SM UB-143 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 3 October 1918 as SM UB-143.[Note 1]
UB-148 at sea, a U-boat similar to UB-143.
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History | |
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German Empire | |
Name | UB-143 |
Ordered | 27 June 1917[2] |
Builder | AG Weser, Bremen |
Cost | 4,301,000 German Papiermark |
Yard number | 309 |
Laid down | 27 Oct 1917[3] |
Launched | 21 August 1918[1] |
Commissioned | 3 October 1918[1] |
Fate | Surrendered to Japan 1 December 1918[1] |
Japan | |
Name | O-7[1] |
Commissioned | 1 December 1918[1] |
Fate | Broken up in Yokohama in 1921[1] |
General characteristics [1] | |
Class and type | German Type UB III submarine |
Displacement |
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Length | 55.85 m (183 ft 3 in) (o/a) |
Beam | 5.80 m (19 ft) |
Draught | 3.75 m (12 ft 4 in) |
Propulsion |
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Speed |
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Range |
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Test depth | 50 m (160 ft) |
Complement | 3 officers, 31 men[1] |
Armament |
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Service record | |
Commanders: |
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Operations: | No patrols |
Victories: | None |
She was surrendered to Japan on 1 December 1918 and served in the Imperial Japanese Navy as O-7 until 1921, when she was broken up in Yokohama.[1]
Built by AG Weser of Bremen in one year of construction, UB-143 was launched at Bremen on 21 August 1918, carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun. UB-143 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,280 nautical miles (13,480 km; 8,380 mi). Displacement was 523 t (515 long tons) while surfaced and 653 t (643 long tons) when submerged. Her engines enabled her to travel at 13.5 knots (25.0 km/h; 15.5 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.