o/a)
Beam	5.80 m (19 ft)
Draught	3.70 m (12 ft 2 in)
Propulsion	2 × propeller shaft 2 × MAN-Vulcan four-stroke 6-cylinder diesel engines, 1,085 bhp (809 kW) 2 × Siemens-Schuckert electric motors, 780 shp (580 kW)
Speed	13.3 knots (24.6 km/h; 15.3 mph) surfaced 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range	7,420 nmi (13,740 km; 8,540 mi) at 6 knots (11 km/h; 6.9 mph) surfaced 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	3 officers, 31 men[1]
Armament	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) 10torpedoes 1 × 8.8 cm (3.46 in) deck gun
Service record
Commanders:	Oblt.z.S. Hugo Thielmann[3] 7 February – 18 March 1918 Oblt.z.S. Max Schmidt[4] 19 March – 11 November 1918
Operations:	No patrols
Victories:	None

SMUB-106 was a German Type UB III submarineorU-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 7 February 1918 as SM UB-104.^{[Note 1]}

UB-106 was lost in an accident on 15 March 1918, but was later raised and recommissioned.^[1] She was surrendered to the Allies at Harwich on 26 November 1918. After passing into British hands, UB-97 was towed to Falmouth along with five other U-boats ^{[Note 2]} for use in a series of explosive test trials by the Royal Navy in Falmouth Bay, in order to find weaknesses in their design. Following her use during 13/17 January 1921, UB-106 was dumped on Castle Beach and sold to R. Roskelly & Rodgers on 19 April 1921 for scrap (for £125), and partially salvaged over the following decades, although parts remain in situ.^[5]

Construction[edit]

She was built by Blohm & VossofHamburg and following just under a year of construction, launched at Hamburg on 21 July 1917. UB-106 was commissioned early the next year under the command of Oblt.z.S. Hugo Thielmann. Like all Type UB III submarines, UB-106 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-106 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,420 nautical miles (13,740 km; 8,540 mi). UB-106 had a displacement of 519 t (511 long tons) while surfaced and 649 t (639 long tons) when submerged. Her engines enabled her to travel at 13.3 knots (24.6 km/h; 15.3 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.

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50°8′44.43″N 5°3′0.57″W / 50.1456750°N 5.0501583°W / 50.1456750; -5.0501583