SM UB-75
 UB-148 at sea, a U-boat similar to UB-75. | |
| History | |
|---|---|
 German Empire | |
| Name | UB-75 |
| Ordered | 23 September 1916[1] |
| Builder | Blohm & Voss, Hamburg |
| Cost | 3,338,000 German Papiermark |
| Yard number | 304 |
| Launched | 5 May 1917[2] |
| Commissioned | 11 September 1917[2] |
| Fate | Struck mine 10 December 1917 at 54°5′N 0°10′E / 54.083°N 0.167°E, all hands lost.[2] |
| General characteristics [2] | |
| Class and type | Type UB III submarine |
| Displacement | |
| Length | 55.30 m (181 ft 5 in) (o/a) |
| Beam | 5.80 m (19 ft) |
| Draught | 3.68 m (12 ft 1 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[2] |
| Armament |
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| Service record | |
| Part of: |
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| Commanders: |
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| Operations: | 2 patrols |
| Victories: | |
SM UB-75 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 September 1917 as SM UB-75.[Note 1]
UB-75 was serving in the Flanders Flotillas. On 10 December 1917 she was lost with all hands after hitting a mine.[2]
Construction
She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 5 May 1917. UB-75 was commissioned later that same year . Like all Type UB III submarines, UB-75 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-75 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,680 nautical miles (16,080 km; 9,990 mi). UB-75 had a displacement of 516 t (508 long tons) while surfaced and 648 t (638 long tons) when submerged. Her engines enabled her to travel at 13.6 knots (25.2 km/h; 15.7 mph) when surfaced and 7.8 knots (14.4 km/h; 9.0 mph) when submerged.
Summary of raiding history
| Date | Name | Nationality | Tonnage[Note 2] | Fate[4] |
|---|---|---|---|---|
| 4 November 1917 | Lucida |  United Kingdom
|
1,477 | Damaged |
| 9 November 1917 | Frithjof Eide |  Norway
|
1,207 | Sunk |
| 5 December 1917 | Aigburth |  United Kingdom
|
824 | Sunk |
| 6 December 1917 | Leda |  Netherlands
|
1,140 | Sunk |
| 7 December 1917 | Highgate | United Kingdom
|
1,780 | Sunk |
| 8 December 1917 | Lampada | United Kingdom
|
2,230 | Sunk |
| 9 December 1917 | Venetia | United Kingdom
|
3,596 | 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. 65.
- ^ a b c d e f Gröner 1991, pp. 25–30.
- ^ Helgason, Guðmundur. "WWI U-boat commanders: Franz Walther". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
- ^ Helgason, Guðmundur. "Ships hit by UB 75". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 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). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 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.
External links
- 'UB-41 and UB-75, off Robin Hood's Bay: Marine Geophysical Survey report'
- England project to research First World War Submarine wrecks[permanent dead link]
Shipwrecks and maritime incidents in December 1917 | |
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| Shipwrecks |
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| Other incidents |
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