SM UB-57

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For other ships of the same name, see German submarine U-57.
UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-57.
Career (German Empire)
Name: UB-57
Ordered: 20 May 1916[1]
Builder: AG Weser, Bremen[2]
Cost: 3,276,000 German Papiermark[2]
Yard number: 269[2]
Launched: 21 June 1917[3]
Commissioned: 30 July 1917[3]
Fate: sunk 14 August 1918 at 51°56′N 02°02′E / 51.933°N 2.033°E / 51.933; 2.033Coordinates: 51°56′N 02°02′E / 51.933°N 2.033°E / 51.933; 2.033 by a mine, 34 dead[3]
General characteristics
Class & type: German Type UB III submarine
Type: Coastal submarine
Displacement: 516 t (508 long tons; 569 short tons) surfaced
646 t (636 long tons; 712 short tons) submerged[2]
Length: 55.85 m (183.2 ft) o/a[2]
Beam: 5.8 m (19 ft)[2]
Draught: 3.72 m (12.2 ft)[2]
Propulsion: 2 shafts
6-cylinder Körting diesel engines,[3] 1,060 ihp (790 kW)
Siemens-Schuckert[3] electric motors, 788 ihp (588 kW)[2]
Speed: 13.4 knots (24.8 km/h; 15.4 mph) surfaced
7.8 knots (14.4 km/h; 9.0 mph) submerged[2]
Range: 9,020 nmi (16,710 km; 10,380 mi) at 6 kn (11 km/h; 6.9 mph) surfaced
55 nmi (102 km; 63 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged[2]
Test depth: 50 m (160 ft)[3]
Complement: 3 officers, 31 men[3]
Armament: • 5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) with 10 torpedoes
• 1 × 8.8 cm (3.46 in) deck gun[3]
Service record
Part of:
Commanders:

SM UB-57 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 Flanders Flotilla of the German Imperial Navy on 30 July 1917 as SM UB-57.[nb 1]

She operated as part of the Flanders Flotilla based in Zeebrugge. UB-57 was sunk at 23:00 on 14 August 1918 at 51°56′N 02°02′E / 51.933°N 2.033°E / 51.933; 2.033 after striking a mine, 34 crew members lost their lives in the event.[3]

Construction[edit]

She was built by AG Weser, Bremen[2] and following just under a year of construction, launched at Bremen on 21 June 1917. UB-57 was commissioned later that same year . Like all Type UB III submarines, UB-57 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-57 would carry a crew of up to 3 officer and 31 men and had a cruising range of 9,020 nautical miles (16,710 km).[2] UB-57 had a displacement of 516 t (508 long tons; 569 short tons) while surfaced and 646 t (636 long tons; 712 short tons) when submerged. Her engines enabled her to travel at 13.4 knots (24.8 km/h; 15.4 mph) when surfaced and 7.8 knots (14.4 km/h; 9.0 mph) when submerged.[2]


Notes[edit]

Footnotes
  1. ^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
Citations
  1. ^ Rössler 1979, p. 55.
  2. ^ a b c d e f g h i j k l m n Gröner 1985, p. 52.
  3. ^ a b c d e f g h i Gröner 1985, p. 53.


References[edit]