SM UB-51 explained

SM UB-51 was a German Type UB III submarine or U-boat in the German Imperial Navy (de|Kaiserliche Marine) during World War I. She was commissioned into the Pola Flotilla of the German Imperial Navy on 26 July 1917 as SM UB-51. She operated as part of the Pola Flotilla based in Cattaro. UB-51 was surrendered 16 January 1919 with the remainder of the Pola Flotilla following orders by Admiral Reinhard Scheer to return to port. UB-51 was later broken up at Swansea.

Construction

See main article: Type UB III submarine. UB-51 was ordered by the GIN on 20 May 1916. She was built by Blohm & Voss, Hamburg and following just under a year of construction, launched at Hamburg on 8 March 1917. UB-51 was commissioned later that same year under the command of Kptlt. Ernst Krafft. Like all Type UB III submarines, UB-51 carried 10 torpedoes and was armed with a 8.82NaN2 deck gun. UB-51 would carry a crew of up to 3 officer and 31 men and had a cruising range of 9040nmi. UB-51 had a displacement of 516lk=inNaNlk=in while surfaced and 651t when submerged. Her engines enabled her to travel at 13.6kn when surfaced and when submerged.

Summary of raiding history

Date	Name	Nationality	Tonnage[1]	Fate[2]
30 September 1917	Amiral Troude	France	1,876	Sunk
5 October 1917	Forestmoor	United Kingdom	2,844	Sunk
12 October 1917		Norway	7,403	Sunk
17 November 1917	Clan Maccorquodale	United Kingdom	6,517	Sunk
27 November 1917	Tungue	Portugal	8,021	Sunk
8 February 1918	Cimbrier	United Kingdom	3,905	Damaged
10 May 1918	Szechuen	United Kingdom	1,862	Sunk
16 May 1918	Mansoura	France	50	Sunk
18 May 1918	Mabrouka	France	25	Sunk
18 May 1918	Tewfig El Bari	France	100	Sunk
18 May 1918	Maria	France	60	Sunk
18 May 1918	Menewar	France	270	Sunk
18 May 1918	Mabrouka	France	25	Sunk
27 May 1918	Leasowe Castle	United Kingdom	9,737	Sunk
29 May 1918	Missir	United Kingdom	786	Sunk
11 July 1918	Bacchus	France	2,045	Sunk
20 July 1918	Kosseir	United Kingdom	1,855	Sunk
22 July 1918	HMT Ijuin		257	Sunk
22 July 1918	L 1	United Kingdom	130	Sunk
28 July 1918	Hyperia	United Kingdom	3,908	Sunk

References

Citations

Bibliography

• Book: Bendert, Harald . Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal . . Verlag E.S. Mittler & Sohn GmbH. 2000 . 3-8132-0713-7 . German.
• Book: Gröner. Erich. Jung. Dieter. Maass. Martin. Thomas. Keith. Magowan. Rachel. 1991. U-boats and Mine Warfare Vessels. 2. German Warships 1815–1945. London. Conway Maritime Press. 0-85177-593-4. CITEREFGröner1991.
• Book: Rössler . Eberhard . Die deutschen U-Boote und ihre Werften: eine Bilddokumentation über den deutschen U-Bootbau; in zwei Bänden . 1979 . . . I. 3-7637-5213-7. de.

Notes and References

1. Tonnages are in gross register tons
2. ub51. UB-51. 1boat. 3 December 2014.