A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
UB-148 at sea, a U-boat similar to UB-103.
| |
History | |
---|---|
German Empire | |
Name | UB-103 |
Ordered | 6 / 8 February 1917[2] |
Builder | Blohm & Voss, Hamburg |
Cost | 3,714,000 German Papiermark |
Yard number | 309 |
Launched | 7 July 1917[1] |
Commissioned | 18 December 1917[1] |
Fate | Sunk 14 August 1918 at 50°52′N 1°27′E / 50.867°N 1.450°E[1] |
General characteristics [1] | |
Class and type | German Type UB III submarine |
Displacement |
|
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 |
|
Speed |
|
Range |
|
Test depth | 50 m (160 ft) |
Complement | 3 officers, 31 men |
Armament |
|
Service record | |
Part of: |
|
Commanders: |
|
Operations: | 6 patrols |
Victories: |
15 merchant ships sunk (25,999 GRT) |
SM UB-103 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 on 18 December 1917 as SM UB-103.[Note 1]
UB-103 was sunk in the English Channel by British warships and SSZ 1, a SSZ class blimp.[1] All hands were lost.[4]
Construction
She was built by Blohm & Voss of Hamburg and, after just under a year of construction, launched at Hamburg on 7 July 1917. UB-103 was commissioned later the same year, under the command of KptLt Paul Hundius. Like all Type UB III submarines, UB-103 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-103 had a crew of up to three officers and 31 men, and its cruising range was 7,420 nautical miles (13,740 km; 8,540 mi). UB-103 had a displacement of 510 t (500 long tons) while surfaced and 629 t (619 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.
Summary of raiding history
Date | Name | Nationality | Tonnage[Note 2] | Fate[5] |
---|---|---|---|---|
20 March 1918 | Eros | Sweden | 858 | Sunk |
21 March 1918 | Tyrhaug | United Kingdom | 1,483 | Sunk |
24 March 1918 | Anteros | United Kingdom | 4,241 | Sunk |
22 April 1918 | Eric Calvert | United Kingdom | 1,862 | Sunk |
28 April 1918 | Elba | United Kingdom | 1,081 | Sunk |
2 May 1918 | Thorsa | United Kingdom | 1,319 | Sunk |
3 May 1918 | Vasilefs Georgios | Greece | 3,651 | Sunk |
10 June 1918 | Borg | United Kingdom | 2,111 | Sunk |
11 June 1918 | Lorle | United Kingdom | 2,686 | Sunk |
12 June 1918 | Kul | United Kingdom | 1,095 | Sunk |
11 July 1918 | Kong Guttorm | Norway | 731 | Sunk |
15 July 1918 | Cap Breton | France | 1,464 | Sunk |
15 July 1918 | Vendee | France | 892 | Sunk |
16 July 1918 | Lyndiane | France | 1,564 | Sunk |
21 July 1918 | Arvor | France | 961 | 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
- ^ a b c d e Gröner 1991, pp. 25–30.
- ^ Rössler 1979, p. 66.
- ^ Helgason, Guðmundur. "WWI U-boat commanders: Paul Hundius (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.
- ^ "WWI U-boats UB 103". uboat.net. Guðmundur Helgason. Retrieved 16 June 2021.
- ^ Helgason, Guðmundur. "Ships hit by UB 103". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 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). 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.
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