SM UB-63

For other ships of the same name, see German submarine U-63.
UB-148 at sea, a U-boat similar to UB-63.
Career (German Empire)
Name: UB-63
Ordered: 20 May 1916[1]
Builder: AG Vulcan, Hamburg[2]
Cost: 3,279,000 German Papiermark[2]
Yard number: 88[2]
Launched: 26 May 1917[3]
Commissioned: 23 July 1917[3]
Fate: sunk 21 January 1918 by British warships at 56°10′N 2°0′E / 56.167°N 2.000°ECoordinates: 56°10′N 2°0′E / 56.167°N 2.000°E[3]
General characteristics
Class and type:German Type UB III submarine
Type:Coastal submarine
Displacement:508 t (500 long tons; 560 short tons) surfaced
639 t (629 long tons; 704 short tons) submerged[2]
Length:55.52 m (182.2 ft) o/a[2]
Beam:5.76 m (18.9 ft)[2]
Draught:3.70 m (12.1 ft)[2]
Propulsion:2 shafts
6-cylinder MAN diesel engines,[3] 1,100 ihp (820 kW)
Siemens-Schuckert[3] electric motors, 788 ihp (588 kW)[2]
Speed:13.3 knots (24.6 km/h; 15.3 mph) surfaced
7.8 knots (14.4 km/h; 9.0 mph) submerged[2]
Range:8,420 nmi (15,590 km; 9,690 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: Imperial German Navy:
II Flotilla
4 Sep 1917 - 30 Sep 1917
V Flotilla
30 Sep 1917 - 14 Jan 1918
Commanders: Kptlt Rudolf Gebeschus[4]
23 Jul 1917 - 14 Jan 1918
Operations: 3 patrols
Victories: 2 merchant ships sunk (4,481 gross register tons (GRT))
1 merchant ship damaged (1,113 gross register tons (GRT))
1 merchant ship captured as a prize (3,290 gross register tons (GRT))

SM UB-63 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 23 July 1917 as SM UB-63.[nb 1]

UB-63 was sunk on 28 January 1918 by British warships HMS W.S. Bailey and HMS Fort George at 56°10′N 2°0′E / 56.167°N 2.000°E with depth charges. All 33 crew members perished in the attack.[3]

Construction

UB-63 was ordered by the GIN on 20 May 1916.

She was built by AG Vulcan of Hamburg[2] and following just under a year of construction, launched at Hamburg on 26 May 1917. UB-63 was commissioned later that same year . Like all Type UB III submarines, UB-63 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-63 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,420 nautical miles (15,590 km).[2] UB-63 had a displacement of 508 t (500 long tons; 560 short tons) while surfaced and 639 t (629 long tons; 704 short tons) when submerged. Her engines enabled her to travel at 13.3 knots (24.6 km/h; 15.3 mph) when surfaced and 8 knots (15 km/h; 9.2 mph) when submerged.[2]

Summary of Raiding Career

Date Name Nationality Tonnage
(GRT)
Fate[5]
15 September 1917 Santaren  United Kingdom 4,256 Sunk
3 November 1917 Haelen  Belgium 3,290 Captured as a prize
8 November 1917 Lindhardt  Denmark 225 Sunk
15 November 1917 Stargard  Norway 1,113 Damaged

Notes

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. 60.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 Gröner 1985, p. 52.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Gröner 1985, p. 53.
  4. "Rudolf Gebeschus". uboat.net. Retrieved 4 February 2015.
  5. "SM UB-63 successes". UBoat.net. Retrieved 4 February 2015.


References