 UB-148 at sea, a U-boat similar to UB-143. | |
| History | |
|---|---|
 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 | Type UB III submarine |
| Displacement | |
| 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 |
|
| Speed |
|
| Range |
|
| Test depth | 50 m (160 ft) |
| Complement | 3 officers, 31 men[1] |
| Armament |
|
| Service record | |
| Commanders: |
|
| Operations: | No patrols |
| Victories: | None |
SMUB-143 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 3 October 1918 as SM UB-143.[Note 1]
She was surrendered to Japan on 1 December 1918 and served in the Imperial Japanese NavyasO-7 until 1921, when she was broken upinYokohama.[1]
Built by AG WeserofBremen 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.
