 UB-148 at sea, a U-boat similar to UB-129.
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| History | |
|---|---|
 German Empire | |
| Name | UB-129 |
| Ordered | 6 / 8 February 1917 |
| Builder | AG Weser, Bremen |
| Cost | 3,654,000 German Papiermark |
| Yard number | 302 |
| Laid down | 21 August 1917 |
| Launched | 10 April 1918 |
| Commissioned | 11 May 1918 |
| Fate | Lost in the surrender of Austria-Hungary, 30 October 1918 |
| General characteristics | |
| 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 | 3.72 m (12 ft 2 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 |
| Armament |
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| Service record | |
| Part of: |
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| Commanders: |
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| Operations: | 1 patrol |
| Victories: |
2 merchant ships sunk (5,098 GRT) |
SM UB-129 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 11 June 1918 as SM UB-129.
UB-129 was lost 31 October 1918 in Fiume (45°19′N 14°26′E / 45.317°N 14.433°E / 45.317; 14.433) after the surrender of Austria-Hungary.
Construction
Main article: Type UB III submarineShe was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 11 May 1918. UB-129 was commissioned later the same year under the command of Kptlt. Karl Neumann. Like all Type UB III submarines, UB-129 carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun. UB-129 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). UB-129 had a displacement of 512 t (504 long tons) while surfaced and 643 t (633 long tons) when submerged. Her engines enabled her to travel at 13.9 knots (25.7 km/h; 16.0 mph) when surfaced and 7.6 knots (14.1 km/h; 8.7 mph) when submerged.
Summary of raiding history
| Date | Name | Nationality | Tonnage | Fate |
|---|---|---|---|---|
| 16 September 1918 | Buenaventura |  United States
|
4,881 | Sunk |
| 22 September 1918 | Erik |  Denmark
|
217 | Sunk |
References
Notes
- "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
- Tonnages are in gross register tons
Citations
- Rössler 1979, p. 55.
- Helgason, Guðmundur. "WWI U-boats: UB 129". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 13 February 2009.
- ^ Gröner 1991, pp. 25–30.
- Helgason, Guðmundur. "WWI U-boat commanders: Karl Neumann (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 11 March 2015.
- Helgason, Guðmundur. "Ships hit by UB 129". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 11 March 2015.
Bibliography
- Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914–1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
- Gröner, Erich; Jung, Dieter; Maass, Martin (1991). German Warships 1815–1945, U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
- Rössler, Eberhard (1979). Die deutschen U-Boote und ihre Werften: eine Bilddokumentation über den deutschen U-Bootbau; in zwei Bänden (in German). Vol. I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.
| Shipwrecks and maritime incidents in October 1918 | |
|---|---|
| Shipwrecks |
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| Other incidents |
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1917  1918  1919 September 1918 November 1918 | |
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